[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 27 18:10:34 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 28 May, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 594503
Prefixes after maximum aggregation (per Origin AS): 217631
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 291513
Total ASes present in the Internet Routing Table: 53890
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 36576
Origin ASes announcing only one prefix: 15650
Transit ASes present in the Internet Routing Table: 6452
Transit-only ASes present in the Internet Routing Table: 170
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 1029
Unregistered ASNs in the Routing Table: 368
Number of 32-bit ASNs allocated by the RIRs: 14035
Number of 32-bit ASNs visible in the Routing Table: 10862
Prefixes from 32-bit ASNs in the Routing Table: 42481
Number of bogon 32-bit ASNs visible in the Routing Table: 7
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 362
Number of addresses announced to Internet: 2808989828
Equivalent to 167 /8s, 109 /16s and 200 /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: 98.2
Total number of prefixes smaller than registry allocations: 193849
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 152413
Total APNIC prefixes after maximum aggregation: 42506
APNIC Deaggregation factor: 3.59
Prefixes being announced from the APNIC address blocks: 163652
Unique aggregates announced from the APNIC address blocks: 67122
APNIC Region origin ASes present in the Internet Routing Table: 5193
APNIC Prefixes per ASN: 31.51
APNIC Region origin ASes announcing only one prefix: 1187
APNIC Region transit ASes present in the Internet Routing Table: 919
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 54
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2096
Number of APNIC addresses announced to Internet: 754412868
Equivalent to 44 /8s, 247 /16s and 109 /24s
Percentage of available APNIC address space announced: 88.2
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: 181275
Total ARIN prefixes after maximum aggregation: 89149
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 186737
Unique aggregates announced from the ARIN address blocks: 88167
ARIN Region origin ASes present in the Internet Routing Table: 16356
ARIN Prefixes per ASN: 11.42
ARIN Region origin ASes announcing only one prefix: 5828
ARIN Region transit ASes present in the Internet Routing Table: 1715
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1237
Number of ARIN addresses announced to Internet: 1099642048
Equivalent to 65 /8s, 139 /16s and 52 /24s
Percentage of available ARIN address space announced: 58.2
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, 393216-397212
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: 142652
Total RIPE prefixes after maximum aggregation: 70520
RIPE Deaggregation factor: 2.02
Prefixes being announced from the RIPE address blocks: 151964
Unique aggregates announced from the RIPE address blocks: 94043
RIPE Region origin ASes present in the Internet Routing Table: 18075
RIPE Prefixes per ASN: 8.41
RIPE Region origin ASes announcing only one prefix: 7878
RIPE Region transit ASes present in the Internet Routing Table: 3012
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4806
Number of RIPE addresses announced to Internet: 704609664
Equivalent to 41 /8s, 255 /16s and 125 /24s
Percentage of available RIPE address space announced: 102.4
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: 61535
Total LACNIC prefixes after maximum aggregation: 12202
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 75875
Unique aggregates announced from the LACNIC address blocks: 36025
LACNIC Region origin ASes present in the Internet Routing Table: 2473
LACNIC Prefixes per ASN: 30.68
LACNIC Region origin ASes announcing only one prefix: 576
LACNIC Region transit ASes present in the Internet Routing Table: 567
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: 2506
Number of LACNIC addresses announced to Internet: 171169024
Equivalent to 10 /8s, 51 /16s and 213 /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: 14037
Total AfriNIC prefixes after maximum aggregation: 3217
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 15913
Unique aggregates announced from the AfriNIC address blocks: 5825
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 21.62
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 167
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 217
Number of AfriNIC addresses announced to Internet: 78714880
Equivalent to 4 /8s, 177 /16s and 24 /24s
Percentage of available AfriNIC address space announced: 78.2
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 5559 4192 76 China Education and Research
7545 3342 356 223 TPG Telecom Limited
4766 3177 11144 1123 Korea Telecom
17974 2946 914 96 PT Telekomunikasi Indonesia
9829 2522 1479 497 National Internet Backbone
9808 2096 8781 40 Guangdong Mobile Communicatio
4755 2092 431 241 TATA Communications formerly
4808 1701 2301 552 CNCGROUP IP network China169
9583 1510 122 556 Sify Limited
38197 1509 94 218 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 3331 2947 139 Cox Communications Inc.
6389 2298 3671 41 BellSouth.net Inc.
18566 2195 394 275 MegaPath Corporation
20115 1923 1938 403 Charter Communications
209 1695 4971 773 Qwest Communications Company,
30036 1692 336 415 Mediacom Communications Corp
6983 1690 849 232 EarthLink, Inc.
4323 1512 984 372 tw telecom holdings, inc.
701 1297 10718 705 MCI Communications Services,
11492 1283 234 584 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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2595 1002 1863 Akamai International B.V.
34984 1965 326 358 TELLCOM ILETISIM HIZMETLERI A
12479 1229 998 88 France Telecom Espana SA
8551 1220 376 55 Bezeq International-Ltd
6849 1148 355 21 JSC "Ukrtelecom"
8402 1124 544 15 OJSC "Vimpelcom"
13188 1078 98 68 TOV "Bank-Inform"
31148 1024 47 44 Freenet Ltd.
9198 936 352 26 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 3472 541 155 Telmex Colombia S.A.
8151 2258 3425 576 Uninet S.A. de C.V.
7303 1511 940 234 Telecom Argentina S.A.
11830 1476 368 51 Instituto Costarricense de El
6503 1473 437 56 Axtel, S.A.B. de C.V.
6147 1112 377 27 Telefonica del Peru S.A.A.
26615 1007 2325 34 Tim Celular S.A.
3816 1002 479 175 COLOMBIA TELECOMUNICACIONES S
7738 994 1882 40 Telemar Norte Leste S.A.
11172 907 125 77 Alestra, S. de R.L. de C.V.
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 1087 402 44 Link Egypt (Link.NET)
37611 639 48 2 Afrihost-Brevis Computer Serv
36903 626 315 103 Office National des Postes et
36992 509 1359 27 ETISALAT MISR
8452 489 1472 15 TE-AS
37492 395 234 68 Orange Tunisie
29571 301 37 13 Cote d'Ivoire Telecom
24835 294 466 14 Vodafone Data
15399 285 35 10 Wananchi Group (Kenya) Limite
2018 257 327 74 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 5559 4192 76 China Education and Research
10620 3472 541 155 Telmex Colombia S.A.
7545 3342 356 223 TPG Telecom Limited
22773 3331 2947 139 Cox Communications Inc.
4766 3177 11144 1123 Korea Telecom
17974 2946 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2595 1002 1863 Akamai International B.V.
9829 2522 1479 497 National Internet Backbone
6389 2298 3671 41 BellSouth.net Inc.
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 3472 3317 Telmex Colombia S.A.
22773 3331 3192 Cox Communications Inc.
7545 3342 3119 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2946 2850 PT Telekomunikasi Indonesia
6389 2298 2257 BellSouth.net Inc.
9808 2096 2056 Guangdong Mobile Communicatio
4766 3177 2054 Korea Telecom
9829 2522 2025 National Internet Backbone
18566 2195 1920 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
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 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/22 32787 Prolexic Technologie
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<<
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<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
41.73.7.0/24 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
/13:514 /14:1036 /15:1763 /16:13043 /17:7609 /18:12712
/19:25937 /20:38001 /21:39713 /22:65681 /23:57477 /24:328881
/25:560 /26:598 /27:419 /28:48 /29:32 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2557 3331 Cox Communications Inc.
18566 2097 2195 MegaPath Corporation
30036 1507 1692 Mediacom Communications Corp
6389 1476 2298 BellSouth.net Inc.
10620 1376 3472 Telmex Colombia S.A.
6983 1340 1690 EarthLink, Inc.
34984 1249 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1186 1283 CABLE ONE, INC.
6849 968 1148 JSC "Ukrtelecom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1575 2:748 4:20 5:2065 6:31 8:962
12:1779 13:39 14:1699 15:45 16:2 17:84
18:90 20:48 22:1 23:1514 24:1763 27:2275
31:1767 32:59 33:2 34:2 35:5 36:292
37:2231 38:1221 39:25 40:91 41:2826 42:397
43:1724 44:43 45:1938 46:2493 47:78 49:1168
50:875 51:33 52:195 54:331 55:7 56:7
57:42 58:1529 59:886 60:344 61:1823 62:1499
63:1936 64:4445 65:2164 66:4255 67:2193 68:1093
69:3293 70:1156 71:474 72:2006 74:2536 75:346
76:349 77:1375 78:1298 79:845 80:1274 81:1352
82:948 83:698 84:831 85:1578 86:480 87:1057
88:563 89:2000 90:172 91:6036 92:914 93:2323
94:2385 95:2314 96:499 97:359 98:937 99:46
100:75 101:1044 103:10902 104:2448 105:125 106:405
107:1181 108:669 109:2195 110:1241 111:1639 112:1012
113:1169 114:1060 115:1613 116:1580 117:1439 118:2065
119:1626 120:930 121:1178 122:2178 123:2023 124:1576
125:1730 128:735 129:400 130:418 131:1321 132:620
133:176 134:455 135:127 136:373 137:348 138:1729
139:274 140:543 141:459 142:639 143:896 144:696
145:159 146:872 147:631 148:1481 149:507 150:645
151:883 152:618 153:285 154:632 155:934 156:503
157:444 158:337 159:1119 160:488 161:715 162:2321
163:548 164:884 165:1033 166:320 167:1147 168:1873
169:662 170:1612 171:263 172:571 173:1643 174:746
175:723 176:1744 177:3927 178:2209 179:1129 180:2042
181:1772 182:1862 183:980 184:807 185:6515 186:2964
187:2120 188:2116 189:1689 190:7681 191:1209 192:8933
193:5743 194:4384 195:3763 196:1673 197:1073 198:5556
199:5700 200:6937 201:3744 202:10177 203:9643 204:4519
205:2728 206:2986 207:3135 208:4053 209:3873 210:3882
211:2049 212:2676 213:2228 214:852 215:71 216:5793
217:1967 218:797 219:607 220:1689 221:865 222:668
223:1237
End of report
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