[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 11 18:11:15 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 12 Mar, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 586718
Prefixes after maximum aggregation (per Origin AS): 215597
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 285921
Total ASes present in the Internet Routing Table: 53056
Prefixes per ASN: 11.06
Origin-only ASes present in the Internet Routing Table: 36592
Origin ASes announcing only one prefix: 15789
Transit ASes present in the Internet Routing Table: 6412
Transit-only ASes present in the Internet Routing Table: 167
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: 1062
Unregistered ASNs in the Routing Table: 367
Number of 32-bit ASNs allocated by the RIRs: 13030
Number of 32-bit ASNs visible in the Routing Table: 10052
Prefixes from 32-bit ASNs in the Routing Table: 39223
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 345
Number of addresses announced to Internet: 2808944324
Equivalent to 167 /8s, 109 /16s and 22 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
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: 192220
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 150355
Total APNIC prefixes after maximum aggregation: 41706
APNIC Deaggregation factor: 3.61
Prefixes being announced from the APNIC address blocks: 160207
Unique aggregates announced from the APNIC address blocks: 64684
APNIC Region origin ASes present in the Internet Routing Table: 5153
APNIC Prefixes per ASN: 31.09
APNIC Region origin ASes announcing only one prefix: 1192
APNIC Region transit ASes present in the Internet Routing Table: 905
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: 1931
Number of APNIC addresses announced to Internet: 753310980
Equivalent to 44 /8s, 230 /16s and 157 /24s
Percentage of available APNIC address space announced: 88.0
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: 179827
Total ARIN prefixes after maximum aggregation: 88882
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 184828
Unique aggregates announced from the ARIN address blocks: 87774
ARIN Region origin ASes present in the Internet Routing Table: 16409
ARIN Prefixes per ASN: 11.26
ARIN Region origin ASes announcing only one prefix: 5890
ARIN Region transit ASes present in the Internet Routing Table: 1699
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: 1069
Number of ARIN addresses announced to Internet: 1102423104
Equivalent to 65 /8s, 181 /16s and 164 /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: 141090
Total RIPE prefixes after maximum aggregation: 69682
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 149636
Unique aggregates announced from the RIPE address blocks: 92320
RIPE Region origin ASes present in the Internet Routing Table: 18052
RIPE Prefixes per ASN: 8.29
RIPE Region origin ASes announcing only one prefix: 7939
RIPE Region transit ASes present in the Internet Routing Table: 3012
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4538
Number of RIPE addresses announced to Internet: 703641472
Equivalent to 41 /8s, 240 /16s and 183 /24s
Percentage of available RIPE address space announced: 102.3
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: 61670
Total LACNIC prefixes after maximum aggregation: 12115
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 75505
Unique aggregates announced from the LACNIC address blocks: 35198
LACNIC Region origin ASes present in the Internet Routing Table: 2458
LACNIC Prefixes per ASN: 30.72
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 556
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2324
Number of LACNIC addresses announced to Internet: 171050752
Equivalent to 10 /8s, 50 /16s and 7 /24s
Percentage of available LACNIC address space announced: 102.0
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: 14441
Total AfriNIC prefixes after maximum aggregation: 3171
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 16197
Unique aggregates announced from the AfriNIC address blocks: 5641
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 21.92
AfriNIC Region origin ASes announcing only one prefix: 190
AfriNIC Region transit ASes present in the Internet Routing Table: 167
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 190
Number of AfriNIC addresses announced to Internet: 78155264
Equivalent to 4 /8s, 168 /16s and 142 /24s
Percentage of available AfriNIC address space announced: 77.6
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 5590 4192 76 China Education and Research
4766 3144 11142 1115 Korea Telecom
7545 3089 351 184 TPG Telecom Limited
17974 2903 914 96 PT Telekomunikasi Indonesia
9829 2390 1449 427 National Internet Backbone
4755 2096 432 245 TATA Communications formerly
9808 1855 8717 30 Guangdong Mobile Communicatio
45899 1692 1094 170 VNNIC
4808 1641 2287 522 CNCGROUP IP network China169
4788 1520 645 64 TM Net, Internet Service Prov
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 3343 2948 143 Cox Communications Inc.
6389 2394 3687 42 BellSouth.net Inc.
18566 2211 394 276 MegaPath Corporation
20115 1914 1921 401 Charter Communications
30036 1730 342 253 Mediacom Communications Corp
6983 1690 849 232 EarthLink, Inc.
4323 1585 1004 392 tw telecom holdings, inc.
209 1502 4483 1212 Qwest Communications Company,
701 1391 11453 660 MCI Communications Services,
11492 1259 234 594 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 2404 925 1729 Akamai International B.V.
34984 1952 322 414 TELLCOM ILETISIM HIZMETLERI A
8551 1230 376 54 Bezeq International-Ltd
6849 1179 355 21 JSC "Ukrtelecom"
12479 1144 980 86 France Telecom Espana SA
8402 1125 544 15 OJSC "Vimpelcom"
13188 1077 98 78 TOV "Bank-Inform"
31148 1041 47 41 Freenet Ltd.
9198 949 352 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 3447 542 122 Telmex Colombia S.A.
8151 2221 3412 551 Uninet S.A. de C.V.
7303 1521 941 238 Telecom Argentina S.A.
11830 1442 366 25 Instituto Costarricense de El
6503 1432 453 56 Axtel, S.A.B. de C.V.
6147 1036 377 27 Telefonica del Peru S.A.A.
3816 994 478 185 COLOMBIA TELECOMUNICACIONES S
7738 994 1882 41 Telemar Norte Leste S.A.
26615 994 2325 34 Tim Celular S.A.
28573 991 2172 159 NET Serviços de Comunicação 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
24863 1201 402 35 Link Egypt (Link.NET)
8452 1008 1472 15 TE-AS
37611 633 48 2 Afrihost-Brevis Computer Serv
36903 584 294 104 Office National des Postes et
36992 505 1357 25 ETISALAT MISR
37492 377 217 64 Orange Tunisie
24835 338 146 12 Vodafone Data
29571 267 21 12 Cote d'Ivoire Telecom
2018 250 327 74 TENET (The UNINET Project)
36947 231 807 13 Telecom Algeria
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 5590 4192 76 China Education and Research
10620 3447 542 122 Telmex Colombia S.A.
22773 3343 2948 143 Cox Communications Inc.
4766 3144 11142 1115 Korea Telecom
7545 3089 351 184 TPG Telecom Limited
17974 2903 914 96 PT Telekomunikasi Indonesia
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2404 925 1729 Akamai International B.V.
6389 2394 3687 42 BellSouth.net Inc.
9829 2390 1449 427 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 3447 3325 Telmex Colombia S.A.
22773 3343 3200 Cox Communications Inc.
7545 3089 2905 TPG Telecom Limited
17974 2903 2807 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2394 2352 BellSouth.net Inc.
4766 3144 2029 Korea Telecom
9829 2390 1963 National Internet Backbone
18566 2211 1935 MegaPath Corporation
4755 2096 1851 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
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
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
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 /12:267
/13:517 /14:1030 /15:1763 /16:12978 /17:7575 /18:12702
/19:25792 /20:38135 /21:40194 /22:65126 /23:56317 /24:322554
/25:542 /26:585 /27:404 /28:19 /29:16 /30:13
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2527 3343 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2113 2211 MegaPath Corporation
30036 1545 1730 Mediacom Communications Corp
6389 1521 2394 BellSouth.net Inc.
6983 1340 1690 EarthLink, Inc.
10620 1332 3447 Telmex Colombia S.A.
34984 1241 1952 TELLCOM ILETISIM HIZMETLERI A
11492 1169 1259 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)
----------------------------------------------
1:1640 2:737 4:20 5:2075 6:26 8:917
12:1774 13:38 14:1617 15:45 16:2 17:72
18:20 20:49 23:1407 24:1742 27:2259 31:1746
32:54 33:2 34:3 35:4 36:240 37:2339
38:1177 39:26 40:88 41:2956 42:385 43:1658
44:40 45:1706 46:2451 47:71 49:1116 50:836
51:8 52:83 54:197 55:3 56:6 57:44
58:1515 59:861 60:562 61:1796 62:1477 63:1927
64:4437 65:2165 66:4011 67:2107 68:1100 69:3263
70:1063 71:468 72:1971 74:2543 75:340 76:439
77:1373 78:1273 79:833 80:1314 81:1363 82:913
83:675 84:800 85:1586 86:466 87:1053 88:570
89:1943 90:167 91:6047 92:857 93:2296 94:2368
95:2307 96:459 97:352 98:959 99:45 100:70
101:1002 103:9873 104:2230 105:178 106:393 107:1146
108:656 109:2116 110:1263 111:1613 112:940 113:1279
114:1058 115:1692 116:1530 117:1383 118:2131 119:1565
120:513 121:1163 122:2224 123:2015 124:1613 125:1741
128:725 129:376 130:430 131:1257 132:605 133:171
134:448 135:122 136:353 137:332 138:1696 139:212
140:338 141:468 142:630 143:874 144:607 145:160
146:851 147:636 148:1467 149:482 150:659 151:827
152:604 153:270 154:555 155:902 156:489 157:444
158:347 159:1098 160:427 161:727 162:2293 163:531
164:727 165:1123 166:311 167:1075 168:1568 169:611
170:1571 171:267 172:493 173:1667 174:721 175:888
176:1515 177:4061 178:2237 179:1089 180:2084 181:1674
182:1953 183:672 184:809 185:5907 186:3018 187:2036
188:2101 189:1761 190:7682 191:1244 192:8906 193:5729
194:4370 195:3765 196:1648 197:1173 198:5497 199:5614
200:6845 201:3706 202:10121 203:9587 204:4627 205:2705
206:2968 207:3103 208:4063 209:3889 210:3945 211:2030
212:2668 213:2192 214:828 215:73 216:5748 217:1902
218:762 219:568 220:1653 221:856 222:675 223:930
End of report
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