[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 30 18:11:54 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 31 Jan, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 529971
Prefixes after maximum aggregation (per Origin AS): 202983
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 258157
Total ASes present in the Internet Routing Table: 49242
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 36405
Origin ASes announcing only one prefix: 16292
Transit ASes present in the Internet Routing Table: 6246
Transit-only ASes present in the Internet Routing Table: 169
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: 1714
Unregistered ASNs in the Routing Table: 422
Number of 32-bit ASNs allocated by the RIRs: 8474
Number of 32-bit ASNs visible in the Routing Table: 6591
Prefixes from 32-bit ASNs in the Routing Table: 23699
Number of bogon 32-bit ASNs visible in the Routing Table: 6
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 356
Number of addresses announced to Internet: 2723625508
Equivalent to 162 /8s, 87 /16s and 58 /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: 97.2
Total number of prefixes smaller than registry allocations: 179682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 130804
Total APNIC prefixes after maximum aggregation: 38186
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 135954
Unique aggregates announced from the APNIC address blocks: 55417
APNIC Region origin ASes present in the Internet Routing Table: 5021
APNIC Prefixes per ASN: 27.08
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 872
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: 1275
Number of APNIC addresses announced to Internet: 741480576
Equivalent to 44 /8s, 50 /16s and 24 /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: 175130
Total ARIN prefixes after maximum aggregation: 86650
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 177109
Unique aggregates announced from the ARIN address blocks: 82854
ARIN Region origin ASes present in the Internet Routing Table: 16458
ARIN Prefixes per ASN: 10.76
ARIN Region origin ASes announcing only one prefix: 6081
ARIN Region transit ASes present in the Internet Routing Table: 1722
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: 331
Number of ARIN addresses announced to Internet: 1059902240
Equivalent to 63 /8s, 44 /16s and 211 /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: 129159
Total RIPE prefixes after maximum aggregation: 64185
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135279
Unique aggregates announced from the RIPE address blocks: 83134
RIPE Region origin ASes present in the Internet Routing Table: 17839
RIPE Prefixes per ASN: 7.58
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2942
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: 3398
Number of RIPE addresses announced to Internet: 692818564
Equivalent to 41 /8s, 75 /16s and 146 /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: 58588
Total LACNIC prefixes after maximum aggregation: 10951
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 67869
Unique aggregates announced from the LACNIC address blocks: 31417
LACNIC Region origin ASes present in the Internet Routing Table: 2397
LACNIC Prefixes per ASN: 28.31
LACNIC Region origin ASes announcing only one prefix: 644
LACNIC Region transit ASes present in the Internet Routing Table: 481
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1499
Number of LACNIC addresses announced to Internet: 167768576
Equivalent to 9 /8s, 255 /16s and 242 /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: 12418
Total AfriNIC prefixes after maximum aggregation: 2967
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 13404
Unique aggregates announced from the AfriNIC address blocks: 5016
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: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 157
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: 88
Number of AfriNIC addresses announced to Internet: 61094400
Equivalent to 3 /8s, 164 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 60.7
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 2877 11553 909 Korea Telecom
17974 2842 905 78 PT Telekomunikasi Indonesia
7545 2488 336 128 TPG Telecom Limited
4755 1943 418 196 TATA Communications formerly
4538 1757 4190 71 China Education and Research
9829 1685 1324 34 National Internet Backbone
9808 1525 6719 19 Guangdong Mobile Communicatio
4808 1460 2218 436 CNCGROUP IP network China169
9583 1391 115 572 Sify Limited
9498 1296 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 2930 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2569 10688 477 Level 3 Communications, Inc.
18566 2043 379 183 MegaPath Corporation
20115 1850 1826 450 Charter Communications
4323 1623 1037 407 tw telecom holdings, inc.
6983 1622 866 244 EarthLink, Inc.
30036 1520 315 521 Mediacom Communications Corp
701 1398 11271 684 MCI Communications Services,
22561 1331 411 240 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
39891 2069 139 10 SaudiNet, Saudi Telecom Compa
34984 1956 300 357 TELLCOM ILETISIM HIZMETLERI A
20940 1567 613 1162 Akamai International B.V.
8402 1437 544 15 OJSC "Vimpelcom"
6849 1234 358 26 JSC "Ukrtelecom"
31148 1045 45 21 Freenet Ltd.
13188 1037 97 58 TOV "Bank-Inform"
8551 904 373 48 Bezeq International-Ltd
12479 847 793 85 France Telecom Espana SA
9198 843 349 25 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 3073 498 223 Telmex Colombia S.A.
28573 2346 2139 112 NET Serviços de Comunicação S
7303 1770 1173 238 Telecom Argentina S.A.
6147 1695 374 30 Telefonica del Peru S.A.A.
8151 1495 3094 427 Uninet S.A. de C.V.
6503 1227 421 57 Axtel, S.A.B. de C.V.
7738 1000 1882 42 Telemar Norte Leste S.A.
3816 920 396 149 COLOMBIA TELECOMUNICACIONES S
26615 913 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 1520 958 13 TE-AS
24863 953 284 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 234 21 12 Cote d'Ivoire Telecom
36947 191 807 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 3073 498 223 Telmex Colombia S.A.
22773 2930 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2877 11553 909 Korea Telecom
17974 2842 905 78 PT Telekomunikasi Indonesia
3356 2569 10688 477 Level 3 Communications, Inc.
7545 2488 336 128 TPG Telecom Limited
28573 2346 2139 112 NET Serviços de Comunicação S
39891 2069 139 10 SaudiNet, Saudi Telecom Compa
18566 2043 379 183 MegaPath Corporation
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 2842 2764 PT Telekomunikasi Indonesia
7545 2488 2360 TPG Telecom Limited
28573 2346 2234 NET Serviços de Comunicação S
3356 2569 2092 Level 3 Communications, Inc.
39891 2069 2059 SaudiNet, Saudi Telecom Compa
4766 2877 1968 Korea Telecom
18566 2043 1860 MegaPath Corporation
4755 1943 1747 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 /12:264
/13:502 /14:997 /15:1718 /16:12975 /17:7131 /18:12135
/19:24997 /20:35644 /21:38397 /22:57495 /23:50361 /24:284231
/25:1151 /26:1091 /27:680 /28:17 /29:14 /30:8
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2143 2930 Cox Communications Inc.
39891 2012 2069 SaudiNet, Saudi Telecom Compa
18566 1998 2043 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1366 1520 Mediacom Communications Corp
6983 1313 1622 EarthLink, Inc.
34984 1260 1956 TELLCOM ILETISIM HIZMETLERI A
6147 1241 1695 Telefonica del Peru S.A.A.
11492 1131 1189 CABLE ONE, INC.
8402 1103 1437 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1468 2:673 3:1 4:97 5:1204 6:21
8:1404 12:1843 13:4 14:1240 15:17 16:2
17:42 18:21 20:50 23:1095 24:1677 27:1825
31:1468 32:39 33:2 34:5 35:2 36:129
37:1900 38:978 39:11 40:232 41:2976 42:262
43:980 44:23 45:105 46:2093 47:34 49:786
50:790 52:12 54:66 55:5 56:8 57:32
58:1198 59:681 60:455 61:1760 62:1311 63:1903
64:4442 65:2257 66:4083 67:2019 68:1040 69:3276
70:907 71:431 72:1969 74:2616 75:314 76:413
77:1465 78:1298 79:783 80:1324 81:1305 82:796
83:628 84:674 85:1322 86:376 87:1162 88:514
89:1740 90:139 91:5856 92:802 93:2206 94:1866
95:2071 96:418 97:335 98:1039 99:47 100:75
101:790 103:6585 104:1163 105:54 106:202 107:887
108:608 109:2008 110:1067 111:1477 112:745 113:930
114:841 115:1253 116:1320 117:1022 118:1688 119:1409
120:452 121:1038 122:2176 123:1714 124:1496 125:1540
128:643 129:386 130:380 131:1075 132:470 133:167
134:389 135:87 136:311 137:296 138:417 139:173
140:223 141:414 142:625 143:442 144:519 145:111
146:708 147:564 148:1067 149:418 150:559 151:586
152:482 153:247 154:309 155:712 156:398 157:332
158:265 159:957 160:368 161:634 162:1881 163:388
164:651 165:669 166:321 167:705 168:1002 169:141
170:1430 171:223 172:42 173:1596 174:702 175:612
176:1460 177:3635 178:2092 179:862 180:1876 181:1594
182:1700 183:604 184:738 185:2754 186:2717 187:1794
188:2017 189:1539 190:7808 191:851 192:8077 193:5553
194:4040 195:3634 196:1693 197:887 198:5444 199:5500
200:6464 201:2909 202:9521 203:9081 204:4658 205:2730
206:3015 207:2978 208:3950 209:3871 210:3486 211:1827
212:2436 213:2301 214:832 215:69 216:5536 217:1808
218:665 219:466 220:1342 221:796 222:464 223:657
End of report
More information about the sanog
mailing list