Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 16 18:11:25 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 17 Jan, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 526976
Prefixes after maximum aggregation (per Origin AS): 202232
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 257810
Total ASes present in the Internet Routing Table: 49093
Prefixes per ASN: 10.73
Origin-only ASes present in the Internet Routing Table: 36410
Origin ASes announcing only one prefix: 16310
Transit ASes present in the Internet Routing Table: 6195
Transit-only ASes present in the Internet Routing Table: 168
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: 1602
Unregistered ASNs in the Routing Table: 417
Number of 32-bit ASNs allocated by the RIRs: 8376
Number of 32-bit ASNs visible in the Routing Table: 6488
Prefixes from 32-bit ASNs in the Routing Table: 23272
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: 392
Number of addresses announced to Internet: 2719739492
Equivalent to 162 /8s, 27 /16s and 238 /24s
Percentage of available address space announced: 73.5
Percentage of allocated address space announced: 73.5
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: 177721
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 130455
Total APNIC prefixes after maximum aggregation: 38037
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 135324
Unique aggregates announced from the APNIC address blocks: 55288
APNIC Region origin ASes present in the Internet Routing Table: 5016
APNIC Prefixes per ASN: 26.98
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 864
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 107
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1252
Number of APNIC addresses announced to Internet: 741194624
Equivalent to 44 /8s, 45 /16s and 187 /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: 174887
Total ARIN prefixes after maximum aggregation: 86451
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 176802
Unique aggregates announced from the ARIN address blocks: 82742
ARIN Region origin ASes present in the Internet Routing Table: 16434
ARIN Prefixes per ASN: 10.76
ARIN Region origin ASes announcing only one prefix: 6086
ARIN Region transit ASes present in the Internet Routing Table: 1715
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: 322
Number of ARIN addresses announced to Internet: 1055595232
Equivalent to 62 /8s, 235 /16s and 26 /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: 127056
Total RIPE prefixes after maximum aggregation: 63838
RIPE Deaggregation factor: 1.99
Prefixes being announced from the RIPE address blocks: 133202
Unique aggregates announced from the RIPE address blocks: 83191
RIPE Region origin ASes present in the Internet Routing Table: 17829
RIPE Prefixes per ASN: 7.47
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2924
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: 3357
Number of RIPE addresses announced to Internet: 692833412
Equivalent to 41 /8s, 75 /16s and 204 /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: 58714
Total LACNIC prefixes after maximum aggregation: 10894
LACNIC Deaggregation factor: 5.39
Prefixes being announced from the LACNIC address blocks: 67849
Unique aggregates announced from the LACNIC address blocks: 31251
LACNIC Region origin ASes present in the Internet Routing Table: 2391
LACNIC Prefixes per ASN: 28.38
LACNIC Region origin ASes announcing only one prefix: 643
LACNIC Region transit ASes present in the Internet Routing Table: 469
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: 1472
Number of LACNIC addresses announced to Internet: 167684224
Equivalent to 9 /8s, 254 /16s and 168 /24s
Percentage of available LACNIC address space announced: 99.9
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: 12479
Total AfriNIC prefixes after maximum aggregation: 2968
AfriNIC Deaggregation factor: 4.20
Prefixes being announced from the AfriNIC address blocks: 13407
Unique aggregates announced from the AfriNIC address blocks: 4990
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 18.19
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 151
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: 85
Number of AfriNIC addresses announced to Internet: 60936448
Equivalent to 3 /8s, 161 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 60.5
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 2905 11556 910 Korea Telecom
17974 2830 904 77 PT Telekomunikasi Indonesia
7545 2500 336 128 TPG Telecom Limited
4755 1933 418 191 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1675 1323 30 National Internet Backbone
9808 1523 6719 19 Guangdong Mobile Communicatio
4808 1457 2213 435 CNCGROUP IP network China169
9583 1393 115 572 Sify Limited
9498 1292 336 98 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 2930 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2566 10685 478 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1855 1826 448 Charter Communications
6983 1629 867 245 EarthLink, Inc.
4323 1622 1037 408 tw telecom holdings, inc.
30036 1522 316 541 Mediacom Communications Corp
701 1399 11273 686 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 1937 300 359 TELLCOM ILETISIM HIZMETLERI A
20940 1546 603 1147 Akamai International B.V.
8402 1428 544 15 OJSC "Vimpelcom"
6849 1233 356 25 JSC "Ukrtelecom"
13188 1038 97 55 TOV "Bank-Inform"
31148 940 45 41 Freenet Ltd.
8551 904 373 48 Bezeq International-Ltd
9198 853 349 26 JSC Kazakhtelecom
12479 831 793 86 France Telecom Espana SA
6830 825 2340 445 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 3057 495 248 Telmex Colombia S.A.
28573 2320 2130 116 NET Serviços de Comunicação S
6147 1780 374 30 Telefonica del Peru S.A.A.
7303 1768 1172 237 Telecom Argentina S.A.
8151 1489 3080 431 Uninet S.A. de C.V.
6503 1226 417 56 Axtel, S.A.B. de C.V.
7738 1000 1882 42 Telemar Norte Leste S.A.
3816 915 396 148 COLOMBIA TELECOMUNICACIONES S
26615 914 2325 35 Tim Celular S.A.
18881 857 1036 22 Global Village Telecom
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 1497 958 13 TE-AS
24863 951 284 26 Link Egypt (Link.NET)
36903 480 242 90 Office National des Postes et
36992 373 845 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 195 807 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 3057 495 248 Telmex Colombia S.A.
22773 2930 2955 141 Cox Communications Inc.
4766 2905 11556 910 Korea Telecom
6389 2891 3688 51 BellSouth.net Inc.
17974 2830 904 77 PT Telekomunikasi Indonesia
3356 2566 10685 478 Level 3 Communications, Inc.
7545 2500 336 128 TPG Telecom Limited
28573 2320 2130 116 NET Serviços de Comunicação S
18566 2042 379 183 MegaPath Corporation
34984 1937 300 359 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 2930 2789 Cox Communications Inc.
17974 2830 2753 PT Telekomunikasi Indonesia
7545 2500 2372 TPG Telecom Limited
28573 2320 2204 NET Serviços de Comunicação S
3356 2566 2088 Level 3 Communications, Inc.
4766 2905 1995 Korea Telecom
18566 2042 1859 MegaPath Corporation
6147 1780 1750 Telefonica del Peru S.A.A.
4755 1933 1742 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 /14:998 /15:1724 /16:13041 /17:7193 /18:12004
/19:24928 /20:35731 /21:38315 /22:56977 /23:49791 /24:282396
/25:1149 /26:1084 /27:677 /28:15 /29:14 /30:10
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2143 2930 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1367 1522 Mediacom Communications Corp
6147 1323 1780 Telefonica del Peru S.A.A.
6983 1315 1629 EarthLink, Inc.
34984 1241 1937 TELLCOM ILETISIM HIZMETLERI A
11492 1125 1184 CABLE ONE, INC.
8402 1093 1428 OJSC "Vimpelcom"
10620 1090 3057 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1420 2:672 3:1 4:94 5:1216 6:21
8:1403 11:1 12:1839 13:4 14:1253 15:17
16:2 17:45 18:21 20:50 23:1097 24:1673
27:1823 31:1486 32:39 33:2 34:5 35:1
36:130 37:1884 38:969 39:15 40:230 41:3001
42:267 43:915 44:23 45:90 46:2132 47:34
49:781 50:784 52:12 54:66 55:7 56:8
57:32 58:1121 59:674 60:454 61:1747 62:1287
63:1901 64:4400 65:2268 66:4079 67:2009 68:1035
69:3248 70:907 71:427 72:1969 74:2621 75:314
76:411 77:1414 78:1032 79:788 80:1324 81:1300
82:802 83:669 84:673 85:1314 86:384 87:1193
88:522 89:1761 90:139 91:5882 92:794 93:1694
94:1911 95:1396 96:420 97:334 98:1040 99:46
100:70 101:802 103:6517 104:1080 105:109 106:199
107:886 108:607 109:2019 110:1063 111:1469 112:743
113:978 114:808 115:1249 116:1320 117:1031 118:1681
119:1395 120:438 121:1012 122:2173 123:1718 124:1490
125:1523 128:645 129:374 130:382 131:1080 132:449
133:167 134:389 135:86 136:331 137:299 138:396
139:176 140:220 141:411 142:620 143:444 144:515
145:112 146:725 147:547 148:1062 149:395 150:548
151:748 152:485 153:246 154:296 155:676 156:394
157:330 158:263 159:946 160:370 161:631 162:1872
163:372 164:645 165:659 166:322 167:717 168:994
169:140 170:1430 171:223 172:48 173:1583 174:707
175:611 176:1471 177:3692 178:2102 179:819 180:1856
181:1630 182:1699 183:575 184:731 185:2666 186:2830
187:1723 188:2001 189:1553 190:7889 191:813 192:8027
193:5556 194:4057 195:3630 196:1687 197:850 198:5447
199:5512 200:6512 201:2925 202:9491 203:9042 204:4656
205:2724 206:3006 207:2971 208:3931 209:3876 210:3495
211:1836 212:2544 213:2258 214:838 215:73 216:5530
217:1776 218:664 219:460 220:1319 221:784 222:462
223:677
End of report
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