[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Apr 28 18:02:44 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 29 Apr, 2017

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

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

BGP routing table entries examined:                              646390
    Prefixes after maximum aggregation (per Origin AS):          251692
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      311592
Total ASes present in the Internet Routing Table:                 57001
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           49321
Origin ASes announcing only one prefix:                           21825
Transit ASes present in the Internet Routing Table:                7680
Transit-only ASes present in the Internet Routing Table:            222
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                74
    Numnber of instances of unregistered ASNs:                       78
Number of 32-bit ASNs allocated by the RIRs:                      18344
Number of 32-bit ASNs visible in the Routing Table:               14244
Prefixes from 32-bit ASNs in the Routing Table:                   57829
Number of bogon 32-bit ASNs visible in the Routing Table:            45
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            407
Number of addresses announced to Internet:                   2843747684
    Equivalent to 169 /8s, 128 /16s and 37 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.6
Total number of prefixes smaller than registry allocations:      216443

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

Prefixes being announced by APNIC Region ASes:                   176775
    Total APNIC prefixes after maximum aggregation:               50902
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          175973
    Unique aggregates announced from the APNIC address blocks:    72665
APNIC Region origin ASes present in the Internet Routing Table:    8043
    APNIC Prefixes per ASN:                                       21.88
APNIC Region origin ASes announcing only one prefix:               2234
APNIC Region transit ASes present in the Internet Routing Table:   1131
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2872
Number of APNIC addresses announced to Internet:              763129956
    Equivalent to 45 /8s, 124 /16s and 112 /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:                    197199
    Total ARIN prefixes after maximum aggregation:                94115
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           199330
    Unique aggregates announced from the ARIN address blocks:     91347
ARIN Region origin ASes present in the Internet Routing Table:    17884
    ARIN Prefixes per ASN:                                        11.15
ARIN Region origin ASes announcing only one prefix:                6629
ARIN Region transit ASes present in the Internet Routing Table:    1777
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:    1934
Number of ARIN addresses announced to Internet:              1108813216
    Equivalent to 66 /8s, 23 /16s and 37 /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:                    174650
    Total RIPE prefixes after maximum aggregation:                84962
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           170192
    Unique aggregates announced from the RIPE address blocks:    101899
RIPE Region origin ASes present in the Internet Routing Table:    23955
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11054
RIPE Region transit ASes present in the Internet Routing Table:    3394
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5776
Number of RIPE addresses announced to Internet:               711734144
    Equivalent to 42 /8s, 108 /16s and 51 /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:                   80565
    Total LACNIC prefixes after maximum aggregation:              17881
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          81773
    Unique aggregates announced from the LACNIC address blocks:   38374
LACNIC Region origin ASes present in the Internet Routing Table:   5834
    LACNIC Prefixes per ASN:                                      14.02
LACNIC Region origin ASes announcing only one prefix:              1589
LACNIC Region transit ASes present in the Internet Routing Table:  1080
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3350
Number of LACNIC addresses announced to Internet:             170401248
    Equivalent to 10 /8s, 40 /16s and 29 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  17093
    Total AfriNIC prefixes after maximum aggregation:              3769
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         18715
    Unique aggregates announced from the AfriNIC address blocks:   6955
AfriNIC Region origin ASes present in the Internet Routing Table:  1035
    AfriNIC Prefixes per ASN:                                     18.08
AfriNIC Region origin ASes announcing only one prefix:              319
AfriNIC Region transit ASes present in the Internet Routing Table:  207
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  312
Number of AfriNIC addresses announced to Internet:             89192448
    Equivalent to 5 /8s, 80 /16s and 248 /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         5569       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3781        392     270  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2931        901      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2762      11150     758  KIXS-AS-KR Korea Telecom, KR
  9829         2731       1498     548  BSNL-NIB National Internet Backbone, IN
  9808         2210       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2075        421     221  TATACOMM-AS TATA Communications formerl
 45899         1985       1388     110  VNPT-AS-VN VNPT Corp, VN
  7552         1576       1101      55  VIETEL-AS-AP Viettel Corporation, VN
  9583         1573        121     541  SIFY-AS-IN Sify Limited, IN

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         4008       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3364       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2184        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2069       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1998       2139     409  CHARTER-NET-HKY-NC - Charter Communicat
   209         1794       5067     635  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1771       3420     571  AMAZON-02 - Amazon.com, Inc., US
 30036         1747        322     341  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1691        854     230  ITCDELTA - Earthlink, Inc., US
   701         1568      10579     640  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         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3240        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2892       1014    2071  AKAMAI-ASN1, US
  9121         2660       1691      17  TTNET, TR
 34984         2011        328     386  TELLCOM-AS, TR
 13188         1602         99      56  TRIOLAN, UA
 12479         1562       1044      52  UNI2-AS, ES
 12389         1479       1357     612  ROSTELECOM-AS, RU
  9198         1323        352      25  KAZTELECOM-AS, KZ
  6849         1226        355      21  UKRTELNET, UA

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         3535        544     172  Telmex Colombia S.A., CO
  8151         2520       3396     564  Uninet S.A. de C.V., MX
 11830         1819        369      57  Instituto Costarricense de Electricidad
  7303         1557       1005     247  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1266        377      27  Telefonica del Peru S.A.A., PE
 28573         1081       2286     179  CLARO S.A., BR
  3816         1017        494     187  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          956        232      91  Techtel LMDS Comunicaciones Interactiva
 11172          929        126      80  Alestra, S. de R.L. de C.V., MX

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         1271        398      44  LINKdotNET-AS, EG
 36903          715        359     128  MT-MPLS, MA
 37611          704         67       7  Afrihost, ZA
 36992          625       1375      26  ETISALAT-MISR, EG
 24835          498        722      14  RAYA-AS, EG
  8452          412       1730      17  TE-AS TE-AS, EG
 37492          408        319      74  ORANGE-, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          346         35       7  WANANCHI-, KE
  2018          287        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         5569       4190      74  ERX-CERNET-BKB China Education and Rese
 22773         4008       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3781        392     270  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3535        544     172  Telmex Colombia S.A., CO
  6327         3364       1333      80  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3240        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2931        901      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2892       1014    2071  AKAMAI-ASN1, US
  4766         2762      11150     758  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       4008         3856   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3781         3511   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3535         3363   Telmex Colombia S.A., CO
 39891       3338         3316   ALJAWWALSTC-AS, SA
  6327       3364         3284   SHAW - Shaw Communications Inc., CA
  8551       3240         3199   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2931         2853   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2660         2643   TTNET, TR
  9829       2731         2183   BSNL-NIB National Internet Backbone, IN
  9808       2210         2177   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
 205948   UNALLOCATED  5.1.77.0/24          34549       MEER-AS meerfarbig GmbH & Co. 
  65500   PRIVATE      5.140.202.0/24       31094       TTKNET Tyumen, Russia, RU
  65500   PRIVATE      5.140.203.0/24       31094       TTKNET Tyumen, Russia, RU
  65500   PRIVATE      5.141.238.0/24       31094       TTKNET Tyumen, Russia, RU
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st

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

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

Network            Origin AS  Description
23.161.128.0/17     393899    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.141.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.142.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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      /11:103     /12:280     
/13:545     /14:1042    /15:1838    /16:13455   /17:7600    /18:13417   
/19:24699   /20:38377   /21:41346   /22:76410   /23:63518   /24:361488  
/25:841     /26:618     /27:631     /28:41      /29:24      /30:25      
/31:1       /32:27      

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

   ASN   No of nets  Total ann.  Description
 22773     3163          4008    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327     3158          3364    SHAW - Shaw Communications Inc., CA
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2702          3240    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2077          2184    MEGAPATH5-US - MegaPath Corporation, US
  9121     1907          2660    TTNET, TR
 30036     1550          1747    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1463          3535    Telmex Colombia S.A., CO
  6389     1375          2069    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1344          1602    TRIOLAN, UA

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

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

   1:1606      2:820       4:26        5:2430      6:34        8:1071   
  12:1833     13:114      14:1786     15:26       16:2        17:120    
  18:120      19:1        20:56       23:2229     24:1874     25:2      
  27:2394     31:1899     32:89       33:6        35:20       36:395    
  37:2577     38:1354     39:44       40:98       41:3064     42:464    
  43:1916     44:71       45:2553     46:2753     47:119      49:1183   
  50:975      51:18       52:805      54:359      55:6        56:4      
  57:41       58:1586     59:1036     60:386      61:1907     62:1541   
  63:1922     64:4592     65:2213     66:4567     67:2258     68:1232   
  69:3334     70:1318     71:568      72:2194     74:2654     75:392    
  76:428      77:1444     78:1662     79:2070     80:1378     81:1415   
  82:995      83:758      84:875      85:1804     86:484      87:1156   
  88:836      89:2075     90:169      91:6158     92:1008     93:2357   
  94:2325     95:2862     96:594      97:359      98:1001     99:89     
 100:156     101:1261    103:14502   104:2845    105:180     106:498    
 107:1616    108:811     109:3413    110:1332    111:1741    112:1172   
 113:1219    114:1036    115:1784    116:1782    117:1710    118:2152   
 119:1584    120:1000    121:1101    122:2235    123:1803    124:1538   
 125:1879    128:737     129:625     130:437     131:1377    132:515    
 133:190     134:620     135:220     136:515     137:431     138:1924   
 139:455     140:372     141:562     142:737     143:955     144:778    
 145:169     146:1039    147:660     148:1383    149:565     150:715    
 151:957     152:759     153:297     154:795     155:745     156:580    
 157:622     158:449     159:1462    160:578     161:751     162:2484   
 163:524     164:790     165:1215    166:385     167:1237    168:2620   
 169:775     170:3130    171:299     172:979     173:1852    174:825    
 175:734     176:1833    177:4028    178:2456    179:1136    180:2169   
 181:1844    182:2319    183:983     184:847     185:9506    186:3191   
 187:2203    188:2640    189:1785    190:8117    191:1307    192:9388   
 193:5788    194:4650    195:3851    196:2064    197:1264    198:5513   
 199:5873    200:7272    201:4066    202:10349   203:9862    204:4475   
 205:2810    206:3008    207:3127    208:4020    209:3983    210:3968   
 211:2130    212:2794    213:2494    214:873     215:65      216:5895   
 217:2075    218:833     219:605     220:1652    221:909     222:760    
 223:1174   

End of report


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