Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 10 18:12:18 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 11 Jan, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 477720
Prefixes after maximum aggregation: 190383
Deaggregation factor: 2.51
Unique aggregates announced to Internet: 236793
Total ASes present in the Internet Routing Table: 45866
Prefixes per ASN: 10.42
Origin-only ASes present in the Internet Routing Table: 35494
Origin ASes announcing only one prefix: 16270
Transit ASes present in the Internet Routing Table: 5988
Transit-only ASes present in the Internet Routing Table: 171
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: 2673
Unregistered ASNs in the Routing Table: 630
Number of 32-bit ASNs allocated by the RIRs: 5665
Number of 32-bit ASNs visible in the Routing Table: 4384
Prefixes from 32-bit ASNs in the Routing Table: 13852
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1824
Number of addresses announced to Internet: 2659446780
Equivalent to 158 /8s, 131 /16s and 239 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.4
Total number of prefixes smaller than registry allocations: 166265
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 113470
Total APNIC prefixes after maximum aggregation: 34200
APNIC Deaggregation factor: 3.32
Prefixes being announced from the APNIC address blocks: 115868
Unique aggregates announced from the APNIC address blocks: 48493
APNIC Region origin ASes present in the Internet Routing Table: 4867
APNIC Prefixes per ASN: 23.81
APNIC Region origin ASes announcing only one prefix: 1209
APNIC Region transit ASes present in the Internet Routing Table: 834
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 803
Number of APNIC addresses announced to Internet: 730083008
Equivalent to 43 /8s, 132 /16s and 46 /24s
Percentage of available APNIC address space announced: 85.3
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: 163624
Total ARIN prefixes after maximum aggregation: 81887
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164214
Unique aggregates announced from the ARIN address blocks: 75962
ARIN Region origin ASes present in the Internet Routing Table: 15931
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 5980
ARIN Region transit ASes present in the Internet Routing Table: 1677
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 56
Number of ARIN addresses announced to Internet: 1071167872
Equivalent to 63 /8s, 216 /16s and 185 /24s
Percentage of available ARIN address space announced: 56.7
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: 120279
Total RIPE prefixes after maximum aggregation: 61358
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123956
Unique aggregates announced from the RIPE address blocks: 79328
RIPE Region origin ASes present in the Internet Routing Table: 17592
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8322
RIPE Region transit ASes present in the Internet Routing Table: 2845
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: 2558
Number of RIPE addresses announced to Internet: 655274884
Equivalent to 39 /8s, 14 /16s and 179 /24s
Percentage of available RIPE address space announced: 95.3
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, 196608-200191
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: 53827
Total LACNIC prefixes after maximum aggregation: 10064
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 59264
Unique aggregates announced from the LACNIC address blocks: 27483
LACNIC Region origin ASes present in the Internet Routing Table: 2063
LACNIC Prefixes per ASN: 28.73
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 400
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 959
Number of LACNIC addresses announced to Internet: 147743032
Equivalent to 8 /8s, 206 /16s and 97 /24s
Percentage of available LACNIC address space announced: 88.1
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: 11853
Total AfriNIC prefixes after maximum aggregation: 2595
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12594
Unique aggregates announced from the AfriNIC address blocks: 4132
AfriNIC Region origin ASes present in the Internet Routing Table: 697
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 201
AfriNIC Region transit ASes present in the Internet Routing Table: 148
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8
Number of AfriNIC addresses announced to Internet: 49624832
Equivalent to 2 /8s, 245 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 49.3
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 2944 11558 953 Korea Telecom
17974 2736 902 88 PT Telekomunikasi Indonesia
7545 2127 319 111 TPG Telecom Limited
4755 1811 392 193 TATA Communications formerly
9829 1563 1255 41 National Internet Backbone
9583 1294 100 535 Sify Limited
9498 1236 309 71 BHARTI Airtel Ltd.
7552 1234 1080 13 Viettel Corporation
4808 1146 2121 345 CNCGROUP IP network China169
24560 1097 382 167 Bharti Airtel Ltd., Telemedia
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
6389 3029 3688 53 BellSouth.net Inc.
22773 2322 2940 139 Cox Communications Inc.
1785 2147 687 131 PaeTec Communications, Inc.
18566 2049 379 178 MegaPath Corporation
20115 1681 1665 588 Charter Communications
4323 1628 1081 410 tw telecom holdings, inc.
701 1508 11143 779 MCI Communications Services,
30036 1375 296 569 Mediacom Communications Corp
7018 1302 17747 845 AT&T Services, Inc.
6983 1295 756 581 ITC^Deltacom
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
8402 1921 544 16 OJSC "Vimpelcom"
34984 1365 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1217 460 917 Akamai International B.V.
31148 1013 45 20 Freenet Ltd.
13188 922 100 26 TOV "Bank-Inform"
8551 850 370 38 Bezeq International-Ltd
6849 845 362 37 JSC "Ukrtelecom"
6830 770 2327 423 Liberty Global Operations B.V
12479 690 798 53 France Telecom Espana SA
35228 552 246 16 Telefonica UK Limited
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 3439 1843 92 NET Serviços de Comunicação S
10620 2696 436 203 Telmex Colombia S.A.
18881 1795 908 20 Global Village Telecom
7303 1743 1163 230 Telecom Argentina S.A.
8151 1376 2865 423 Uninet S.A. de C.V.
11830 869 364 15 Instituto Costarricense de El
27947 859 93 89 Telconet S.A
7738 813 1562 37 Telemar Norte Leste S.A.
6503 795 434 61 Axtel, S.A.B. de C.V.
6147 780 373 27 Telefonica del Peru S.A.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
36998 1805 112 5 Sudanese Mobile Telephone (ZA
24863 897 338 26 Link Egypt (Link.NET)
6713 600 653 27 Office National des Postes et
8452 462 956 9 TE-AS
24835 298 144 9 Vodafone Data
3741 247 921 209 Internet Solutions
29571 240 21 14 Cote d'Ivoire Telecom
36992 229 783 24 ETISALAT MISR
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29975 192 668 21 Vodacom
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 3439 1843 92 NET Serviços de Comunicação S
6389 3029 3688 53 BellSouth.net Inc.
4766 2944 11558 953 Korea Telecom
17974 2736 902 88 PT Telekomunikasi Indonesia
10620 2696 436 203 Telmex Colombia S.A.
22773 2322 2940 139 Cox Communications Inc.
1785 2147 687 131 PaeTec Communications, Inc.
7545 2127 319 111 TPG Telecom Limited
18566 2049 379 178 MegaPath Corporation
8402 1921 544 16 OJSC "Vimpelcom"
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 3029 2976 BellSouth.net Inc.
17974 2736 2648 PT Telekomunikasi Indonesia
10620 2696 2493 Telmex Colombia S.A.
22773 2322 2183 Cox Communications Inc.
1785 2147 2016 PaeTec Communications, Inc.
7545 2127 2016 TPG Telecom Limited
4766 2944 1991 Korea Telecom
8402 1921 1905 OJSC "Vimpelcom"
18566 2049 1871 MegaPath Corporation
36998 1805 1800 Sudanese Mobile Telephone (ZA
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
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
62828 UNALLOCATED 8.21.130.0/24 4323 tw telecom holdings,
62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Netstream Communications, LLC
23.91.96.0/20 37958 Beijing Blue I.T Technologies
23.91.112.0/21 32475 SingleHop
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.128.0/19 5645 TekSavvy Solutions, Inc.
23.91.160.0/19 36493 FIBERNETICS CORPORATION
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 /9:11 /10:30 /11:92 /12:254
/13:475 /14:943 /15:1638 /16:12852 /17:6809 /18:11447
/19:23340 /20:33224 /21:35848 /22:50874 /23:44219 /24:253304
/25:793 /26:952 /27:433 /28:48 /29:72 /30:32
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2004 2049 MegaPath Corporation
36998 1771 1805 Sudanese Mobile Telephone (ZA
6389 1699 3029 BellSouth.net Inc.
8402 1609 1921 OJSC "Vimpelcom"
22773 1565 2322 Cox Communications Inc.
30036 1215 1375 Mediacom Communications Corp
1785 1163 2147 PaeTec Communications, Inc.
11492 1157 1194 CABLE ONE, INC.
6983 1036 1295 ITC^Deltacom
22561 979 1257 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:936 2:876 3:3 4:15 5:875 6:21
8:635 12:1872 13:3 14:908 15:9 16:3
17:22 18:19 20:36 23:656 24:1751 27:1705
31:1517 32:44 33:2 34:5 36:109 37:1874
38:921 39:3 40:184 41:3299 42:243 44:14
46:2126 47:12 49:702 50:854 52:12 54:44
55:5 56:4 57:26 58:1144 59:596 60:369
61:1500 62:1210 63:1964 64:4380 65:2315 66:4130
67:2088 68:1082 69:3305 70:904 71:501 72:2024
74:2586 75:313 76:304 77:1153 78:1008 79:686
80:1299 81:1086 82:660 83:737 84:651 85:1217
86:401 87:1023 88:523 89:1596 90:152 91:5719
92:638 93:1619 94:2105 95:1516 96:534 97:348
98:1070 99:40 100:32 101:706 103:3942 105:534
106:142 107:370 108:548 109:2000 110:978 111:1155
112:609 113:819 114:772 115:1062 116:1017 117:836
118:1230 119:1283 120:326 121:786 122:1920 123:1261
124:1387 125:1456 128:659 129:236 130:356 131:666
132:353 133:159 134:312 135:73 136:277 137:315
138:354 139:174 140:201 141:352 142:551 143:414
144:503 145:91 146:567 147:434 148:792 149:363
150:153 151:479 152:410 153:208 154:53 155:529
156:317 157:420 158:287 159:808 160:360 161:468
162:996 163:233 164:670 165:586 166:272 167:637
168:1043 169:123 170:1167 171:186 172:12 173:1674
174:672 175:561 176:1361 177:2575 178:1937 179:384
180:1606 181:937 182:1422 183:485 184:633 185:1181
186:2777 187:1441 188:1955 189:1275 190:7326 191:9
192:7041 193:5437 194:4021 195:3405 196:1350 197:1090
198:4837 199:5528 200:6066 201:2558 202:9033 203:8883
204:4537 205:2630 206:2889 207:2830 208:3943 209:3716
210:3085 211:1629 212:2171 213:1971 214:860 215:83
216:5442 217:1729 218:612 219:325 220:1268 221:589
222:334 223:570
End of report
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