[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 13 18:11:17 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 14 Feb, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 532541
Prefixes after maximum aggregation (per Origin AS): 203597
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 259474
Total ASes present in the Internet Routing Table: 49402
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 36461
Origin ASes announcing only one prefix: 16309
Transit ASes present in the Internet Routing Table: 6259
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 108
Max AS path prepend of ASN ( 60548) 101
Prefixes from unregistered ASNs in the Routing Table: 1744
Unregistered ASNs in the Routing Table: 432
Number of 32-bit ASNs allocated by the RIRs: 8597
Number of 32-bit ASNs visible in the Routing Table: 6682
Prefixes from 32-bit ASNs in the Routing Table: 24277
Number of bogon 32-bit ASNs visible in the Routing Table: 5
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 399
Number of addresses announced to Internet: 2731541796
Equivalent to 162 /8s, 208 /16s and 5 /24s
Percentage of available address space announced: 73.8
Percentage of allocated address space announced: 73.8
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: 180324
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 131568
Total APNIC prefixes after maximum aggregation: 38312
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 136903
Unique aggregates announced from the APNIC address blocks: 55612
APNIC Region origin ASes present in the Internet Routing Table: 5026
APNIC Prefixes per ASN: 27.24
APNIC Region origin ASes announcing only one prefix: 1228
APNIC Region transit ASes present in the Internet Routing Table: 874
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: 1307
Number of APNIC addresses announced to Internet: 747848064
Equivalent to 44 /8s, 147 /16s and 65 /24s
Percentage of available APNIC address space announced: 87.4
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: 176091
Total ARIN prefixes after maximum aggregation: 86886
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 178136
Unique aggregates announced from the ARIN address blocks: 83478
ARIN Region origin ASes present in the Internet Routing Table: 16488
ARIN Prefixes per ASN: 10.80
ARIN Region origin ASes announcing only one prefix: 6086
ARIN Region transit ASes present in the Internet Routing Table: 1717
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 344
Number of ARIN addresses announced to Internet: 1060672032
Equivalent to 63 /8s, 56 /16s and 146 /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: 129257
Total RIPE prefixes after maximum aggregation: 64399
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 135576
Unique aggregates announced from the RIPE address blocks: 83258
RIPE Region origin ASes present in the Internet Routing Table: 17867
RIPE Prefixes per ASN: 7.59
RIPE Region origin ASes announcing only one prefix: 8152
RIPE Region transit ASes present in the Internet Routing Table: 2956
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 108
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3435
Number of RIPE addresses announced to Internet: 693150596
Equivalent to 41 /8s, 80 /16s and 163 /24s
Percentage of available RIPE address space announced: 100.8
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: 58626
Total LACNIC prefixes after maximum aggregation: 10984
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 68030
Unique aggregates announced from the LACNIC address blocks: 31719
LACNIC Region origin ASes present in the Internet Routing Table: 2405
LACNIC Prefixes per ASN: 28.29
LACNIC Region origin ASes announcing only one prefix: 637
LACNIC Region transit ASes present in the Internet Routing Table: 484
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: 1507
Number of LACNIC addresses announced to Internet: 167711744
Equivalent to 9 /8s, 255 /16s and 20 /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: 12523
Total AfriNIC prefixes after maximum aggregation: 2972
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 13497
Unique aggregates announced from the AfriNIC address blocks: 5048
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 18.36
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 155
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 89
Number of AfriNIC addresses announced to Internet: 61703424
Equivalent to 3 /8s, 173 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 61.3
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 2872 11553 911 Korea Telecom
17974 2824 904 77 PT Telekomunikasi Indonesia
7545 2565 336 128 TPG Telecom Limited
4755 1972 421 203 TATA Communications formerly
4538 1758 4190 71 China Education and Research
9829 1686 1325 36 National Internet Backbone
9808 1536 8639 18 Guangdong Mobile Communicatio
4808 1451 2218 436 CNCGROUP IP network China169
9583 1395 116 574 Sify Limited
9498 1299 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 2982 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
3356 2567 10683 475 Level 3 Communications, Inc.
18566 2042 379 183 MegaPath Corporation
20115 1848 1828 446 Charter Communications
4323 1621 1037 406 tw telecom holdings, inc.
6983 1621 850 242 EarthLink, Inc.
30036 1551 322 481 Mediacom Communications Corp
701 1391 11268 678 MCI Communications Services,
22561 1333 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 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 1965 300 353 TELLCOM ILETISIM HIZMETLERI A
20940 1594 622 1184 Akamai International B.V.
8402 1357 544 15 OJSC "Vimpelcom"
6849 1198 356 25 JSC "Ukrtelecom"
31148 1045 45 21 Freenet Ltd.
13188 1043 97 61 TOV "Bank-Inform"
8551 903 373 48 Bezeq International-Ltd
12479 860 793 86 France Telecom Espana SA
9198 847 349 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 3098 502 222 Telmex Colombia S.A.
28573 2330 2141 111 NET Serviços de Comunicação S
7303 1780 1182 231 Telecom Argentina S.A.
6147 1586 374 30 Telefonica del Peru S.A.A.
8151 1547 3107 453 Uninet S.A. de C.V.
6503 1195 421 58 Axtel, S.A.B. de C.V.
7738 1001 1882 42 Telemar Norte Leste S.A.
3816 921 396 148 COLOMBIA TELECOMUNICACIONES S
26615 921 2325 35 Tim Celular S.A.
18881 863 1037 23 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 1546 958 13 TE-AS
24863 958 284 26 Link Egypt (Link.NET)
36903 479 241 90 Office National des Postes et
36992 373 845 30 ETISALAT MISR
37492 330 160 66 Orange Tunisie
24835 297 144 9 Vodafone Data
3741 250 921 209 Internet Solutions
29571 229 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 3098 502 222 Telmex Colombia S.A.
22773 2982 2955 141 Cox Communications Inc.
6389 2891 3688 51 BellSouth.net Inc.
4766 2872 11553 911 Korea Telecom
17974 2824 904 77 PT Telekomunikasi Indonesia
3356 2567 10683 475 Level 3 Communications, Inc.
7545 2565 336 128 TPG Telecom Limited
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2330 2141 111 NET Serviços de Comunicação S
18566 2042 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
22773 2982 2841 Cox Communications Inc.
6389 2891 2840 BellSouth.net Inc.
17974 2824 2747 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2565 2437 TPG Telecom Limited
28573 2330 2219 NET Serviços de Comunicação S
3356 2567 2092 Level 3 Communications, Inc.
4766 2872 1961 Korea Telecom
18566 2042 1859 MegaPath Corporation
4755 1972 1769 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
23.226.112.0/20 62788 Bitfinite LLC
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
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 /10:34 /11:92 /12:265
/13:504 /14:998 /15:1722 /16:12967 /17:7140 /18:12114
/19:24896 /20:35717 /21:38485 /22:57601 /23:50331 /24:286619
/25:1187 /26:1099 /27:690 /28:17 /29:14 /30:8
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2199 2982 Cox Communications Inc.
18566 1997 2042 MegaPath Corporation
6389 1671 2891 BellSouth.net Inc.
30036 1396 1551 Mediacom Communications Corp
6983 1313 1621 EarthLink, Inc.
34984 1274 1965 TELLCOM ILETISIM HIZMETLERI A
11492 1133 1191 CABLE ONE, INC.
6147 1127 1586 Telefonica del Peru S.A.A.
10620 1101 3098 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1469 2:670 3:1 4:97 5:1726 6:21
8:1412 12:1842 13:4 14:1291 15:16 16:2
17:42 18:21 20:49 23:1137 24:1682 27:1850
31:1430 32:39 33:2 34:5 35:2 36:119
37:1914 38:1006 39:9 40:234 41:3022 42:269
43:1045 44:25 45:191 46:2085 47:34 49:790
50:787 52:12 54:66 55:4 56:8 57:33
58:1200 59:681 60:459 61:1759 62:1299 63:1917
64:4426 65:2260 66:4079 67:2026 68:1041 69:3274
70:965 71:435 72:1968 74:2619 75:314 76:409
77:1457 78:1256 79:777 80:1316 81:1321 82:816
83:678 84:677 85:1328 86:379 87:1078 88:494
89:1755 90:139 91:5925 92:808 93:2179 94:1944
95:2085 96:425 97:339 98:1053 99:47 100:73
101:808 103:6727 104:1229 105:62 106:218 107:884
108:608 109:2024 110:1075 111:1477 112:764 113:1026
114:851 115:1252 116:1320 117:1031 118:1696 119:1421
120:444 121:1049 122:2167 123:1726 124:1488 125:1569
128:628 129:373 130:380 131:1110 132:478 133:167
134:399 135:88 136:311 137:300 138:465 139:173
140:227 141:422 142:629 143:451 144:523 145:111
146:682 147:561 148:1104 149:466 150:560 151:748
152:486 153:248 154:313 155:721 156:402 157:331
158:265 159:988 160:368 161:632 162:1894 163:389
164:655 165:668 166:322 167:703 168:1002 169:150
170:1441 171:223 172:42 173:1591 174:688 175:623
176:1438 177:3730 178:2079 179:865 180:1917 181:1574
182:1692 183:601 184:740 185:2865 186:2709 187:1795
188:2001 189:1547 190:7779 191:845 192:8110 193:5544
194:4055 195:3629 196:1677 197:917 198:5495 199:5522
200:6509 201:2961 202:9552 203:9058 204:4656 205:2736
206:3008 207:2986 208:3956 209:3900 210:3489 211:1833
212:2468 213:2245 214:848 215:69 216:5560 217:1806
218:673 219:464 220:1457 221:790 222:464 223:645
End of report
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