[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 27 18:03:00 UTC 2018
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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, 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 28 Apr, 2018
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 696622
Prefixes after maximum aggregation (per Origin AS): 268740
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 335828
Total ASes present in the Internet Routing Table: 60573
Prefixes per ASN: 11.50
Origin-only ASes present in the Internet Routing Table: 52334
Origin ASes announcing only one prefix: 22916
Transit ASes present in the Internet Routing Table: 8239
Transit-only ASes present in the Internet Routing Table: 272
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 32
Max AS path prepend of ASN ( 30873) 28
Prefixes from unregistered ASNs in the Routing Table: 52
Number of instances of unregistered ASNs: 52
Number of 32-bit ASNs allocated by the RIRs: 22370
Number of 32-bit ASNs visible in the Routing Table: 18029
Prefixes from 32-bit ASNs in the Routing Table: 74974
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 274
Number of addresses announced to Internet: 2858007298
Equivalent to 170 /8s, 89 /16s and 187 /24s
Percentage of available address space announced: 77.2
Percentage of allocated address space announced: 77.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.9
Total number of prefixes smaller than registry allocations: 231989
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 190773
Total APNIC prefixes after maximum aggregation: 54174
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 189607
Unique aggregates announced from the APNIC address blocks: 77418
APNIC Region origin ASes present in the Internet Routing Table: 8760
APNIC Prefixes per ASN: 21.64
APNIC Region origin ASes announcing only one prefix: 2447
APNIC Region transit ASes present in the Internet Routing Table: 1312
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3723
Number of APNIC addresses announced to Internet: 767006722
Equivalent to 45 /8s, 183 /16s and 152 /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: 207204
Total ARIN prefixes after maximum aggregation: 99040
ARIN Deaggregation factor: 2.09
Prefixes being announced from the ARIN address blocks: 208175
Unique aggregates announced from the ARIN address blocks: 98531
ARIN Region origin ASes present in the Internet Routing Table: 18158
ARIN Prefixes per ASN: 11.46
ARIN Region origin ASes announcing only one prefix: 6718
ARIN Region transit ASes present in the Internet Routing Table: 1795
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2345
Number of ARIN addresses announced to Internet: 1104075680
Equivalent to 65 /8s, 206 /16s and 219 /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: 190185
Total RIPE prefixes after maximum aggregation: 91664
RIPE Deaggregation factor: 2.07
Prefixes being announced from the RIPE address blocks: 186106
Unique aggregates announced from the RIPE address blocks: 110990
RIPE Region origin ASes present in the Internet Routing Table: 25134
RIPE Prefixes per ASN: 7.40
RIPE Region origin ASes announcing only one prefix: 11403
RIPE Region transit ASes present in the Internet Routing Table: 3498
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6928
Number of RIPE addresses announced to Internet: 715764352
Equivalent to 42 /8s, 169 /16s and 178 /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: 89824
Total LACNIC prefixes after maximum aggregation: 19834
LACNIC Deaggregation factor: 4.53
Prefixes being announced from the LACNIC address blocks: 91232
Unique aggregates announced from the LACNIC address blocks: 40975
LACNIC Region origin ASes present in the Internet Routing Table: 7081
LACNIC Prefixes per ASN: 12.88
LACNIC Region origin ASes announcing only one prefix: 1968
LACNIC Region transit ASes present in the Internet Routing Table: 1310
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4618
Number of LACNIC addresses announced to Internet: 172822240
Equivalent to 10 /8s, 77 /16s and 14 /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: 18582
Total AfriNIC prefixes after maximum aggregation: 3981
AfriNIC Deaggregation factor: 4.67
Prefixes being announced from the AfriNIC address blocks: 21228
Unique aggregates announced from the AfriNIC address blocks: 7681
AfriNIC Region origin ASes present in the Internet Routing Table: 1140
AfriNIC Prefixes per ASN: 18.62
AfriNIC Region origin ASes announcing only one prefix: 379
AfriNIC Region transit ASes present in the Internet Routing Table: 229
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 415
Number of AfriNIC addresses announced to Internet: 97958400
Equivalent to 5 /8s, 214 /16s and 186 /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 5404 4192 74 ERX-CERNET-BKB China Education and Rese
7545 4389 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU
4766 2899 11134 790 KIXS-AS-KR Korea Telecom, KR
9829 2810 1499 545 BSNL-NIB National Internet Backbone, IN
7552 2766 1155 71 VIETEL-AS-AP Viettel Group, VN
9394 2626 4922 26 CTTNET China TieTong Telecommunications
45899 2517 1574 160 VNPT-AS-VN VNPT Corp, VN
17974 2284 928 79 TELKOMNET-AS2-AP PT Telekomunikasi Indo
9808 2190 8699 32 CMNET-GD Guangdong Mobile Communication
4755 2098 417 206 TATACOMM-AS TATA Communications formerl
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
6327 3379 1323 84 SHAW - Shaw Communications Inc., CA
22773 3289 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566 2168 405 109 MEGAPATH5-US - MegaPath Corporation, US
20115 2097 2499 453 CHARTER-NET-HKY-NC - Charter Communicat
16509 2075 4446 643 AMAZON-02 - Amazon.com, Inc., US
209 1969 5070 607 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1962 338 176 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
11492 1872 232 540 CABLEONE - CABLE ONE, INC., US
16625 1746 852 1253 AKAMAI-AS - Akamai Technologies, Inc.,
7018 1703 20213 1257 ATT-INTERNET4 - AT&T Services, 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
12479 4088 1516 505 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
20940 2672 726 1962 AKAMAI-ASN1, US
8551 2073 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2036 1876 707 ROSTELECOM-AS, RU
34984 2019 334 485 TELLCOM-AS, TR
9121 1979 1692 19 TTNET, TR
13188 1609 100 43 TRIOLAN, UA
8402 1245 544 14 CORBINA-AS OJSC "Vimpelcom", RU
6849 1241 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
8151 4442 3385 585 Uninet S.A. de C.V., MX
10620 3591 542 244 Telmex Colombia S.A., CO
11830 2645 369 86 Instituto Costarricense de Electricidad
6503 1612 437 53 Axtel, S.A.B. de C.V., MX
7303 1519 1026 193 Telecom Argentina S.A., AR
28573 1034 2251 184 CLARO S.A., BR
6147 1010 377 31 Telefonica del Peru S.A.A., PE
3816 1009 505 123 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 927 126 85 Alestra, S. de R.L. de C.V., MX
18881 909 1074 29 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 1171 396 45 LINKdotNET-AS, EG
37611 830 107 9 Afrihost, ZA
36903 739 371 141 MT-MPLS, MA
8452 669 1730 18 TE-AS TE-AS, EG
36992 665 1412 41 ETISALAT-MISR, EG
24835 598 850 15 RAYA-AS, EG
29571 474 68 12 ORANGE-COTE-IVOIRE, CI
37492 452 376 81 ORANGE-, TN
23889 362 103 14 MauritiusTelecom, MU
37342 361 32 1 MOVITEL, MZ
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 5404 4192 74 ERX-CERNET-BKB China Education and Rese
8151 4442 3385 585 Uninet S.A. de C.V., MX
7545 4389 415 431 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 4088 1516 505 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
10620 3591 542 244 Telmex Colombia S.A., CO
6327 3379 1323 84 SHAW - Shaw Communications Inc., CA
22773 3289 2988 149 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
4766 2899 11134 790 KIXS-AS-KR Korea Telecom, KR
9829 2810 1499 545 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 4389 3958 TPG-INTERNET-AP TPG Telecom Limited, AU
8151 4442 3857 Uninet S.A. de C.V., MX
39891 3778 3758 ALJAWWALSTC-AS, SA
12479 4088 3583 UNI2-AS, ES
10620 3591 3347 Telmex Colombia S.A., CO
6327 3379 3295 SHAW - Shaw Communications Inc., CA
22773 3289 3140 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 2766 2695 VIETEL-AS-AP Viettel Group, VN
9394 2626 2600 CTTNET China TieTong Telecommunications Corpora
11830 2645 2559 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb
419333 UNALLOCATED 84.17.91.0/24 41933 IPRAGAZ-AS Istanbul/ TURKEY, T
65024 PRIVATE 87.103.232.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.233.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 87.103.234.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.78.0/24 39407 CHITATELECOM-AS, RU
65024 PRIVATE 95.189.80.0/22 39407 CHITATELECOM-AS, RU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.224.0/19 209 CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23 28885 OMANTEL-NAP-AS OmanTel NAP, OM
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.136.0/24 37500 -Reserved AS-, ZZ
41.76.138.0/24 37500 -Reserved AS-, ZZ
41.76.139.0/24 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/24 37500 -Reserved AS-, ZZ
41.76.141.0/24 37500 -Reserved AS-, ZZ
41.76.142.0/24 37500 -Reserved AS-, ZZ
41.76.143.0/24 37500 -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 /8:14 /9:11 /10:37 /11:100 /12:288
/13:565 /14:1096 /15:1901 /16:13407 /17:7837 /18:13590
/19:25171 /20:39380 /21:45168 /22:86697 /23:70128 /24:388993
/25:847 /26:607 /27:654 /28:36 /29:21 /30:17
/31:4 /32:53
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3168 3379 SHAW - Shaw Communications Inc., CA
39891 2946 3778 ALJAWWALSTC-AS, SA
12479 2830 4088 UNI2-AS, ES
22773 2543 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
18566 2061 2168 MEGAPATH5-US - MegaPath Corporation, US
11830 1993 2645 Instituto Costarricense de Electricidad y Telec
30036 1714 1962 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11492 1615 1872 CABLEONE - CABLE ONE, INC., US
10620 1601 3591 Telmex Colombia S.A., CO
8551 1536 2073 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1591 2:843 4:19 5:2802 6:65 7:1
8:1116 12:1870 13:185 14:1745 15:30 16:3
17:204 18:68 20:47 21:5 23:2579 24:2163
25:2 27:2277 31:1975 32:87 35:27 36:508
37:2769 38:1445 39:256 40:119 41:3093 42:574
43:1976 44:109 45:4304 46:3040 47:204 49:1312
50:1047 51:304 52:1020 54:372 55:4 56:12
57:42 58:1556 59:992 60:430 61:2154 62:1814
63:1788 64:4926 65:2199 66:4611 67:2367 68:1144
69:3191 70:1147 71:561 72:2101 74:2719 75:414
76:439 77:1549 78:1698 79:1847 80:1490 81:1409
82:1079 83:777 84:1043 85:2059 86:590 87:1302
88:938 89:2330 90:206 91:6340 92:1168 93:2370
94:2379 95:2825 96:663 97:358 98:946 99:133
100:81 101:1281 102:40 103:17600 104:3524 105:232
106:659 107:1770 108:710 109:2718 110:1604 111:1774
112:1267 113:1262 114:1123 115:1633 116:1643 117:1730
118:2167 119:1643 120:983 121:1053 122:2451 123:1815
124:1467 125:1891 128:1002 129:648 130:453 131:1597
132:666 133:196 134:1016 135:227 136:457 137:493
138:1924 139:601 140:426 141:694 142:803 143:975
144:799 145:461 146:1184 147:786 148:1593 149:700
150:732 151:1060 152:767 153:311 154:1025 155:763
156:929 157:781 158:642 159:1738 160:925 161:751
162:2584 163:546 164:1050 165:1569 166:431 167:1396
168:3066 169:800 170:3694 171:432 172:1060 173:1984
174:885 175:759 176:1943 177:4014 178:2433 179:1212
180:2247 181:2193 182:2386 183:1145 184:956 185:13421
186:3608 187:2370 188:2770 189:2032 190:8091 191:1468
192:9836 193:5885 194:4773 195:3955 196:2530 197:1457
198:5525 199:5882 200:7399 201:4997 202:10326 203:10185
204:4562 205:2879 206:3095 207:3204 208:3979 209:3948
210:4033 211:2116 212:3005 213:2730 214:957 215:61
216:5928 217:2126 218:912 219:622 220:1754 221:995
222:1038 223:1242
End of report
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