[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 22 18:10:58 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 23 Jan, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 579746
Prefixes after maximum aggregation (per Origin AS): 214134
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 282531
Total ASes present in the Internet Routing Table: 52577
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 36609
Origin ASes announcing only one prefix: 15838
Transit ASes present in the Internet Routing Table: 6413
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: 37
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 1056
Unregistered ASNs in the Routing Table: 366
Number of 32-bit ASNs allocated by the RIRs: 12449
Number of 32-bit ASNs visible in the Routing Table: 9555
Prefixes from 32-bit ASNs in the Routing Table: 36644
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: 417
Number of addresses announced to Internet: 2802443204
Equivalent to 167 /8s, 9 /16s and 227 /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: 190414
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 147851
Total APNIC prefixes after maximum aggregation: 40754
APNIC Deaggregation factor: 3.63
Prefixes being announced from the APNIC address blocks: 156774
Unique aggregates announced from the APNIC address blocks: 63465
APNIC Region origin ASes present in the Internet Routing Table: 5127
APNIC Prefixes per ASN: 30.58
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: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1815
Number of APNIC addresses announced to Internet: 751777924
Equivalent to 44 /8s, 207 /16s and 56 /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: 180927
Total ARIN prefixes after maximum aggregation: 89114
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185146
Unique aggregates announced from the ARIN address blocks: 86893
ARIN Region origin ASes present in the Internet Routing Table: 16447
ARIN Prefixes per ASN: 11.26
ARIN Region origin ASes announcing only one prefix: 5921
ARIN Region transit ASes present in the Internet Routing Table: 1707
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: 952
Number of ARIN addresses announced to Internet: 1101450176
Equivalent to 65 /8s, 166 /16s and 203 /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: 139183
Total RIPE prefixes after maximum aggregation: 69135
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 147347
Unique aggregates announced from the RIPE address blocks: 91063
RIPE Region origin ASes present in the Internet Routing Table: 18051
RIPE Prefixes per ASN: 8.16
RIPE Region origin ASes announcing only one prefix: 7951
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: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4388
Number of RIPE addresses announced to Internet: 702693760
Equivalent to 41 /8s, 226 /16s and 65 /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: 60979
Total LACNIC prefixes after maximum aggregation: 11925
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 74275
Unique aggregates announced from the LACNIC address blocks: 34519
LACNIC Region origin ASes present in the Internet Routing Table: 2471
LACNIC Prefixes per ASN: 30.06
LACNIC Region origin ASes announcing only one prefix: 592
LACNIC Region transit ASes present in the Internet Routing Table: 547
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2217
Number of LACNIC addresses announced to Internet: 170578688
Equivalent to 10 /8s, 42 /16s and 211 /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: 14081
Total AfriNIC prefixes after maximum aggregation: 3166
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 15787
Unique aggregates announced from the AfriNIC address blocks: 6245
AfriNIC Region origin ASes present in the Internet Routing Table: 734
AfriNIC Prefixes per ASN: 21.51
AfriNIC Region origin ASes announcing only one prefix: 191
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: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 183
Number of AfriNIC addresses announced to Internet: 75555584
Equivalent to 4 /8s, 128 /16s and 227 /24s
Percentage of available AfriNIC address space announced: 75.1
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 3138 348 162 TPG Telecom Limited
4766 3115 11143 1094 Korea Telecom
17974 2855 914 96 PT Telekomunikasi Indonesia
9829 2316 1435 385 National Internet Backbone
4755 2077 432 234 TATA Communications formerly
9808 1763 8717 29 Guangdong Mobile Communicatio
4808 1620 2280 509 CNCGROUP IP network China169
9583 1515 121 560 Sify Limited
38197 1426 89 202 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 3297 2949 147 Cox Communications Inc.
3356 2601 10692 532 Level 3 Communications, Inc.
6389 2475 3687 42 BellSouth.net Inc.
18566 2209 394 277 MegaPath Corporation
20115 1906 1908 409 Charter Communications
6983 1696 849 238 EarthLink, Inc.
30036 1671 332 350 Mediacom Communications Corp
4323 1585 1021 395 tw telecom holdings, inc.
209 1470 4339 1233 Qwest Communications Company,
701 1389 11450 657 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 2342 924 1669 Akamai International B.V.
34984 1939 322 414 TELLCOM ILETISIM HIZMETLERI A
8551 1225 376 53 Bezeq International-Ltd
12479 1099 965 81 France Telecom Espana SA
8402 1084 544 15 OJSC "Vimpelcom"
13188 1077 97 78 TOV "Bank-Inform"
31148 1043 48 42 Freenet Ltd.
9198 974 352 24 JSC Kazakhtelecom
6830 895 2712 465 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 3413 540 146 Telmex Colombia S.A.
8151 2176 3386 519 Uninet S.A. de C.V.
7303 1588 943 243 Telecom Argentina S.A.
11830 1434 366 25 Instituto Costarricense de El
6503 1399 437 56 Axtel, S.A.B. de C.V.
28573 1072 2171 156 NET Serviços de Comunicação S
6147 1036 376 34 Telefonica del Peru S.A.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 984 460 182 COLOMBIA TELECOMUNICACIONES S
26615 937 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 1294 1472 15 TE-AS
24863 1176 403 36 Link Egypt (Link.NET)
37611 590 40 41 Afrihost-Brevis Computer Serv
36903 552 278 103 Office National des Postes et
36992 455 1237 34 ETISALAT MISR
37492 355 213 63 Orange Tunisie
24835 331 146 12 Vodafone Data
29571 265 21 11 Cote d'Ivoire Telecom
3741 221 837 183 Internet Solutions
36947 176 807 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 5599 4192 76 China Education and Research
10620 3413 540 146 Telmex Colombia S.A.
22773 3297 2949 147 Cox Communications Inc.
7545 3138 348 162 TPG Telecom Limited
4766 3115 11143 1094 Korea Telecom
17974 2855 914 96 PT Telekomunikasi Indonesia
3356 2601 10692 532 Level 3 Communications, Inc.
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2475 3687 42 BellSouth.net Inc.
20940 2342 924 1669 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 3413 3267 Telmex Colombia S.A.
22773 3297 3150 Cox Communications Inc.
7545 3138 2976 TPG Telecom Limited
17974 2855 2759 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2475 2433 BellSouth.net Inc.
3356 2601 2069 Level 3 Communications, Inc.
4766 3115 2021 Korea Telecom
18566 2209 1932 MegaPath Corporation
9829 2316 1931 National Internet Backbone
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 /11:101 /12:265
/13:507 /14:1015 /15:1750 /16:12967 /17:7441 /18:12623
/19:25573 /20:37986 /21:40093 /22:64083 /23:55571 /24:318140
/25:543 /26:570 /27:391 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2479 3297 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2111 2209 MegaPath Corporation
6389 1542 2475 BellSouth.net Inc.
30036 1488 1671 Mediacom Communications Corp
6983 1342 1696 EarthLink, Inc.
10620 1295 3413 Telmex Colombia S.A.
34984 1228 1939 TELLCOM ILETISIM HIZMETLERI A
11492 1157 1249 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)
----------------------------------------------
1:1616 2:673 4:101 5:2078 6:26 8:1432
12:1784 13:34 14:1621 15:22 16:2 17:58
18:19 20:48 22:1 23:1351 24:1749 27:2229
31:1718 32:54 33:2 34:4 35:5 36:210
37:2341 38:1132 39:23 40:81 41:3112 42:378
43:1686 44:38 45:1652 46:2396 47:67 49:1092
50:829 51:3 52:38 54:138 55:3 56:8
57:44 58:1473 59:846 60:533 61:1777 62:1438
63:1927 64:4464 65:2181 66:4085 67:2104 68:1101
69:3289 70:1044 71:462 72:1982 74:2540 75:359
76:422 77:1368 78:1276 79:807 80:1312 81:1355
82:859 83:673 84:788 85:1555 86:458 87:1043
88:548 89:1930 90:165 91:5981 92:872 93:2310
94:2261 95:2263 96:472 97:351 98:943 99:45
100:75 101:882 103:9473 104:2211 105:95 106:377
107:1122 108:648 109:2183 110:1265 111:1590 112:908
113:1221 114:1034 115:1588 116:1511 117:1383 118:2018
119:1538 120:508 121:1165 122:2281 123:2019 124:1584
125:1736 128:677 129:358 130:423 131:1288 132:597
133:171 134:452 135:118 136:345 137:323 138:1631
139:198 140:252 141:468 142:624 143:821 144:591
145:151 146:837 147:609 148:1413 149:453 150:640
151:811 152:588 153:268 154:521 155:914 156:456
157:423 158:344 159:1075 160:419 161:718 162:2251
163:530 164:720 165:1104 166:316 167:976 168:1373
169:579 170:1483 171:263 172:406 173:1598 174:712
175:830 176:1509 177:4005 178:2227 179:1073 180:2028
181:1643 182:1922 183:670 184:778 185:5479 186:3045
187:1926 188:2129 189:1744 190:7585 191:1286 192:8829
193:5732 194:4327 195:3717 196:1601 197:1229 198:5504
199:5551 200:6812 201:3680 202:9966 203:9360 204:4582
205:2722 206:2976 207:3026 208:4018 209:3966 210:3777
211:2008 212:2621 213:2141 214:808 215:73 216:5693
217:1901 218:744 219:558 220:1643 221:848 222:671
223:914
End of report
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