[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 29 18:11:41 UTC 2014
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, LacNOG,
TRNOG, 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 30 Aug, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 509487
Prefixes after maximum aggregation: 197642
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 249829
Total ASes present in the Internet Routing Table: 47575
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 36092
Origin ASes announcing only one prefix: 16390
Transit ASes present in the Internet Routing Table: 6138
Transit-only ASes present in the Internet Routing Table: 181
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 1642
Unregistered ASNs in the Routing Table: 442
Number of 32-bit ASNs allocated by the RIRs: 7296
Number of 32-bit ASNs visible in the Routing Table: 5345
Prefixes from 32-bit ASNs in the Routing Table: 19533
Number of bogon 32-bit ASNs visible in the Routing Table: 619
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 347
Number of addresses announced to Internet: 2717084100
Equivalent to 161 /8s, 243 /16s and 105 /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: 96.8
Total number of prefixes smaller than registry allocations: 175050
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 124591
Total APNIC prefixes after maximum aggregation: 36399
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 128175
Unique aggregates announced from the APNIC address blocks: 52441
APNIC Region origin ASes present in the Internet Routing Table: 4981
APNIC Prefixes per ASN: 25.73
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 865
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1071
Number of APNIC addresses announced to Internet: 735509312
Equivalent to 43 /8s, 214 /16s and 251 /24s
Percentage of available APNIC address space announced: 86.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 169628
Total ARIN prefixes after maximum aggregation: 84831
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 171579
Unique aggregates announced from the ARIN address blocks: 80176
ARIN Region origin ASes present in the Internet Routing Table: 16344
ARIN Prefixes per ASN: 10.50
ARIN Region origin ASes announcing only one prefix: 6114
ARIN Region transit ASes present in the Internet Routing Table: 1690
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 177
Number of ARIN addresses announced to Internet: 1094318080
Equivalent to 65 /8s, 57 /16s and 248 /24s
Percentage of available ARIN address space announced: 57.9
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: 125003
Total RIPE prefixes after maximum aggregation: 63089
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 129834
Unique aggregates announced from the RIPE address blocks: 82126
RIPE Region origin ASes present in the Internet Routing Table: 17709
RIPE Prefixes per ASN: 7.33
RIPE Region origin ASes announcing only one prefix: 8225
RIPE Region transit ASes present in the Internet Routing Table: 2887
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2738
Number of RIPE addresses announced to Internet: 658843524
Equivalent to 39 /8s, 69 /16s and 39 /24s
Percentage of available RIPE address space announced: 95.8
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: 59604
Total LACNIC prefixes after maximum aggregation: 10545
LACNIC Deaggregation factor: 5.65
Prefixes being announced from the LACNIC address blocks: 67711
Unique aggregates announced from the LACNIC address blocks: 30158
LACNIC Region origin ASes present in the Internet Routing Table: 2256
LACNIC Prefixes per ASN: 30.01
LACNIC Region origin ASes announcing only one prefix: 608
LACNIC Region transit ASes present in the Internet Routing Table: 456
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1306
Number of LACNIC addresses announced to Internet: 169664768
Equivalent to 10 /8s, 28 /16s and 225 /24s
Percentage of available LACNIC address space announced: 101.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 11032
Total AfriNIC prefixes after maximum aggregation: 2742
AfriNIC Deaggregation factor: 4.02
Prefixes being announced from the AfriNIC address blocks: 11841
Unique aggregates announced from the AfriNIC address blocks: 4626
AfriNIC Region origin ASes present in the Internet Routing Table: 735
AfriNIC Prefixes per ASN: 16.11
AfriNIC Region origin ASes announcing only one prefix: 217
AfriNIC Region transit ASes present in the Internet Routing Table: 157
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 53
Number of AfriNIC addresses announced to Internet: 58322688
Equivalent to 3 /8s, 121 /16s and 239 /24s
Percentage of available AfriNIC address space announced: 57.9
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 2934 11591 919 Korea Telecom
17974 2808 900 74 PT Telekomunikasi Indonesia
7545 2333 336 120 TPG Telecom Limited
4755 1893 413 192 TATA Communications formerly
9829 1654 1307 32 National Internet Backbone
9583 1316 104 538 Sify Limited
9498 1301 317 92 BHARTI Airtel Ltd.
7552 1238 1098 14 Viettel Corporation
9808 1236 6639 15 Guangdong Mobile Communicatio
4808 1202 2158 369 CNCGROUP IP network China169
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 2928 2940 142 Cox Communications Inc.
6389 2896 3688 51 BellSouth.net Inc.
18566 2045 379 178 MegaPath Corporation
7029 1916 1957 305 Windstream Communications Inc
20115 1772 1756 524 Charter Communications
4323 1623 1055 407 tw telecom holdings, inc.
30036 1555 326 535 Mediacom Communications Corp
6983 1444 817 314 ITC^Deltacom
701 1437 11242 721 MCI Communications Services,
22561 1308 408 237 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 1743 298 281 TELLCOM ILETISIM HIZMETLERI A
20940 1474 570 1084 Akamai International B.V.
8402 1319 544 15 OJSC "Vimpelcom"
31148 1042 45 20 Freenet Ltd.
13188 1041 97 49 TOV "Bank-Inform"
8551 980 371 41 Bezeq International-Ltd
6849 807 356 27 JSC "Ukrtelecom"
12479 784 798 58 France Telecom Espana SA
6830 773 2335 428 Liberty Global Operations B.V
9198 648 346 28 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
28573 3357 2315 117 NET Serviços de Comunicação S
10620 2961 480 215 Telmex Colombia S.A.
18881 2084 1036 22 Global Village Telecom
7303 1768 1180 234 Telecom Argentina S.A.
6147 1739 374 30 Telefonica del Peru S.A.A.
8151 1467 2999 433 Uninet S.A. de C.V.
6503 1095 434 61 Axtel, S.A.B. de C.V.
7738 977 1882 41 Telemar Norte Leste S.A.
27947 902 130 51 Telconet S.A
26615 897 2325 35 Tim Celular 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
24863 941 280 26 Link Egypt (Link.NET)
6713 669 744 37 Office National des Postes et
8452 599 958 13 TE-AS
36992 315 816 27 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 237 22 17 Cote d'Ivoire Telecom
37054 236 19 6 Data Telecom Service
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI
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
28573 3357 2315 117 NET Serviços de Comunicação S
10620 2961 480 215 Telmex Colombia S.A.
4766 2934 11591 919 Korea Telecom
22773 2928 2940 142 Cox Communications Inc.
6389 2896 3688 51 BellSouth.net Inc.
17974 2808 900 74 PT Telekomunikasi Indonesia
7545 2333 336 120 TPG Telecom Limited
18881 2084 1036 22 Global Village Telecom
18566 2045 379 178 MegaPath Corporation
7029 1916 1957 305 Windstream Communications Inc
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 2896 2845 BellSouth.net Inc.
22773 2928 2786 Cox Communications Inc.
10620 2961 2746 Telmex Colombia S.A.
17974 2808 2734 PT Telekomunikasi Indonesia
7545 2333 2213 TPG Telecom Limited
18881 2084 2062 Global Village Telecom
4766 2934 2015 Korea Telecom
18566 2045 1867 MegaPath Corporation
6147 1739 1709 Telefonica del Peru S.A.A.
4755 1893 1701 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 2828 XO Communications
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 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
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.65.0.0/24 4826 Vocus Connect International B
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>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 /9:13 /10:30 /11:91 /12:261
/13:500 /14:982 /15:1705 /16:13031 /17:7045 /18:11746
/19:24647 /20:35359 /21:37764 /22:54294 /23:47822 /24:271327
/25:1091 /26:1039 /27:665 /28:15 /29:19 /30:10
/31:1 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2164 2928 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1674 2896 BellSouth.net Inc.
30036 1404 1555 Mediacom Communications Corp
6147 1314 1739 Telefonica del Peru S.A.A.
7029 1158 1916 Windstream Communications Inc
6983 1150 1444 ITC^Deltacom
11492 1124 1173 CABLE ONE, INC.
34984 1064 1743 TELLCOM ILETISIM HIZMETLERI A
10620 1036 2961 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1328 2:663 3:3 4:16 5:1081 6:21
8:732 12:1862 13:4 14:1110 15:15 16:2
17:39 18:21 20:50 23:904 24:1799 27:1777
31:1408 32:41 33:2 34:5 36:139 37:1846
38:967 39:12 40:220 41:2535 42:270 43:228
44:16 45:63 46:2144 47:24 49:733 50:820
52:12 54:49 55:5 56:4 57:32 58:1217
59:660 60:425 61:1688 62:1235 63:1836 64:4362
65:2292 66:4200 67:2030 68:1042 69:3252 70:864
71:478 72:2046 74:2575 75:370 76:420 77:1612
78:798 79:715 80:1324 81:1201 82:764 83:780
84:766 85:1324 86:441 87:1149 88:461 89:1793
90:138 91:5692 92:766 93:1782 94:2022 95:1591
96:421 97:344 98:1159 99:49 100:67 101:706
103:5469 104:207 105:37 106:179 107:602 108:566
109:1975 110:1027 111:1354 112:718 113:852 114:780
115:1186 116:1104 117:988 118:1546 119:1425 120:419
121:970 122:2167 123:1606 124:1427 125:1571 128:600
129:348 130:366 131:718 132:423 133:165 134:319
135:75 136:303 137:288 138:384 139:203 140:228
141:401 142:575 143:426 144:505 145:112 146:607
147:489 148:975 149:402 150:452 151:595 152:458
153:241 154:338 155:526 156:358 157:328 158:280
159:939 160:328 161:587 162:1729 163:340 164:702
165:645 166:361 167:673 168:1124 169:122 170:1394
171:183 172:63 173:1603 174:700 175:624 176:1475
177:3530 178:2090 179:774 180:1775 181:1596 182:1629
183:555 184:708 185:2008 186:2927 187:1669 188:2168
189:1473 190:7959 191:757 192:7503 193:5501 194:4049
195:3572 196:1442 197:682 198:5146 199:5469 200:6496
201:2868 202:9178 203:9011 204:4561 205:2643 206:2949
207:2910 208:3931 209:3733 210:3303 211:1836 212:2338
213:2126 214:865 215:88 216:5565 217:1688 218:617
219:406 220:1355 221:688 222:479 223:597
End of report
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