[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 20 18:01:48 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 21 Jan, 2017

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

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

BGP routing table entries examined:                              628911
    Prefixes after maximum aggregation (per Origin AS):          221875
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      305028
Total ASes present in the Internet Routing Table:                 55644
    Prefixes per ASN:                                             11.30
Origin-only ASes present in the Internet Routing Table:           36238
Origin ASes announcing only one prefix:                           15200
Transit ASes present in the Internet Routing Table:                6554
Transit-only ASes present in the Internet Routing Table:            175
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                50
    Unregistered ASNs in the Routing Table:                          15
Number of 32-bit ASNs allocated by the RIRs:                      16987
Number of 32-bit ASNs visible in the Routing Table:               12852
Prefixes from 32-bit ASNs in the Routing Table:                   53001
Number of bogon 32-bit ASNs visible in the Routing Table:           791
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            382
Number of addresses announced to Internet:                   2833896452
    Equivalent to 168 /8s, 233 /16s and 212 /24s
    Percentage of available address space announced:               76.5
    Percentage of allocated address space announced:               76.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.4
Total number of prefixes smaller than registry allocations:      208269

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

Prefixes being announced by APNIC Region ASes:                   156592
    Total APNIC prefixes after maximum aggregation:               43096
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          171378
    Unique aggregates announced from the APNIC address blocks:    70992
APNIC Region origin ASes present in the Internet Routing Table:    5182
    APNIC Prefixes per ASN:                                       33.07
APNIC Region origin ASes announcing only one prefix:               1139
APNIC Region transit ASes present in the Internet Routing Table:    940
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2624
Number of APNIC addresses announced to Internet:              762086564
    Equivalent to 45 /8s, 108 /16s and 132 /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:                    188456
    Total ARIN prefixes after maximum aggregation:                89475
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195492
    Unique aggregates announced from the ARIN address blocks:     89769
ARIN Region origin ASes present in the Internet Routing Table:    16064
    ARIN Prefixes per ASN:                                        12.17
ARIN Region origin ASes announcing only one prefix:                5591
ARIN Region transit ASes present in the Internet Routing Table:    1722
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:    1721
Number of ARIN addresses announced to Internet:              1104147360
    Equivalent to 65 /8s, 207 /16s and 243 /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:                    151475
    Total RIPE prefixes after maximum aggregation:                73402
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           162986
    Unique aggregates announced from the RIPE address blocks:     99214
RIPE Region origin ASes present in the Internet Routing Table:    18152
    RIPE Prefixes per ASN:                                         8.98
RIPE Region origin ASes announcing only one prefix:                7757
RIPE Region transit ASes present in the Internet Routing Table:    3040
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:    5110
Number of RIPE addresses announced to Internet:               709772672
    Equivalent to 42 /8s, 78 /16s and 69 /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:                   64000
    Total LACNIC prefixes after maximum aggregation:              12598
    LACNIC Deaggregation factor:                                   5.08
Prefixes being announced from the LACNIC address blocks:          80902
    Unique aggregates announced from the LACNIC address blocks:   37944
LACNIC Region origin ASes present in the Internet Routing Table:   2480
    LACNIC Prefixes per ASN:                                      32.62
LACNIC Region origin ASes announcing only one prefix:               542
LACNIC Region transit ASes present in the Internet Routing Table:   597
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3108
Number of LACNIC addresses announced to Internet:             171100736
    Equivalent to 10 /8s, 50 /16s and 202 /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:                  15336
    Total AfriNIC prefixes after maximum aggregation:              3297
    AfriNIC Deaggregation factor:                                  4.65
Prefixes being announced from the AfriNIC address blocks:         17771
    Unique aggregates announced from the AfriNIC address blocks:   6777
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     24.21
AfriNIC Region origin ASes announcing only one prefix:              171
AfriNIC Region transit ASes present in the Internet Routing Table:  185
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  289
Number of AfriNIC addresses announced to Internet:             86341376
    Equivalent to 5 /8s, 37 /16s and 119 /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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3735        390         254   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2979        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2732      11133         743   KIXS-AS-KR Korea Telecom, KR
 9829     2695       1499         538   BSNL-NIB National Internet Backbone, IN
 9808     2278       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2053        429         219   TATACOMM-AS TATA Communications formerl
45899     1767       1268          95   VNPT-AS-VN VNPT Corp, VN
 4808     1646       1794         455   CHINA169-BJ China Unicom Beijing Provin
24560     1563        561         246   AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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     3616       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3307       1333          83   SHAW - Shaw Communications Inc., CA
18566     2192        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2094       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1960       2027         404   CHARTER-NET-HKY-NC - Charter Communicat
  209     1715       5066         639   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036     1697        319         463   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6983     1679        848         227   ITCDELTA - Earthlink, Inc., US
  701     1600      10629         662   UUNET - MCI Communications Services, In
16509     1580       3046         532   AMAZON-02 - Amazon.com, Inc., US

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     3334        171          18   ALJAWWALSTC-AS , SA
20940     3011       1136        2132   AKAMAI-ASN1 , US
 9121     2207       1707          95   TTNET , TR
34984     1986        327         376   TELLCOM-AS , TR
13188     1604         99          61   TRIOLAN , UA
12479     1434       1033          51   UNI2-AS , ES
 6849     1313        355          22   UKRTELNET , UA
 8551     1223        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1107        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      992       1161         447   ROSTELECOM-AS , 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     3538        545         156   Telmex Colombia S.A., CO
 8151     2489       3380         553   Uninet S.A. de C.V., MX
11830     1800        368          66   Instituto Costarricense de Electricidad
 6503     1547        437          54   Axtel, S.A.B. de C.V., MX
 7303     1526        974         254   Telecom Argentina S.A., AR
 6147     1352        377          27   Telefonica del Peru S.A.A., PE
28573     1062       2271         178   CLARO S.A., BR
11664     1017        279          32   Techtel LMDS Comunicaciones Interactiva
 3816     1006        479         179   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
17072      972        127         345   TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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     1289        398          42   LINKdotNET-AS, EG
36903      719        361         123   MT-MPLS, MA
37611      680         67           6   Afrihost, ZA
36992      584       1373          25   ETISALAT-MISR, EG
 8452      484       1474          16   TE-AS TE-AS, EG
24835      454        594          16   RAYA-AS, EG
37492      410        324          75   ORANGE-TN, TN
29571      368         36          10   CITelecom-AS, CI
15399      318         35           6   WANANCHI-KE, 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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3735        390         254   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3616       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3538        545         156   Telmex Colombia S.A., CO
39891     3334        171          18   ALJAWWALSTC-AS , SA
 6327     3307       1333          83   SHAW - Shaw Communications Inc., CA
20940     3011       1136        2132   AKAMAI-ASN1 , US
17974     2979        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2732      11133         743   KIXS-AS-KR Korea Telecom, KR
 9829     2695       1499         538   BSNL-NIB National Internet Backbone, IN

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

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

  ASN   No of nets  Net Savings Description
 7545      3735        3481      TPG-INTERNET-AP TPG Telecom Limited, AU
22773      3616        3465      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3538        3382      Telmex Colombia S.A., CO
39891      3334        3316      ALJAWWALSTC-AS , SA
 6327      3307        3224      SHAW - Shaw Communications Inc., CA
17974      2979        2908      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2278        2245      CMNET-GD Guangdong Mobile Communication
 9829      2695        2157      BSNL-NIB National Internet Backbone, IN
 9121      2207        2112      TTNET , TR
18566      2192        2083      MEGAPATH5-US - MegaPath Corporation, US

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

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

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
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
65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom
65001   PRIVATE      94.242.128.0/20      15468       KLGELECS-AS 38, Teatralnaya st

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

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

Network            Origin AS  Description
14.128.12.0/22       55763     UNKNOWN
14.128.12.0/24       55763     UNKNOWN
14.128.13.0/24       55763     UNKNOWN
14.128.15.0/24       55763     UNKNOWN
27.100.7.0/24        56096     UNKNOWN
41.73.16.0/24        37004     Suburban-Broadband-AS, NG
41.73.17.0/24        37004     Suburban-Broadband-AS, NG
41.73.18.0/24        37004     Suburban-Broadband-AS, NG
41.73.19.0/24        37004     Suburban-Broadband-AS, NG
41.73.20.0/24        37004     Suburban-Broadband-AS, NG

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        /8:16       /9:13      /10:36      /11:103     /12:276     
/13:532     /14:1048    /15:1794    /16:13184   /17:7777    /18:13018   
/19:25139   /20:38094   /21:40719   /22:73482   /23:61465   /24:350858  
/25:553     /26:409     /27:294     /28:34      /29:20      /30:18      
/31:1       /32:28      

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

  ASN   No of nets  Total ann.   Description
 6327     3103          3307      SHAW - Shaw Communications Inc., CA
39891     2896          3334      ALJAWWALSTC-AS , SA
22773     2813          3616      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2085          2192      MEGAPATH5-US - MegaPath Corporation, US
 9121     1549          2207      TTNET , TR
30036     1511          1697      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1449          3538      Telmex Colombia S.A., CO
 6389     1392          2094      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1349          1604      TRIOLAN , UA
 6983     1323          1679      ITCDELTA - Earthlink, Inc., US

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

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

   1:1575      2:823       4:25        5:2425      6:32        8:1038   
  11:1        12:1810     13:70       14:1782     15:23       16:2      
  17:104      18:128      19:1        20:51       23:1980     24:1818   
  27:2400     31:1861     32:83       33:11       34:1        35:19     
  36:349      37:2482     38:1299     39:44       40:100      41:2894   
  42:448      43:1921     44:55       45:2323     46:2564     47:109    
  49:1210     50:942      51:17       52:660      54:355      55:5      
  56:4        57:40       58:1604     59:983      60:390      61:1865   
  62:1495     63:1936     64:4551     65:2183     66:4388     67:2219   
  68:1163     69:3308     70:1301     71:570      72:2052     74:2588   
  75:401      76:412      77:1394     78:1562     79:913      80:1367   
  81:1413     82:971      83:721      84:869      85:1699     86:483    
  87:1129     88:779      89:2042     90:197      91:6117     92:1007   
  93:2350     94:2358     95:2785     96:570      97:360      98:939    
  99:91      100:148     101:1233    103:13310   104:2663    105:145    
 106:475     107:1515    108:782     109:2544    110:1286    111:1666   
 112:1148    113:1293    114:1005    115:1640    116:1719    117:1635   
 118:2050    119:1587    120:947     121:1071    122:2261    123:2026   
 124:1571    125:1818    128:703     129:507     130:418     131:1404   
 132:549     133:187     134:522     135:210     136:385     137:416    
 138:1837    139:486     140:614     141:513     142:729     143:916    
 144:761     145:167     146:1050    147:654     148:1400    149:563    
 150:682     151:928     152:709     153:313     154:738     155:959    
 156:543     157:578     158:436     159:1356    160:567     161:738    
 162:2464    163:531     164:770     165:1140    166:360     167:1247   
 168:2481    169:724     170:2622    171:264     172:916     173:1824   
 174:792     175:711     176:1747    177:4100    178:2432    179:1142   
 180:2071    181:1971    182:2191    183:1016    184:835     185:8547   
 186:3239    187:2264    188:2339    189:1782    190:8102    191:1331   
 192:9305    193:5767    194:4577    195:3852    196:1914    197:1240   
 198:5602    199:5814    200:7331    201:4130    202:10061   203:9841   
 204:4460    205:2762    206:2973    207:3154    208:3993    209:3881   
 210:3897    211:2090    212:2782    213:2462    214:849     215:65     
 216:5775    217:1970    218:825     219:600     220:1685    221:897    
 222:714     223:1150   

End of report


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