[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 9 18:12:16 UTC 2015
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,
CaribNOG and the RIPE Routing Working Group.
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 10 Jan, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 525347
Prefixes after maximum aggregation (per Origin AS): 201896
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 256875
Total ASes present in the Internet Routing Table: 49026
Prefixes per ASN: 10.72
Origin-only ASes present in the Internet Routing Table: 36384
Origin ASes announcing only one prefix: 16299
Transit ASes present in the Internet Routing Table: 6209
Transit-only ASes present in the Internet Routing Table: 173
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 107
Max AS path prepend of ASN ( 55644) 100
Prefixes from unregistered ASNs in the Routing Table: 1623
Unregistered ASNs in the Routing Table: 422
Number of 32-bit ASNs allocated by the RIRs: 8322
Number of 32-bit ASNs visible in the Routing Table: 6433
Prefixes from 32-bit ASNs in the Routing Table: 23156
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 401
Number of addresses announced to Internet: 2719145860
Equivalent to 162 /8s, 18 /16s and 223 /24s
Percentage of available address space announced: 73.4
Percentage of allocated address space announced: 73.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.1
Total number of prefixes smaller than registry allocations: 176964
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 130059
Total APNIC prefixes after maximum aggregation: 37934
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 134952
Unique aggregates announced from the APNIC address blocks: 55075
APNIC Region origin ASes present in the Internet Routing Table: 5010
APNIC Prefixes per ASN: 26.94
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 861
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 107
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1241
Number of APNIC addresses announced to Internet: 740849792
Equivalent to 44 /8s, 40 /16s and 120 /24s
Percentage of available APNIC address space announced: 86.6
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: 174417
Total ARIN prefixes after maximum aggregation: 86316
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 176340
Unique aggregates announced from the ARIN address blocks: 82430
ARIN Region origin ASes present in the Internet Routing Table: 16418
ARIN Prefixes per ASN: 10.74
ARIN Region origin ASes announcing only one prefix: 6074
ARIN Region transit ASes present in the Internet Routing Table: 1713
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 311
Number of ARIN addresses announced to Internet: 1055687168
Equivalent to 62 /8s, 236 /16s and 130 /24s
Percentage of available ARIN address space announced: 55.8
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, 393216-394239
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: 125943
Total RIPE prefixes after maximum aggregation: 63692
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 132016
Unique aggregates announced from the RIPE address blocks: 82815
RIPE Region origin ASes present in the Internet Routing Table: 17833
RIPE Prefixes per ASN: 7.40
RIPE Region origin ASes announcing only one prefix: 8158
RIPE Region transit ASes present in the Internet Routing Table: 2930
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3333
Number of RIPE addresses announced to Internet: 692667524
Equivalent to 41 /8s, 73 /16s and 68 /24s
Percentage of available RIPE address space announced: 100.7
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, 196608-202239
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: 59140
Total LACNIC prefixes after maximum aggregation: 10937
LACNIC Deaggregation factor: 5.41
Prefixes being announced from the LACNIC address blocks: 68189
Unique aggregates announced from the LACNIC address blocks: 31219
LACNIC Region origin ASes present in the Internet Routing Table: 2395
LACNIC Prefixes per ASN: 28.47
LACNIC Region origin ASes announcing only one prefix: 645
LACNIC Region transit ASes present in the Internet Routing Table: 471
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1464
Number of LACNIC addresses announced to Internet: 167448448
Equivalent to 9 /8s, 251 /16s and 15 /24s
Percentage of available LACNIC address space announced: 99.8
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: 12518
Total AfriNIC prefixes after maximum aggregation: 2973
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 13449
Unique aggregates announced from the AfriNIC address blocks: 4979
AfriNIC Region origin ASes present in the Internet Routing Table: 734
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 153
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 84
Number of AfriNIC addresses announced to Internet: 60960512
Equivalent to 3 /8s, 162 /16s and 47 /24s
Percentage of available AfriNIC address space announced: 60.6
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
4766 2915 11556 911 Korea Telecom
17974 2825 904 77 PT Telekomunikasi Indonesia
7545 2495 336 128 TPG Telecom Limited
4755 1931 418 191 TATA Communications formerly
4538 1757 4190 71 China Education and Research
9829 1675 1323 28 National Internet Backbone
9808 1523 6719 19 Guangdong Mobile Communicatio
4808 1441 2205 433 CNCGROUP IP network China169
9583 1388 115 571 Sify Limited
9498 1300 336 97 BHARTI Airtel Ltd.
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 2931 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2560 10684 473 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1854 1825 450 Charter Communications
6983 1626 867 245 EarthLink, Inc.
4323 1623 1037 408 tw telecom holdings, inc.
30036 1511 312 574 Mediacom Communications Corp
701 1412 11278 696 MCI Communications Services,
22561 1339 411 241 CenturyTel Internet Holdings,
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
34984 1933 300 356 TELLCOM ILETISIM HIZMETLERI A
20940 1540 598 1136 Akamai International B.V.
8402 1445 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1036 97 54 TOV "Bank-Inform"
8551 905 373 48 Bezeq International-Ltd
9198 859 349 26 JSC Kazakhtelecom
12479 830 794 85 France Telecom Espana SA
6830 824 2340 444 Liberty Global Operations B.V
9121 599 1693 22 Turk Telekomunikasyon Anonim
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 3055 495 247 Telmex Colombia S.A.
28573 2317 2127 114 NET Serviços de Comunicação S
6147 1790 374 30 Telefonica del Peru S.A.A.
7303 1768 1172 237 Telecom Argentina S.A.
8151 1486 3054 431 Uninet S.A. de C.V.
6503 1227 417 57 Axtel, S.A.B. de C.V.
7738 1000 1882 42 Telemar Norte Leste S.A.
3816 914 396 148 COLOMBIA TELECOMUNICACIONES S
26615 913 2325 35 Tim Celular S.A.
27947 890 129 50 Telconet 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 1486 958 13 TE-AS
24863 951 284 26 Link Egypt (Link.NET)
36903 482 243 89 Office National des Postes et
36992 369 845 30 ETISALAT MISR
37492 347 145 64 Orange Tunisie
24835 295 144 9 Vodafone Data
3741 248 921 213 Internet Solutions
29571 233 21 12 Cote d'Ivoire Telecom
36947 197 807 13 Telecom Algeria
15706 176 32 6 Sudatel (Sudan Telecom Co. Lt
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
10620 3055 495 247 Telmex Colombia S.A.
22773 2931 2955 141 Cox Communications Inc.
4766 2915 11556 911 Korea Telecom
6389 2891 3688 51 BellSouth.net Inc.
17974 2825 904 77 PT Telekomunikasi Indonesia
3356 2560 10684 473 Level 3 Communications, Inc.
7545 2495 336 128 TPG Telecom Limited
28573 2317 2127 114 NET Serviços de Comunicação S
18566 2042 379 183 MegaPath Corporation
34984 1933 300 356 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2891 2840 BellSouth.net Inc.
22773 2931 2790 Cox Communications Inc.
17974 2825 2748 PT Telekomunikasi Indonesia
7545 2495 2367 TPG Telecom Limited
28573 2317 2203 NET Serviços de Comunicação S
3356 2560 2087 Level 3 Communications, Inc.
4766 2915 2004 Korea Telecom
18566 2042 1859 MegaPath Corporation
6147 1790 1760 Telefonica del Peru S.A.A.
4755 1931 1740 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
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
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 6461 Abovenet Communicati
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
5.100.241.0/24 23456 32bit Transition AS
23.92.160.0/24 14013 EPSON America (Factory Automa
23.92.161.0/24 14013 EPSON America (Factory Automa
23.252.224.0/20 62502 >>UNKNOWN<<
23.252.224.0/21 62502 >>UNKNOWN<<
23.252.232.0/21 62502 >>UNKNOWN<<
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>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 /9:12 /10:31 /11:92 /12:265
/13:502 /14:997 /15:1726 /16:13047 /17:7178 /18:11969
/19:24822 /20:35620 /21:38222 /22:56653 /23:49225 /24:282014
/25:1143 /26:1083 /27:679 /28:17 /29:15 /30:10
/31:0 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2145 2931 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1358 1511 Mediacom Communications Corp
6147 1333 1790 Telefonica del Peru S.A.A.
6983 1312 1626 EarthLink, Inc.
34984 1238 1933 TELLCOM ILETISIM HIZMETLERI A
11492 1123 1182 CABLE ONE, INC.
8402 1109 1445 OJSC "Vimpelcom"
10620 1090 3055 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1415 2:672 3:3 4:95 5:1208 6:21
8:1407 11:1 12:1838 13:4 14:1235 15:17
16:2 17:45 18:21 20:51 23:1087 24:1669
27:1816 31:1472 32:39 33:2 34:5 35:1
36:138 37:1871 38:968 39:14 40:228 41:3035
42:288 43:885 44:21 45:86 46:2137 47:32
49:730 50:783 52:12 54:60 55:8 56:8
57:33 58:1119 59:677 60:451 61:1752 62:1283
63:1886 64:4395 65:2262 66:4070 67:2004 68:1037
69:3248 70:908 71:426 72:1962 74:2617 75:314
76:410 77:1366 78:1055 79:784 80:1322 81:1303
82:796 83:670 84:677 85:1307 86:382 87:1199
88:522 89:1770 90:138 91:5878 92:785 93:1678
94:1936 95:1418 96:420 97:338 98:1046 99:48
100:70 101:799 103:6447 104:972 105:110 106:199
107:890 108:610 109:2037 110:1059 111:1462 112:745
113:958 114:802 115:1244 116:1319 117:1037 118:1672
119:1393 120:439 121:1020 122:2196 123:1715 124:1470
125:1523 128:643 129:373 130:384 131:1081 132:446
133:167 134:389 135:88 136:331 137:300 138:387
139:177 140:224 141:421 142:619 143:444 144:511
145:111 146:705 147:569 148:1062 149:406 150:542
151:594 152:473 153:245 154:289 155:667 156:392
157:331 158:260 159:949 160:369 161:631 162:1861
163:371 164:647 165:662 166:322 167:710 168:1159
169:135 170:1427 171:221 172:50 173:1566 174:705
175:598 176:1480 177:3682 178:2098 179:810 180:1849
181:1695 182:1695 183:574 184:728 185:2609 186:2940
187:1688 188:2000 189:1550 190:7898 191:837 192:7977
193:5561 194:4062 195:3631 196:1694 197:867 198:5460
199:5495 200:6544 201:2963 202:9509 203:9025 204:4655
205:2703 206:3003 207:2969 208:3908 209:3853 210:3492
211:1836 212:2528 213:2257 214:839 215:77 216:5526
217:1764 218:663 219:457 220:1316 221:783 222:460
223:680
End of report
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