[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 5 18:11:18 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 06 Feb, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 579829
Prefixes after maximum aggregation (per Origin AS): 214286
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 283493
Total ASes present in the Internet Routing Table: 52687
Prefixes per ASN: 11.01
Origin-only ASes present in the Internet Routing Table: 36566
Origin ASes announcing only one prefix: 15809
Transit ASes present in the Internet Routing Table: 6420
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: 40
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1025
Unregistered ASNs in the Routing Table: 366
Number of 32-bit ASNs allocated by the RIRs: 12626
Number of 32-bit ASNs visible in the Routing Table: 9701
Prefixes from 32-bit ASNs in the Routing Table: 37199
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: 426
Number of addresses announced to Internet: 2803186500
Equivalent to 167 /8s, 21 /16s and 59 /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: 98.0
Total number of prefixes smaller than registry allocations: 190503
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 148486
Total APNIC prefixes after maximum aggregation: 40921
APNIC Deaggregation factor: 3.63
Prefixes being announced from the APNIC address blocks: 157427
Unique aggregates announced from the APNIC address blocks: 63676
APNIC Region origin ASes present in the Internet Routing Table: 5133
APNIC Prefixes per ASN: 30.67
APNIC Region origin ASes announcing only one prefix: 1186
APNIC Region transit ASes present in the Internet Routing Table: 900
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1850
Number of APNIC addresses announced to Internet: 751833732
Equivalent to 44 /8s, 208 /16s and 18 /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: 179072
Total ARIN prefixes after maximum aggregation: 88754
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 183681
Unique aggregates announced from the ARIN address blocks: 87066
ARIN Region origin ASes present in the Internet Routing Table: 16412
ARIN Prefixes per ASN: 11.19
ARIN Region origin ASes announcing only one prefix: 5897
ARIN Region transit ASes present in the Internet Routing Table: 1706
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: 987
Number of ARIN addresses announced to Internet: 1101651264
Equivalent to 65 /8s, 169 /16s and 221 /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: 139378
Total RIPE prefixes after maximum aggregation: 69396
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 147515
Unique aggregates announced from the RIPE address blocks: 91400
RIPE Region origin ASes present in the Internet Routing Table: 18044
RIPE Prefixes per ASN: 8.18
RIPE Region origin ASes announcing only one prefix: 7942
RIPE Region transit ASes present in the Internet Routing Table: 3023
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: 4425
Number of RIPE addresses announced to Internet: 702822272
Equivalent to 41 /8s, 228 /16s and 55 /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: 61311
Total LACNIC prefixes after maximum aggregation: 11995
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 74693
Unique aggregates announced from the LACNIC address blocks: 34773
LACNIC Region origin ASes present in the Internet Routing Table: 2467
LACNIC Prefixes per ASN: 30.28
LACNIC Region origin ASes announcing only one prefix: 590
LACNIC Region transit ASes present in the Internet Routing Table: 546
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2256
Number of LACNIC addresses announced to Internet: 170714368
Equivalent to 10 /8s, 44 /16s and 229 /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: 14306
Total AfriNIC prefixes after maximum aggregation: 3180
AfriNIC Deaggregation factor: 4.50
Prefixes being announced from the AfriNIC address blocks: 16087
Unique aggregates announced from the AfriNIC address blocks: 6214
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 21.80
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 170
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: 183
Number of AfriNIC addresses announced to Internet: 75766272
Equivalent to 4 /8s, 132 /16s and 26 /24s
Percentage of available AfriNIC address space announced: 75.3
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 5594 4192 76 China Education and Research
4766 3129 11144 1101 Korea Telecom
7545 3048 347 165 TPG Telecom Limited
17974 2874 914 96 PT Telekomunikasi Indonesia
9829 2330 1438 396 National Internet Backbone
4755 2081 432 237 TATA Communications formerly
9808 1837 8717 29 Guangdong Mobile Communicatio
4808 1619 2281 513 CNCGROUP IP network China169
9583 1516 121 560 Sify Limited
17488 1451 232 227 Hathway IP Over Cable Interne
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 3302 2949 149 Cox Communications Inc.
6389 2412 3687 42 BellSouth.net Inc.
18566 2210 394 278 MegaPath Corporation
20115 1909 1914 411 Charter Communications
6983 1699 849 238 EarthLink, Inc.
30036 1677 334 327 Mediacom Communications Corp
4323 1586 1023 395 tw telecom holdings, inc.
209 1471 4340 1234 Qwest Communications Company,
701 1393 11453 661 MCI Communications Services,
11492 1249 237 601 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 2355 926 1680 Akamai International B.V.
34984 1945 322 414 TELLCOM ILETISIM HIZMETLERI A
8551 1224 376 53 Bezeq International-Ltd
8402 1150 544 15 OJSC "Vimpelcom"
12479 1141 982 75 France Telecom Espana SA
13188 1077 97 78 TOV "Bank-Inform"
31148 1041 47 41 Freenet Ltd.
9198 910 352 24 JSC Kazakhtelecom
6830 893 2712 463 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 3429 542 139 Telmex Colombia S.A.
8151 2179 3391 526 Uninet S.A. de C.V.
7303 1589 943 243 Telecom Argentina S.A.
11830 1437 366 25 Instituto Costarricense de El
6503 1396 437 56 Axtel, S.A.B. de C.V.
6147 1038 377 27 Telefonica del Peru S.A.A.
28573 1037 2171 155 NET Serviços de Comunicação S
7738 994 1882 41 Telemar Norte Leste S.A.
26615 992 2325 34 Tim Celular S.A.
3816 987 479 182 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 1342 1472 15 TE-AS
24863 1126 401 28 Link Egypt (Link.NET)
37611 597 40 46 Afrihost-Brevis Computer Serv
36903 552 278 103 Office National des Postes et
36992 453 1235 28 ETISALAT MISR
37492 358 215 64 Orange Tunisie
24835 332 146 12 Vodafone Data
29571 266 21 12 Cote d'Ivoire Telecom
37054 254 20 7 Data Telecom Service
2018 225 323 73 TENET (The UNINET Project)
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 5594 4192 76 China Education and Research
10620 3429 542 139 Telmex Colombia S.A.
22773 3302 2949 149 Cox Communications Inc.
4766 3129 11144 1101 Korea Telecom
7545 3048 347 165 TPG Telecom Limited
17974 2874 914 96 PT Telekomunikasi Indonesia
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2412 3687 42 BellSouth.net Inc.
20940 2355 926 1680 Akamai International B.V.
9829 2330 1438 396 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 3429 3290 Telmex Colombia S.A.
22773 3302 3153 Cox Communications Inc.
7545 3048 2883 TPG Telecom Limited
17974 2874 2778 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2412 2370 BellSouth.net Inc.
4766 3129 2028 Korea Telecom
9829 2330 1934 National Internet Backbone
18566 2210 1932 MegaPath Corporation
4755 2081 1844 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
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.
17033 UNALLOCATED 12.3.33.0/24 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 /11:101 /12:265
/13:510 /14:1018 /15:1751 /16:12962 /17:7466 /18:12578
/19:25687 /20:38019 /21:39893 /22:64306 /23:55295 /24:318342
/25:541 /26:573 /27:396 /28:15 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2482 3302 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2112 2210 MegaPath Corporation
6389 1531 2412 BellSouth.net Inc.
30036 1493 1677 Mediacom Communications Corp
6983 1343 1699 EarthLink, Inc.
10620 1310 3429 Telmex Colombia S.A.
34984 1232 1945 TELLCOM ILETISIM HIZMETLERI A
11492 1157 1249 CABLE ONE, INC.
31148 960 1041 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1601 2:727 4:19 5:2086 6:26 8:907
12:1789 13:34 14:1590 15:23 16:2 17:58
18:20 20:48 22:1 23:1364 24:1739 27:2228
31:1723 32:54 33:2 34:2 35:4 36:212
37:2328 38:1162 39:23 40:81 41:3107 42:370
43:1667 44:41 45:1644 46:2396 47:67 49:1114
50:844 51:3 52:40 54:138 55:5 56:6
57:44 58:1475 59:855 60:543 61:1779 62:1427
63:1908 64:4440 65:2178 66:4079 67:2080 68:1100
69:3293 70:1044 71:463 72:1981 74:2542 75:358
76:420 77:1319 78:1275 79:799 80:1304 81:1361
82:869 83:670 84:794 85:1580 86:465 87:1040
88:547 89:1916 90:163 91:6020 92:863 93:2319
94:2279 95:2258 96:472 97:352 98:946 99:45
100:68 101:888 103:9584 104:2225 105:98 106:380
107:1131 108:651 109:2113 110:1247 111:1608 112:940
113:1199 114:1111 115:1616 116:1520 117:1402 118:2008
119:1542 120:511 121:1165 122:2261 123:1991 124:1602
125:1747 128:700 129:361 130:423 131:1286 132:598
133:173 134:448 135:120 136:347 137:330 138:1662
139:199 140:248 141:472 142:625 143:825 144:581
145:150 146:830 147:592 148:1470 149:456 150:648
151:825 152:592 153:268 154:559 155:896 156:462
157:425 158:343 159:1082 160:420 161:741 162:2263
163:524 164:721 165:1102 166:313 167:988 168:1474
169:585 170:1493 171:251 172:416 173:1610 174:712
175:857 176:1516 177:3934 178:2227 179:1078 180:2086
181:1639 182:1925 183:679 184:791 185:5632 186:3047
187:1951 188:2061 189:1754 190:7597 191:1254 192:8860
193:5724 194:4332 195:3707 196:1640 197:1313 198:5504
199:5561 200:6841 201:3692 202:9996 203:9376 204:4589
205:2712 206:2977 207:3038 208:4031 209:3893 210:3782
211:2005 212:2558 213:2153 214:825 215:72 216:5702
217:1878 218:740 219:560 220:1639 221:847 222:672
223:918
End of report
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