[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 8 18:02:36 UTC 2017


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 09 Sep, 2017

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              662997
    Prefixes after maximum aggregation (per Origin AS):          257792
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      320036
Total ASes present in the Internet Routing Table:                 58342
    Prefixes per ASN:                                             11.36
Origin-only ASes present in the Internet Routing Table:           50442
Origin ASes announcing only one prefix:                           22239
Transit ASes present in the Internet Routing Table:                7900
Transit-only ASes present in the Internet Routing Table:            228
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                60
    Number of instances of unregistered ASNs:                        63
Number of 32-bit ASNs allocated by the RIRs:                      19920
Number of 32-bit ASNs visible in the Routing Table:               15706
Prefixes from 32-bit ASNs in the Routing Table:                   64185
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            354
Number of addresses announced to Internet:                   2854371936
    Equivalent to 170 /8s, 34 /16s and 66 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219492

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   182793
    Total APNIC prefixes after maximum aggregation:               52381
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          181746
    Unique aggregates announced from the APNIC address blocks:    75097
APNIC Region origin ASes present in the Internet Routing Table:    8337
    APNIC Prefixes per ASN:                                       21.80
APNIC Region origin ASes announcing only one prefix:               2308
APNIC Region transit ASes present in the Internet Routing Table:   1190
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3175
Number of APNIC addresses announced to Internet:              765835488
    Equivalent to 45 /8s, 165 /16s and 184 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    201058
    Total ARIN prefixes after maximum aggregation:                95867
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           202840
    Unique aggregates announced from the ARIN address blocks:     93729
ARIN Region origin ASes present in the Internet Routing Table:    17966
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                6634
ARIN Region transit ASes present in the Internet Routing Table:    1771
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2175
Number of ARIN addresses announced to Internet:              1110263072
    Equivalent to 66 /8s, 45 /16s and 69 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    176808
    Total RIPE prefixes after maximum aggregation:                86676
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           172692
    Unique aggregates announced from the RIPE address blocks:    104276
RIPE Region origin ASes present in the Internet Routing Table:    24360
    RIPE Prefixes per ASN:                                         7.09
RIPE Region origin ASes announcing only one prefix:               11189
RIPE Region transit ASes present in the Internet Routing Table:    3447
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6153
Number of RIPE addresses announced to Internet:               713023360
    Equivalent to 42 /8s, 127 /16s and 223 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   84911
    Total LACNIC prefixes after maximum aggregation:              18956
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          86164
    Unique aggregates announced from the LACNIC address blocks:   39587
LACNIC Region origin ASes present in the Internet Routing Table:   6348
    LACNIC Prefixes per ASN:                                      13.57
LACNIC Region origin ASes announcing only one prefix:              1762
LACNIC Region transit ASes present in the Internet Routing Table:  1173
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3860
Number of LACNIC addresses announced to Internet:             171057888
    Equivalent to 10 /8s, 50 /16s and 34 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  17365
    Total AfriNIC prefixes after maximum aggregation:              3859
    AfriNIC Deaggregation factor:                                  4.50
Prefixes being announced from the AfriNIC address blocks:         19201
    Unique aggregates announced from the AfriNIC address blocks:   7060
AfriNIC Region origin ASes present in the Internet Routing Table:  1074
    AfriNIC Prefixes per ASN:                                     17.88
AfriNIC Region origin ASes announcing only one prefix:              345
AfriNIC Region transit ASes present in the Internet Routing Table:  210
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  343
Number of AfriNIC addresses announced to Internet:             93713664
    Equivalent to 5 /8s, 149 /16s and 245 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5417       4194      88  ERX-CERNET-BKB China Education and Rese
  7545         3834        406     382  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2962        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2838      11126     751  KIXS-AS-KR Korea Telecom, KR
  9829         2759       1499     541  BSNL-NIB National Internet Backbone, IN
  9394         2418       5027      46  CTTNET China TieTong Telecommunications
  9808         2363       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2163       1468     115  VNPT-AS-VN VNPT Corp, VN
  4755         2102        422     221  TATACOMM-AS TATA Communications formerl
  7552         1669       1105      69  VIETEL-AS-AP Viettel Corporation, VN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 22773         3644       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3444       1341      87  SHAW - Shaw Communications Inc., CA
 18566         2204        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2032       2237     434  CHARTER-NET-HKY-NC - Charter Communicat
   209         1892       5065     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1830        329     279  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16509         1829       3960     544  AMAZON-02 - Amazon.com, Inc., US
  6983         1685        854     229  ITCDELTA - Earthlink, Inc., US
   701         1673      10557     629  UUNET - MCI Communications Services, In

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2952        936    2115  AKAMAI-ASN1, US
  8551         2478        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2059        333     425  TELLCOM-AS, TR
  9121         1830       1691      17  TTNET, TR
 12389         1706       1629     668  ROSTELECOM-AS, RU
 12479         1682       1052      60  UNI2-AS, ES
 13188         1603        100      52  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1195        544      15  CORBINA-AS OJSC "Vimpelcom", RU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3568        543     209  Telmex Colombia S.A., CO
  8151         2981       3418     578  Uninet S.A. de C.V., MX
 11830         2097        370      65  Instituto Costarricense de Electricidad
  6503         1583        437      53  Axtel, S.A.B. de C.V., MX
  7303         1567       1024     248  Telecom Argentina S.A., AR
  6147         1257        377      27  Telefonica del Peru S.A.A., PE
  3816         1025        504      94  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          962       2284     185  CLARO S.A., BR
 11172          917        126      85  Alestra, S. de R.L. de C.V., MX
 18881          898       1052      23  TELEFÔNICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1194        398      48  LINKdotNET-AS, EG
 37611          763         91       8  Afrihost, ZA
 36903          710        357     131  MT-MPLS, MA
 36992          655       1383      29  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          410        354      77  ORANGE-, TN
 15399          357         35       7  WANANCHI-, KE
  8452          310       1730      17  TE-AS TE-AS, EG
  2018          299        327      74  TENET-1, ZA

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5417       4194      88  ERX-CERNET-BKB China Education and Rese
  7545         3834        406     382  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3644       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3568        543     209  Telmex Colombia S.A., CO
  6327         3444       1341      87  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  8151         2981       3418     578  Uninet S.A. de C.V., MX
 17974         2962        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2952        936    2115  AKAMAI-ASN1, US
  4766         2838      11126     751  KIXS-AS-KR Korea Telecom, KR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 22773       3644         3486   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3834         3452   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
 10620       3568         3359   Telmex Colombia S.A., CO
  6327       3444         3357   SHAW - Shaw Communications Inc., CA
 17974       2962         2889   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2478         2437   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151       2981         2403   Uninet S.A. de C.V., MX
  9394       2418         2372   CTTNET China TieTong Telecommunications Corpora
  9808       2363         2331   CMNET-GD Guangdong Mobile Communication Co.Ltd.

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65346   PRIVATE      94.50.36.0/22        31094       TTKNET Tyumen, Russia, RU

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
23.226.112.0/20      62788    UNKNOWN
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:13      /10:36      /11:104     /12:283     
/13:550     /14:1046    /15:1872    /16:13443   /17:7744    /18:13757   
/19:25219   /20:39220   /21:42490   /22:80052   /23:65206   /24:369524  
/25:846     /26:625     /27:648     /28:37      /29:38      /30:200     
/31:2       /32:27      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3241          3444    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2842          3644    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2088          2204    MEGAPATH5-US - MegaPath Corporation, US
  8551     1943          2478    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1610          1830    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1516          3568    Telmex Colombia S.A., CO
 11830     1487          2097    Instituto Costarricense de Electricidad y Telec
 11492     1419          1597    CABLEONE - CABLE ONE, INC., US
  6389     1356          2045    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1561      2:832       4:18        5:2447      6:31        7:1      
   8:1058     12:1854     13:150      14:1670     15:28       16:2      
  17:168      18:90       20:59       23:2455     24:1942     25:2      
  27:2365     29:1        31:1923     32:90       33:20       35:21     
  36:439      37:2354     38:1384     39:69       40:98       41:2978   
  42:462      43:1956     44:80       45:3037     46:2794     47:165    
  49:1240     50:1002     51:19       52:816      54:366      55:2      
  56:4        57:43       58:1573     59:997      60:312      61:2027   
  62:1711     63:1909     64:4687     65:2206     66:4553     67:2283   
  68:1227     69:3377     70:1170     71:603      72:2138     74:2712   
  75:400      76:423      77:1498     78:1481     79:1891     80:1397   
  81:1392     82:1009     83:726      84:964      85:1831     86:468    
  87:1194     88:780      89:2180     90:171      91:6199     92:1004   
  93:2389     94:2351     95:2674     96:644      97:351      98:997    
  99:98      100:153     101:1443    102:1       103:15737   104:3049   
 105:189     106:563     107:1756    108:825     109:2915    110:1471   
 111:1745    112:1250    113:1342    114:1069    115:1586    116:1645   
 117:1764    118:2160    119:1642    120:730     121:1060    122:2382   
 123:1858    124:1483    125:1786    128:876     129:673     130:432    
 131:1482    132:584     133:194     134:685     135:226     136:402    
 137:489     138:1943    139:514     140:380     141:644     142:734    
 143:891     144:795     145:183     146:1105    147:706     148:1501   
 149:585     150:710     151:983     152:735     153:296     154:881    
 155:755     156:675     157:689     158:481     159:1552    160:760    
 161:748     162:2508    163:509     164:964     165:1453    166:380    
 167:1284    168:3024    169:843     170:3538    171:367     172:1018   
 173:2007    174:782     175:768     176:1885    177:3924    178:2560   
 179:1112    180:2203    181:1999    182:2403    183:768     184:864    
 185:10659   186:3282    187:2143    188:2575    189:1843    190:8332   
 191:1351    192:9620    193:5802    194:4723    195:3934    196:2114   
 197:1329    198:5520    199:5879    200:7592    201:4364    202:10334  
 203:9936    204:4532    205:2845    206:3072    207:3162    208:3962   
 209:4028    210:3951    211:2137    212:2863    213:2533    214:835    
 215:66      216:5885    217:2118    218:911     219:600     220:1677   
 221:919     222:740     223:1207   

End of report


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