[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 23 18:12:37 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 24 Jan, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 528233
Prefixes after maximum aggregation (per Origin AS): 202606
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 257973
Total ASes present in the Internet Routing Table: 49174
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 36416
Origin ASes announcing only one prefix: 16306
Transit ASes present in the Internet Routing Table: 6219
Transit-only ASes present in the Internet Routing Table: 172
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: 1596
Unregistered ASNs in the Routing Table: 414
Number of 32-bit ASNs allocated by the RIRs: 8418
Number of 32-bit ASNs visible in the Routing Table: 6539
Prefixes from 32-bit ASNs in the Routing Table: 23497
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 380
Number of addresses announced to Internet: 2724441252
Equivalent to 162 /8s, 99 /16s and 172 /24s
Percentage of available address space announced: 73.6
Percentage of allocated address space announced: 73.6
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: 178139
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 130644
Total APNIC prefixes after maximum aggregation: 38088
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 135622
Unique aggregates announced from the APNIC address blocks: 55421
APNIC Region origin ASes present in the Internet Routing Table: 5014
APNIC Prefixes per ASN: 27.05
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 871
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: 1259
Number of APNIC addresses announced to Internet: 741911680
Equivalent to 44 /8s, 56 /16s and 172 /24s
Percentage of available APNIC address space announced: 86.7
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: 175163
Total ARIN prefixes after maximum aggregation: 86557
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 177092
Unique aggregates announced from the ARIN address blocks: 82879
ARIN Region origin ASes present in the Internet Routing Table: 16450
ARIN Prefixes per ASN: 10.77
ARIN Region origin ASes announcing only one prefix: 6088
ARIN Region transit ASes present in the Internet Routing Table: 1718
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: 328
Number of ARIN addresses announced to Internet: 1060431136
Equivalent to 63 /8s, 52 /16s and 229 /24s
Percentage of available ARIN address space announced: 56.1
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: 127767
Total RIPE prefixes after maximum aggregation: 64061
RIPE Deaggregation factor: 1.99
Prefixes being announced from the RIPE address blocks: 133881
Unique aggregates announced from the RIPE address blocks: 82988
RIPE Region origin ASes present in the Internet Routing Table: 17836
RIPE Prefixes per ASN: 7.51
RIPE Region origin ASes announcing only one prefix: 8140
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: 3377
Number of RIPE addresses announced to Internet: 692903044
Equivalent to 41 /8s, 76 /16s and 220 /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: 58578
Total LACNIC prefixes after maximum aggregation: 10891
LACNIC Deaggregation factor: 5.38
Prefixes being announced from the LACNIC address blocks: 67832
Unique aggregates announced from the LACNIC address blocks: 31310
LACNIC Region origin ASes present in the Internet Routing Table: 2394
LACNIC Prefixes per ASN: 28.33
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: 1488
Number of LACNIC addresses announced to Internet: 167735168
Equivalent to 9 /8s, 255 /16s and 111 /24s
Percentage of available LACNIC address space announced: 100.0
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: 12471
Total AfriNIC prefixes after maximum aggregation: 2965
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 13426
Unique aggregates announced from the AfriNIC address blocks: 5037
AfriNIC Region origin ASes present in the Internet Routing Table: 739
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 154
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: 87
Number of AfriNIC addresses announced to Internet: 61018368
Equivalent to 3 /8s, 163 /16s and 17 /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 2887 11556 915 Korea Telecom
17974 2846 905 78 PT Telekomunikasi Indonesia
7545 2506 336 128 TPG Telecom Limited
4755 1938 418 194 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1682 1324 32 National Internet Backbone
9808 1524 6719 19 Guangdong Mobile Communicatio
4808 1458 2214 436 CNCGROUP IP network China169
9583 1393 115 572 Sify Limited
9498 1298 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 2927 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2580 10688 484 Level 3 Communications, Inc.
18566 2043 379 183 MegaPath Corporation
20115 1855 1826 453 Charter Communications
6983 1627 867 245 EarthLink, Inc.
4323 1626 1037 408 tw telecom holdings, inc.
30036 1528 317 532 Mediacom Communications Corp
701 1403 11274 687 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 1944 300 358 TELLCOM ILETISIM HIZMETLERI A
20940 1551 605 1152 Akamai International B.V.
8402 1429 544 15 OJSC "Vimpelcom"
6849 1234 356 25 JSC "Ukrtelecom"
31148 1045 45 21 Freenet Ltd.
13188 1038 97 55 TOV "Bank-Inform"
8551 941 373 48 Bezeq International-Ltd
9198 856 349 25 JSC Kazakhtelecom
12479 838 793 84 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 3068 497 225 Telmex Colombia S.A.
28573 2331 2134 114 NET Serviços de Comunicação S
6147 1822 374 30 Telefonica del Peru S.A.A.
7303 1774 1172 237 Telecom Argentina S.A.
8151 1491 3084 431 Uninet S.A. de C.V.
6503 1221 417 56 Axtel, S.A.B. de C.V.
7738 1000 1882 42 Telemar Norte Leste S.A.
26615 912 2325 35 Tim Celular S.A.
3816 902 395 150 COLOMBIA TELECOMUNICACIONES S
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 1507 958 13 TE-AS
24863 955 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 373 845 30 ETISALAT MISR
37492 327 144 65 Orange Tunisie
24835 295 144 9 Vodafone Data
3741 249 921 213 Internet Solutions
29571 233 21 12 Cote d'Ivoire Telecom
36947 194 807 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 3068 497 225 Telmex Colombia S.A.
22773 2927 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2887 11556 915 Korea Telecom
17974 2846 905 78 PT Telekomunikasi Indonesia
3356 2580 10688 484 Level 3 Communications, Inc.
7545 2506 336 128 TPG Telecom Limited
28573 2331 2134 114 NET Serviços de Comunicação S
18566 2043 379 183 MegaPath Corporation
34984 1944 300 358 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 2927 2786 Cox Communications Inc.
17974 2846 2768 PT Telekomunikasi Indonesia
7545 2506 2378 TPG Telecom Limited
28573 2331 2217 NET Serviços de Comunicação S
3356 2580 2096 Level 3 Communications, Inc.
4766 2887 1972 Korea Telecom
18566 2043 1860 MegaPath Corporation
6147 1822 1792 Telefonica del Peru S.A.A.
4755 1938 1744 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 /10:32 /11:92 /12:265
/13:502 /14:996 /15:1721 /16:13048 /17:7192 /18:12051
/19:24915 /20:35833 /21:38375 /22:57203 /23:50117 /24:282961
/25:1139 /26:1055 /27:656 /28:17 /29:14 /30:10
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2141 2927 Cox Communications Inc.
18566 1998 2043 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1373 1528 Mediacom Communications Corp
6147 1366 1822 Telefonica del Peru S.A.A.
6983 1314 1627 EarthLink, Inc.
34984 1248 1944 TELLCOM ILETISIM HIZMETLERI A
11492 1128 1187 CABLE ONE, INC.
8402 1097 1429 OJSC "Vimpelcom"
10620 1094 3068 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1462 2:672 3:1 4:95 5:1216 6:21
8:1401 11:1 12:1845 13:4 14:1255 15:17
16:2 17:43 18:21 20:50 23:1094 24:1682
27:1844 31:1473 32:39 33:2 34:5 35:2
36:133 37:1892 38:970 39:13 40:230 41:3027
42:261 43:934 44:23 45:95 46:2118 47:34
49:783 50:789 52:12 54:66 55:6 56:8
57:32 58:1193 59:681 60:454 61:1759 62:1303
63:1905 64:4407 65:2268 66:4085 67:2018 68:1040
69:3269 70:904 71:431 72:1971 74:2619 75:314
76:414 77:1453 78:1281 79:790 80:1311 81:1300
82:786 83:668 84:673 85:1303 86:389 87:1164
88:517 89:1781 90:139 91:5903 92:799 93:1707
94:1931 95:1329 96:413 97:335 98:1038 99:46
100:75 101:800 103:6565 104:1123 105:56 106:200
107:888 108:608 109:2018 110:1066 111:1463 112:746
113:980 114:819 115:1251 116:1310 117:1015 118:1698
119:1396 120:447 121:1013 122:2179 123:1714 124:1492
125:1518 128:642 129:376 130:382 131:1077 132:453
133:167 134:389 135:88 136:333 137:297 138:408
139:173 140:221 141:412 142:621 143:450 144:521
145:112 146:712 147:572 148:1063 149:414 150:555
151:742 152:482 153:246 154:302 155:708 156:397
157:328 158:264 159:956 160:367 161:630 162:1873
163:382 164:651 165:665 166:320 167:701 168:1001
169:140 170:1431 171:223 172:47 173:1587 174:706
175:612 176:1469 177:3613 178:2092 179:848 180:1860
181:1622 182:1696 183:575 184:734 185:2701 186:2678
187:1739 188:2020 189:1543 190:7907 191:835 192:8052
193:5555 194:4053 195:3631 196:1700 197:874 198:5450
199:5508 200:6480 201:2911 202:9506 203:9085 204:4656
205:2714 206:3006 207:2969 208:3939 209:3865 210:3494
211:1836 212:2484 213:2267 214:838 215:69 216:5528
217:1800 218:668 219:463 220:1322 221:795 222:464
223:644
End of report
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