[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 27 18:11:16 UTC 2015
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,
SAFNOG, PaNOG, 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 28 Nov, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 571471
Prefixes after maximum aggregation (per Origin AS): 212838
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 279928
Total ASes present in the Internet Routing Table: 52120
Prefixes per ASN: 10.96
Origin-only ASes present in the Internet Routing Table: 36663
Origin ASes announcing only one prefix: 15952
Transit ASes present in the Internet Routing Table: 6370
Transit-only ASes present in the Internet Routing Table: 165
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 1036
Unregistered ASNs in the Routing Table: 371
Number of 32-bit ASNs allocated by the RIRs: 11884
Number of 32-bit ASNs visible in the Routing Table: 9087
Prefixes from 32-bit ASNs in the Routing Table: 34497
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 415
Number of addresses announced to Internet: 2802174912
Equivalent to 167 /8s, 5 /16s and 203 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.8
Total number of prefixes smaller than registry allocations: 188217
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 144685
Total APNIC prefixes after maximum aggregation: 40283
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 152898
Unique aggregates announced from the APNIC address blocks: 61972
APNIC Region origin ASes present in the Internet Routing Table: 5115
APNIC Prefixes per ASN: 29.89
APNIC Region origin ASes announcing only one prefix: 1194
APNIC Region transit ASes present in the Internet Routing Table: 888
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1726
Number of APNIC addresses announced to Internet: 756128128
Equivalent to 45 /8s, 17 /16s and 153 /24s
Percentage of available APNIC address space announced: 88.4
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, 131072-135580
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: 180739
Total ARIN prefixes after maximum aggregation: 89055
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 184168
Unique aggregates announced from the ARIN address blocks: 87343
ARIN Region origin ASes present in the Internet Routing Table: 16513
ARIN Prefixes per ASN: 11.15
ARIN Region origin ASes announcing only one prefix: 5978
ARIN Region transit ASes present in the Internet Routing Table: 1718
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 845
Number of ARIN addresses announced to Internet: 1102537920
Equivalent to 65 /8s, 183 /16s and 100 /24s
Percentage of available ARIN address space announced: 58.3
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, 393216-395164
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: 137548
Total RIPE prefixes after maximum aggregation: 68566
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 145239
Unique aggregates announced from the RIPE address blocks: 90032
RIPE Region origin ASes present in the Internet Routing Table: 18019
RIPE Prefixes per ASN: 8.06
RIPE Region origin ASes announcing only one prefix: 7988
RIPE Region transit ASes present in the Internet Routing Table: 2978
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4243
Number of RIPE addresses announced to Internet: 701837696
Equivalent to 41 /8s, 213 /16s and 49 /24s
Percentage of available RIPE address space announced: 102.0
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, 196608-204287
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: 60552
Total LACNIC prefixes after maximum aggregation: 11790
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 73085
Unique aggregates announced from the LACNIC address blocks: 34042
LACNIC Region origin ASes present in the Internet Routing Table: 2463
LACNIC Prefixes per ASN: 29.67
LACNIC Region origin ASes announcing only one prefix: 600
LACNIC Region transit ASes present in the Internet Routing Table: 540
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2100
Number of LACNIC addresses announced to Internet: 170322432
Equivalent to 10 /8s, 38 /16s and 234 /24s
Percentage of available LACNIC address space announced: 101.5
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 13364
Total AfriNIC prefixes after maximum aggregation: 3103
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 15666
Unique aggregates announced from the AfriNIC address blocks: 6188
AfriNIC Region origin ASes present in the Internet Routing Table: 731
AfriNIC Prefixes per ASN: 21.43
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 169
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 173
Number of AfriNIC addresses announced to Internet: 70993920
Equivalent to 4 /8s, 59 /16s and 72 /24s
Percentage of available AfriNIC address space announced: 70.5
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 5599 4192 76 China Education and Research
7545 3025 343 151 TPG Telecom Limited
4766 2996 11134 987 Korea Telecom
17974 2721 914 96 PT Telekomunikasi Indonesia
4755 2066 431 231 TATA Communications formerly
9829 2034 1408 299 National Internet Backbone
9808 1671 8639 18 Guangdong Mobile Communicatio
4808 1560 2269 497 CNCGROUP IP network China169
9583 1499 120 560 Sify Limited
9498 1403 335 112 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 3245 2964 143 Cox Communications Inc.
3356 2583 10693 531 Level 3 Communications, Inc.
6389 2509 3687 42 BellSouth.net Inc.
18566 2213 394 277 MegaPath Corporation
20115 1887 1897 400 Charter Communications
6983 1699 849 238 EarthLink, Inc.
30036 1648 329 361 Mediacom Communications Corp
4323 1578 1013 395 tw telecom holdings, inc.
209 1482 4326 1233 Qwest Communications Company,
701 1392 11415 665 MCI Communications Services,
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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2232 886 1607 Akamai International B.V.
34984 1918 320 406 TELLCOM ILETISIM HIZMETLERI A
8402 1199 544 15 OJSC "Vimpelcom"
8551 1086 376 53 Bezeq International-Ltd
13188 1074 97 79 TOV "Bank-Inform"
12479 1044 966 82 France Telecom Espana SA
31148 1035 47 41 Freenet Ltd.
9198 963 349 25 JSC Kazakhtelecom
6830 892 2706 466 Liberty Global Operations B.V
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 3400 540 156 Telmex Colombia S.A.
8151 2107 3342 498 Uninet S.A. de C.V.
7303 1573 940 235 Telecom Argentina S.A.
6503 1381 437 57 Axtel, S.A.B. de C.V.
28573 1332 2175 119 NET Serviços de Comunicação S
11830 1094 364 24 Instituto Costarricense de El
6147 1042 376 34 Telefonica del Peru S.A.A.
26615 1004 2325 34 Tim Celular S.A.
7738 993 1882 41 Telemar Norte Leste S.A.
3816 962 450 185 COLOMBIA TELECOMUNICACIONES S
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
8452 1144 1470 14 TE-AS
24863 1087 409 38 Link Egypt (Link.NET)
37611 575 39 41 Afrihost-Brevis Computer Serv
36903 522 263 102 Office National des Postes et
36992 438 1229 32 ETISALAT MISR
37492 324 192 74 Orange Tunisie
29571 244 21 11 Cote d'Ivoire Telecom
24835 234 146 12 Vodafone Data
3741 221 837 183 Internet Solutions
15706 171 32 6 Sudatel (Sudan Telecom Co. Lt
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 5599 4192 76 China Education and Research
10620 3400 540 156 Telmex Colombia S.A.
22773 3245 2964 143 Cox Communications Inc.
7545 3025 343 151 TPG Telecom Limited
4766 2996 11134 987 Korea Telecom
17974 2721 914 96 PT Telekomunikasi Indonesia
3356 2583 10693 531 Level 3 Communications, Inc.
6389 2509 3687 42 BellSouth.net Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2232 886 1607 Akamai International B.V.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3400 3244 Telmex Colombia S.A.
22773 3245 3102 Cox Communications Inc.
7545 3025 2874 TPG Telecom Limited
17974 2721 2625 PT Telekomunikasi Indonesia
6389 2509 2467 BellSouth.net Inc.
39891 2473 2466 SaudiNet, Saudi Telecom Compa
3356 2583 2052 Level 3 Communications, Inc.
4766 2996 2009 Korea Telecom
18566 2213 1936 MegaPath Corporation
4755 2066 1835 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
8655 UNALLOCATED 1.3.3.0/24 4134 No.31,Jin-rong Stree
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.64.254.0/24 9583 Sify Limited
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
31.170.96.0/23 23456 32bit Transition AS
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.46.8.0/23 13768 Peer 1 Network (USA) Inc.
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
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 /9:11 /10:36 /11:98 /12:263
/13:506 /14:1009 /15:1763 /16:12924 /17:7365 /18:12572
/19:25693 /20:37644 /21:39814 /22:62856 /23:54554 /24:312786
/25:549 /26:566 /27:384 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2437 3245 Cox Communications Inc.
39891 2432 2473 SaudiNet, Saudi Telecom Compa
18566 2115 2213 MegaPath Corporation
6389 1553 2509 BellSouth.net Inc.
30036 1465 1648 Mediacom Communications Corp
6983 1346 1699 EarthLink, Inc.
10620 1279 3400 Telmex Colombia S.A.
34984 1206 1918 TELLCOM ILETISIM HIZMETLERI A
11492 1132 1217 CABLE ONE, INC.
31148 954 1035 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1649 2:701 4:100 5:1991 6:25 8:1414
12:1805 13:27 14:1560 15:23 16:2 17:57
18:19 20:48 23:1317 24:1736 27:2142 31:1685
32:54 33:2 34:4 35:5 36:185 37:2274
38:1115 39:20 40:74 41:2926 42:364 43:1616
44:36 45:1526 46:2325 47:63 49:1038 50:815
52:33 54:93 55:8 56:8 57:44 58:1406
59:826 60:509 61:1765 62:1404 63:1906 64:4402
65:2200 66:4040 67:2126 68:1085 69:3269 70:1018
71:463 72:1991 74:2561 75:357 76:416 77:1393
78:1253 79:801 80:1344 81:1348 82:838 83:648
84:790 85:1482 86:459 87:1044 88:538 89:1930
90:168 91:5992 92:860 93:2286 94:2184 95:2249
96:474 97:352 98:910 99:47 100:80 101:849
103:8938 104:2185 105:73 106:363 107:1104 108:632
109:2105 110:1225 111:1533 112:866 113:1107 114:874
115:1496 116:1482 117:1185 118:1974 119:1495 120:502
121:1161 122:2253 123:1870 124:1562 125:1734 128:701
129:368 130:387 131:1260 132:593 133:165 134:439
135:119 136:345 137:312 138:1484 139:191 140:246
141:455 142:637 143:699 144:571 145:148 146:787
147:608 148:1286 149:440 150:621 151:810 152:568
153:266 154:471 155:909 156:434 157:444 158:342
159:1055 160:409 161:680 162:2213 163:494 164:705
165:1084 166:312 167:885 168:1311 169:548 170:1505
171:261 172:356 173:1551 174:720 175:752 176:1499
177:4008 178:2332 179:1050 180:2033 181:1622 182:1865
183:666 184:771 185:4976 186:3037 187:1876 188:2065
189:1694 190:7522 191:1212 192:8685 193:5711 194:4304
195:3690 196:2251 197:1214 198:5496 199:5551 200:6677
201:3508 202:9879 203:9287 204:4566 205:2744 206:3024
207:3009 208:4000 209:3971 210:3746 211:2008 212:2627
213:2178 214:830 215:72 216:5775 217:1881 218:741
219:544 220:1624 221:807 222:640 223:860
End of report
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