[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 26 18:11:57 UTC 2016
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 27 Feb, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 585422
Prefixes after maximum aggregation (per Origin AS): 215201
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 285164
Total ASes present in the Internet Routing Table: 52903
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 36594
Origin ASes announcing only one prefix: 15805
Transit ASes present in the Internet Routing Table: 6406
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: 39
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1127
Unregistered ASNs in the Routing Table: 397
Number of 32-bit ASNs allocated by the RIRs: 12856
Number of 32-bit ASNs visible in the Routing Table: 9903
Prefixes from 32-bit ASNs in the Routing Table: 38748
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 400
Number of addresses announced to Internet: 2805844804
Equivalent to 167 /8s, 61 /16s and 203 /24s
Percentage of available address space announced: 75.8
Percentage of allocated address space announced: 75.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.0
Total number of prefixes smaller than registry allocations: 192303
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 150016
Total APNIC prefixes after maximum aggregation: 41513
APNIC Deaggregation factor: 3.61
Prefixes being announced from the APNIC address blocks: 159948
Unique aggregates announced from the APNIC address blocks: 64754
APNIC Region origin ASes present in the Internet Routing Table: 5142
APNIC Prefixes per ASN: 31.11
APNIC Region origin ASes announcing only one prefix: 1183
APNIC Region transit ASes present in the Internet Routing Table: 906
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1891
Number of APNIC addresses announced to Internet: 752276868
Equivalent to 44 /8s, 214 /16s and 213 /24s
Percentage of available APNIC address space announced: 87.9
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: 179657
Total ARIN prefixes after maximum aggregation: 88788
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 184355
Unique aggregates announced from the ARIN address blocks: 87428
ARIN Region origin ASes present in the Internet Routing Table: 16405
ARIN Prefixes per ASN: 11.24
ARIN Region origin ASes announcing only one prefix: 5891
ARIN Region transit ASes present in the Internet Routing Table: 1697
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1030
Number of ARIN addresses announced to Internet: 1102230080
Equivalent to 65 /8s, 178 /16s and 178 /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: 140791
Total RIPE prefixes after maximum aggregation: 69611
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 149251
Unique aggregates announced from the RIPE address blocks: 91992
RIPE Region origin ASes present in the Internet Routing Table: 18051
RIPE Prefixes per ASN: 8.27
RIPE Region origin ASes announcing only one prefix: 7954
RIPE Region transit ASes present in the Internet Routing Table: 3010
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4495
Number of RIPE addresses announced to Internet: 703041408
Equivalent to 41 /8s, 231 /16s and 143 /24s
Percentage of available RIPE address space announced: 102.2
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: 61389
Total LACNIC prefixes after maximum aggregation: 12081
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 75026
Unique aggregates announced from the LACNIC address blocks: 35027
LACNIC Region origin ASes present in the Internet Routing Table: 2469
LACNIC Prefixes per ASN: 30.39
LACNIC Region origin ASes announcing only one prefix: 586
LACNIC Region transit ASes present in the Internet Routing Table: 545
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2300
Number of LACNIC addresses announced to Internet: 170789888
Equivalent to 10 /8s, 46 /16s and 12 /24s
Percentage of available LACNIC address space announced: 101.8
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: 14666
Total AfriNIC prefixes after maximum aggregation: 3167
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 16442
Unique aggregates announced from the AfriNIC address blocks: 5608
AfriNIC Region origin ASes present in the Internet Routing Table: 742
AfriNIC Prefixes per ASN: 22.16
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 171
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 187
Number of AfriNIC addresses announced to Internet: 77081344
Equivalent to 4 /8s, 152 /16s and 43 /24s
Percentage of available AfriNIC address space announced: 76.6
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 5592 4192 76 China Education and Research
7545 3187 351 182 TPG Telecom Limited
4766 3117 11142 1094 Korea Telecom
17974 2908 914 96 PT Telekomunikasi Indonesia
9829 2381 1448 428 National Internet Backbone
4755 2084 431 237 TATA Communications formerly
9808 1832 8717 30 Guangdong Mobile Communicatio
45899 1698 1095 172 VNNIC
4808 1632 2287 522 CNCGROUP IP network China169
9583 1520 121 561 Sify Limited
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 3291 2948 147 Cox Communications Inc.
6389 2394 3687 42 BellSouth.net Inc.
18566 2211 394 276 MegaPath Corporation
20115 1915 1917 401 Charter Communications
30036 1713 340 267 Mediacom Communications Corp
6983 1690 849 233 EarthLink, Inc.
4323 1588 1023 393 tw telecom holdings, inc.
209 1501 4482 1210 Qwest Communications Company,
701 1396 11455 664 MCI Communications Services,
11492 1254 233 597 CABLE ONE, INC.
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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2405 928 1719 Akamai International B.V.
34984 1947 322 415 TELLCOM ILETISIM HIZMETLERI A
8551 1227 376 53 Bezeq International-Ltd
6849 1179 355 21 JSC "Ukrtelecom"
8402 1144 544 15 OJSC "Vimpelcom"
12479 1139 981 83 France Telecom Espana SA
13188 1077 98 78 TOV "Bank-Inform"
31148 1041 47 41 Freenet Ltd.
9198 970 352 25 JSC Kazakhtelecom
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 3434 541 150 Telmex Colombia S.A.
8151 2173 3392 519 Uninet S.A. de C.V.
7303 1520 940 239 Telecom Argentina S.A.
11830 1434 366 25 Instituto Costarricense de El
6503 1428 437 56 Axtel, S.A.B. de C.V.
6147 1036 377 27 Telefonica del Peru S.A.A.
28573 1005 2177 155 NET Serviços de Comunicação S
26615 995 2325 34 Tim Celular S.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 984 477 191 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 1422 1472 15 TE-AS
24863 1193 402 39 Link Egypt (Link.NET)
37611 626 48 2 Afrihost-Brevis Computer Serv
36903 584 294 104 Office National des Postes et
36992 501 1239 29 ETISALAT MISR
37492 358 216 66 Orange Tunisie
24835 333 146 12 Vodafone Data
29571 266 21 12 Cote d'Ivoire Telecom
2018 249 327 74 TENET (The UNINET Project)
3741 220 821 181 Internet Solutions
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 5592 4192 76 China Education and Research
10620 3434 541 150 Telmex Colombia S.A.
22773 3291 2948 147 Cox Communications Inc.
7545 3187 351 182 TPG Telecom Limited
4766 3117 11142 1094 Korea Telecom
17974 2908 914 96 PT Telekomunikasi Indonesia
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2405 928 1719 Akamai International B.V.
6389 2394 3687 42 BellSouth.net Inc.
9829 2381 1448 428 National Internet Backbone
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 3434 3284 Telmex Colombia S.A.
22773 3291 3144 Cox Communications Inc.
7545 3187 3005 TPG Telecom Limited
17974 2908 2812 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2394 2352 BellSouth.net Inc.
4766 3117 2023 Korea Telecom
9829 2381 1953 National Internet Backbone
18566 2211 1935 MegaPath Corporation
4755 2084 1847 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
65001 PRIVATE 5.143.176.0/20 15468 OJSC Rostelecom
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
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
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
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 /11:101 /12:266
/13:513 /14:1027 /15:1761 /16:12973 /17:7484 /18:12589
/19:25694 /20:38134 /21:40127 /22:65105 /23:56132 /24:321847
/25:550 /26:585 /27:401 /28:18 /29:16 /30:12
/31:0 /32:22
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2476 3291 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
30036 1528 1713 Mediacom Communications Corp
6389 1521 2394 BellSouth.net Inc.
6983 1340 1690 EarthLink, Inc.
10620 1320 3434 Telmex Colombia S.A.
34984 1236 1947 TELLCOM ILETISIM HIZMETLERI A
11492 1164 1254 CABLE ONE, INC.
6849 997 1179 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1601 2:735 4:20 5:2099 6:26 8:914
12:1783 13:36 14:1680 15:22 16:2 17:68
18:20 20:48 23:1376 24:1743 27:2245 31:1745
32:54 33:2 34:2 35:4 36:234 37:2356
38:1175 39:26 40:85 41:3188 42:385 43:1683
44:40 45:1698 46:2418 47:68 49:1121 50:844
51:3 52:76 54:179 55:3 56:6 57:44
58:1510 59:860 60:564 61:1793 62:1446 63:1921
64:4465 65:2167 66:4057 67:2086 68:1104 69:3300
70:1040 71:464 72:1983 74:2543 75:357 76:426
77:1376 78:1281 79:813 80:1305 81:1358 82:899
83:671 84:800 85:1581 86:468 87:1040 88:563
89:1935 90:167 91:6049 92:852 93:2312 94:2381
95:2284 96:471 97:356 98:954 99:45 100:69
101:1010 103:9846 104:2263 105:101 106:390 107:1145
108:651 109:2143 110:1262 111:1624 112:936 113:1275
114:1111 115:1687 116:1522 117:1408 118:2109 119:1540
120:510 121:1168 122:2234 123:2015 124:1612 125:1748
128:719 129:369 130:427 131:1272 132:595 133:171
134:449 135:122 136:353 137:337 138:1717 139:200
140:248 141:466 142:629 143:870 144:598 145:160
146:843 147:605 148:1463 149:471 150:662 151:825
152:602 153:270 154:573 155:900 156:487 157:428
158:347 159:1090 160:426 161:723 162:2279 163:530
164:728 165:1119 166:313 167:1018 168:1517 169:600
170:1498 171:264 172:470 173:1637 174:719 175:869
176:1512 177:4028 178:2217 179:1074 180:2112 181:1670
182:1947 183:684 184:790 185:5791 186:3027 187:1990
188:2091 189:1728 190:7668 191:1227 192:8887 193:5725
194:4355 195:3762 196:1654 197:1318 198:5503 199:5574
200:6827 201:3722 202:10112 203:9591 204:4617 205:2691
206:2983 207:3055 208:4041 209:3871 210:3953 211:2010
212:2653 213:2190 214:808 215:73 216:5714 217:1905
218:749 219:564 220:1660 221:851 222:681 223:931
End of report
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