[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 8 18:11:14 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 09 Jan, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 577904
Prefixes after maximum aggregation (per Origin AS): 213596
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 281683
Total ASes present in the Internet Routing Table: 52425
Prefixes per ASN: 11.02
Origin-only ASes present in the Internet Routing Table: 36605
Origin ASes announcing only one prefix: 15864
Transit ASes present in the Internet Routing Table: 6407
Transit-only ASes present in the Internet Routing Table: 164
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 39
Max AS path prepend of ASN ( 55644) 36
Prefixes from unregistered ASNs in the Routing Table: 1022
Unregistered ASNs in the Routing Table: 364
Number of 32-bit ASNs allocated by the RIRs: 12305
Number of 32-bit ASNs visible in the Routing Table: 9413
Prefixes from 32-bit ASNs in the Routing Table: 36098
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: 440
Number of addresses announced to Internet: 2802534084
Equivalent to 167 /8s, 11 /16s and 70 /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: 97.9
Total number of prefixes smaller than registry allocations: 189356
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 147258
Total APNIC prefixes after maximum aggregation: 40643
APNIC Deaggregation factor: 3.62
Prefixes being announced from the APNIC address blocks: 156044
Unique aggregates announced from the APNIC address blocks: 63000
APNIC Region origin ASes present in the Internet Routing Table: 5127
APNIC Prefixes per ASN: 30.44
APNIC Region origin ASes announcing only one prefix: 1187
APNIC Region transit ASes present in the Internet Routing Table: 897
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: 1791
Number of APNIC addresses announced to Internet: 756488836
Equivalent to 45 /8s, 23 /16s and 26 /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: 181566
Total ARIN prefixes after maximum aggregation: 89017
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 184966
Unique aggregates announced from the ARIN address blocks: 86826
ARIN Region origin ASes present in the Internet Routing Table: 16461
ARIN Prefixes per ASN: 11.24
ARIN Region origin ASes announcing only one prefix: 5926
ARIN Region transit ASes present in the Internet Routing Table: 1720
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: 920
Number of ARIN addresses announced to Internet: 1101459904
Equivalent to 65 /8s, 166 /16s and 241 /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: 138687
Total RIPE prefixes after maximum aggregation: 68896
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 146691
Unique aggregates announced from the RIPE address blocks: 90771
RIPE Region origin ASes present in the Internet Routing Table: 18040
RIPE Prefixes per ASN: 8.13
RIPE Region origin ASes announcing only one prefix: 7969
RIPE Region transit ASes present in the Internet Routing Table: 3002
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4342
Number of RIPE addresses announced to Internet: 702250624
Equivalent to 41 /8s, 219 /16s and 126 /24s
Percentage of available RIPE address space announced: 102.1
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: 60570
Total LACNIC prefixes after maximum aggregation: 11881
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 73732
Unique aggregates announced from the LACNIC address blocks: 34381
LACNIC Region origin ASes present in the Internet Routing Table: 2462
LACNIC Prefixes per ASN: 29.95
LACNIC Region origin ASes announcing only one prefix: 590
LACNIC Region transit ASes present in the Internet Routing Table: 539
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: 2180
Number of LACNIC addresses announced to Internet: 170577664
Equivalent to 10 /8s, 42 /16s and 207 /24s
Percentage of available LACNIC address space announced: 101.7
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: 13639
Total AfriNIC prefixes after maximum aggregation: 3118
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 16031
Unique aggregates announced from the AfriNIC address blocks: 6341
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 21.90
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 168
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: 180
Number of AfriNIC addresses announced to Internet: 71174144
Equivalent to 4 /8s, 62 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 70.7
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 5603 4192 76 China Education and Research
7545 3095 346 158 TPG Telecom Limited
4766 3017 11136 1004 Korea Telecom
17974 2858 914 96 PT Telekomunikasi Indonesia
9829 2312 1433 376 National Internet Backbone
4755 2072 431 234 TATA Communications formerly
9808 1728 8717 29 Guangdong Mobile Communicatio
4808 1620 2278 506 CNCGROUP IP network China169
9583 1514 121 556 Sify Limited
38197 1416 88 182 Sun Network (Hong Kong) Limit
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 3274 2948 145 Cox Communications Inc.
3356 2602 10693 546 Level 3 Communications, Inc.
6389 2508 3687 42 BellSouth.net Inc.
18566 2210 394 277 MegaPath Corporation
20115 1900 1905 406 Charter Communications
6983 1695 849 238 EarthLink, Inc.
30036 1673 333 323 Mediacom Communications Corp
4323 1579 1021 393 tw telecom holdings, inc.
209 1469 4339 1233 Qwest Communications Company,
701 1380 11445 652 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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2322 921 1662 Akamai International B.V.
34984 1940 322 412 TELLCOM ILETISIM HIZMETLERI A
8551 1238 376 44 Bezeq International-Ltd
13188 1075 97 79 TOV "Bank-Inform"
12479 1070 965 80 France Telecom Espana SA
8402 1065 544 15 OJSC "Vimpelcom"
31148 1043 48 42 Freenet Ltd.
9198 972 351 22 JSC Kazakhtelecom
6830 894 2712 464 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 539 160 Telmex Colombia S.A.
8151 2172 3383 518 Uninet S.A. de C.V.
7303 1585 943 242 Telecom Argentina S.A.
6503 1389 437 57 Axtel, S.A.B. de C.V.
28573 1213 2172 140 NET Serviços de Comunicação S
11830 1101 366 25 Instituto Costarricense de El
6147 1036 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 978 460 187 COLOMBIA TELECOMUNICACIONES S
26615 959 2325 34 Tim Celular S.A.
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 1240 1472 15 TE-AS
24863 1174 403 36 Link Egypt (Link.NET)
37611 581 39 41 Afrihost-Brevis Computer Serv
36903 549 276 123 Office National des Postes et
36992 447 1233 33 ETISALAT MISR
37492 335 213 63 Orange Tunisie
24835 330 146 12 Vodafone Data
29571 264 21 11 Cote d'Ivoire Telecom
3741 221 837 183 Internet Solutions
36947 174 807 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 5603 4192 76 China Education and Research
10620 3400 539 160 Telmex Colombia S.A.
22773 3274 2948 145 Cox Communications Inc.
7545 3095 346 158 TPG Telecom Limited
4766 3017 11136 1004 Korea Telecom
17974 2858 914 96 PT Telekomunikasi Indonesia
3356 2602 10693 546 Level 3 Communications, Inc.
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2508 3687 42 BellSouth.net Inc.
20940 2322 921 1662 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 3240 Telmex Colombia S.A.
22773 3274 3129 Cox Communications Inc.
7545 3095 2937 TPG Telecom Limited
17974 2858 2762 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2508 2466 BellSouth.net Inc.
3356 2602 2056 Level 3 Communications, Inc.
4766 3017 2013 Korea Telecom
9829 2312 1936 National Internet Backbone
18566 2210 1933 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
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
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
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 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<<
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 /11:100 /12:265
/13:506 /14:1015 /15:1770 /16:12972 /17:7424 /18:12625
/19:25603 /20:37895 /21:39925 /22:63843 /23:55275 /24:317050
/25:545 /26:577 /27:387 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2472 2515 SaudiNet, Saudi Telecom Compa
22773 2459 3274 Cox Communications Inc.
18566 2112 2210 MegaPath Corporation
6389 1553 2508 BellSouth.net Inc.
30036 1490 1673 Mediacom Communications Corp
6983 1341 1695 EarthLink, Inc.
10620 1292 3400 Telmex Colombia S.A.
34984 1226 1940 TELLCOM ILETISIM HIZMETLERI A
11492 1135 1225 CABLE ONE, INC.
31148 960 1043 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1617 2:666 4:100 5:2062 6:26 8:1428
12:1797 13:31 14:1605 15:23 16:2 17:57
18:19 20:48 22:1 23:1344 24:1740 27:2174
31:1715 32:54 33:2 34:4 35:5 36:204
37:2312 38:1139 39:23 40:80 41:3044 42:370
43:1638 44:36 45:1633 46:2364 47:66 49:1076
50:824 51:3 52:39 54:136 55:7 56:8
57:44 58:1467 59:843 60:530 61:1776 62:1438
63:1915 64:4461 65:2171 66:4071 67:2128 68:1089
69:3274 70:1044 71:461 72:1984 74:2584 75:358
76:421 77:1388 78:1277 79:811 80:1309 81:1349
82:866 83:674 84:780 85:1539 86:455 87:1048
88:549 89:1944 90:150 91:5956 92:867 93:2293
94:2248 95:2245 96:470 97:352 98:954 99:45
100:76 101:868 103:9355 104:2207 105:94 106:369
107:1111 108:640 109:2181 110:1274 111:1610 112:901
113:1191 114:939 115:1552 116:1516 117:1359 118:2022
119:1525 120:520 121:1165 122:2274 123:1991 124:1575
125:1747 128:683 129:355 130:425 131:1300 132:603
133:170 134:449 135:117 136:345 137:320 138:1635
139:201 140:248 141:466 142:639 143:771 144:587
145:151 146:843 147:606 148:1408 149:452 150:636
151:806 152:567 153:266 154:528 155:907 156:451
157:419 158:348 159:1067 160:420 161:702 162:2230
163:527 164:709 165:1100 166:316 167:943 168:1353
169:562 170:1483 171:264 172:393 173:1590 174:713
175:815 176:1490 177:4039 178:2223 179:1068 180:2067
181:1630 182:1921 183:668 184:762 185:5334 186:2991
187:1863 188:2133 189:1720 190:7594 191:1286 192:8757
193:5725 194:4307 195:3719 196:2275 197:1103 198:5500
199:5526 200:6746 201:3467 202:9997 203:9350 204:4567
205:2726 206:2966 207:3041 208:4011 209:3973 210:3769
211:2019 212:2619 213:2169 214:824 215:73 216:5705
217:1890 218:740 219:557 220:1636 221:846 222:665
223:892
End of report
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