[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 7 18:11:55 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 08 Mar, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 485175
Prefixes after maximum aggregation: 191734
Deaggregation factor: 2.53
Unique aggregates announced to Internet: 240090
Total ASes present in the Internet Routing Table: 46277
Prefixes per ASN: 10.48
Origin-only ASes present in the Internet Routing Table: 35607
Origin ASes announcing only one prefix: 16396
Transit ASes present in the Internet Routing Table: 6052
Transit-only ASes present in the Internet Routing Table: 168
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: 1875
Unregistered ASNs in the Routing Table: 485
Number of 32-bit ASNs allocated by the RIRs: 6056
Number of 32-bit ASNs visible in the Routing Table: 4618
Prefixes from 32-bit ASNs in the Routing Table: 14855
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: 443
Number of addresses announced to Internet: 2657868548
Equivalent to 158 /8s, 107 /16s and 219 /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: 95.8
Total number of prefixes smaller than registry allocations: 168995
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 115350
Total APNIC prefixes after maximum aggregation: 34578
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 117967
Unique aggregates announced from the APNIC address blocks: 49596
APNIC Region origin ASes present in the Internet Routing Table: 4890
APNIC Prefixes per ASN: 24.12
APNIC Region origin ASes announcing only one prefix: 1225
APNIC Region transit ASes present in the Internet Routing Table: 861
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 855
Number of APNIC addresses announced to Internet: 730759040
Equivalent to 43 /8s, 142 /16s and 127 /24s
Percentage of available APNIC address space announced: 85.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 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: 166347
Total ARIN prefixes after maximum aggregation: 82770
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 167732
Unique aggregates announced from the ARIN address blocks: 78116
ARIN Region origin ASes present in the Internet Routing Table: 16170
ARIN Prefixes per ASN: 10.37
ARIN Region origin ASes announcing only one prefix: 6120
ARIN Region transit ASes present in the Internet Routing Table: 1667
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 71
Number of ARIN addresses announced to Internet: 1066741632
Equivalent to 63 /8s, 149 /16s and 47 /24s
Percentage of available ARIN address space announced: 56.4
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: 121984
Total RIPE prefixes after maximum aggregation: 61753
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 125946
Unique aggregates announced from the RIPE address blocks: 79923
RIPE Region origin ASes present in the Internet Routing Table: 17630
RIPE Prefixes per ASN: 7.14
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2866
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: 2648
Number of RIPE addresses announced to Internet: 656662148
Equivalent to 39 /8s, 35 /16s and 222 /24s
Percentage of available RIPE address space announced: 95.5
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: 54609
Total LACNIC prefixes after maximum aggregation: 9944
LACNIC Deaggregation factor: 5.49
Prefixes being announced from the LACNIC address blocks: 60505
Unique aggregates announced from the LACNIC address blocks: 27859
LACNIC Region origin ASes present in the Internet Routing Table: 2071
LACNIC Prefixes per ASN: 29.22
LACNIC Region origin ASes announcing only one prefix: 549
LACNIC Region transit ASes present in the Internet Routing Table: 425
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1033
Number of LACNIC addresses announced to Internet: 151999104
Equivalent to 9 /8s, 15 /16s and 82 /24s
Percentage of available LACNIC address space announced: 90.6
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: 11913
Total AfriNIC prefixes after maximum aggregation: 2652
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 12582
Unique aggregates announced from the AfriNIC address blocks: 4226
AfriNIC Region origin ASes present in the Internet Routing Table: 705
AfriNIC Prefixes per ASN: 17.85
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 152
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11
Number of AfriNIC addresses announced to Internet: 51382784
Equivalent to 3 /8s, 16 /16s and 10 /24s
Percentage of available AfriNIC address space announced: 51.0
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 2983 11580 895 Korea Telecom
17974 2757 903 78 PT Telekomunikasi Indonesia
7545 2196 320 117 TPG Telecom Limited
4755 1834 396 196 TATA Communications formerly
9829 1594 1283 39 National Internet Backbone
9583 1307 102 534 Sify Limited
7552 1250 1082 13 Viettel Corporation
9498 1241 311 77 BHARTI Airtel Ltd.
4808 1181 2123 359 CNCGROUP IP network China169
24560 1111 384 176 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 3020 3688 53 BellSouth.net Inc.
22773 2320 2938 140 Cox Communications Inc.
1785 2180 693 127 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1688 1673 576 Charter Communications
4323 1622 1089 412 tw telecom holdings, inc.
701 1491 11174 763 MCI Communications Services,
30036 1385 298 556 Mediacom Communications Corp
6983 1322 815 307 ITC^Deltacom
22561 1300 401 228 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
8402 1690 544 16 OJSC "Vimpelcom"
34984 1472 264 248 TELLCOM ILETISIM HIZMETLERI A
20940 1286 497 967 Akamai International B.V.
13188 1048 100 28 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 891 370 41 Bezeq International-Ltd
6849 830 361 34 JSC "Ukrtelecom"
6830 775 2331 426 Liberty Global Operations B.V
12479 712 798 51 France Telecom Espana SA
35228 555 246 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 3539 1938 93 NET Serviços de Comunicação S
10620 2776 443 182 Telmex Colombia S.A.
18881 1916 972 21 Global Village Telecom
7303 1696 1169 219 Telecom Argentina S.A.
8151 1374 2883 415 Uninet S.A. de C.V.
6503 943 434 61 Axtel, S.A.B. de C.V.
11830 875 364 15 Instituto Costarricense de El
27947 853 113 48 Telconet S.A
7738 846 1626 39 Telemar Norte Leste S.A.
3816 783 316 126 COLOMBIA TELECOMUNICACIONES S
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 1638 240 6 Sudanese Mobile Telephone (ZA
24863 922 376 28 Link Egypt (Link.NET)
6713 602 685 28 Office National des Postes et
8452 529 958 13 TE-AS
24835 299 144 9 Vodafone Data
36992 264 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29571 207 22 17 Cote d'Ivoire Telecom
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 3539 1938 93 NET Serviços de Comunicação S
6389 3020 3688 53 BellSouth.net Inc.
4766 2983 11580 895 Korea Telecom
10620 2776 443 182 Telmex Colombia S.A.
17974 2757 903 78 PT Telekomunikasi Indonesia
22773 2320 2938 140 Cox Communications Inc.
7545 2196 320 117 TPG Telecom Limited
1785 2180 693 127 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
18881 1916 972 21 Global Village Telecom
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 3020 2967 BellSouth.net Inc.
17974 2757 2679 PT Telekomunikasi Indonesia
10620 2776 2594 Telmex Colombia S.A.
22773 2320 2180 Cox Communications Inc.
4766 2983 2088 Korea Telecom
7545 2196 2079 TPG Telecom Limited
1785 2180 2053 PaeTec Communications, Inc.
18881 1916 1895 Global Village Telecom
18566 2048 1870 MegaPath Corporation
8402 1690 1674 OJSC "Vimpelcom"
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
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 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 /9:12 /10:30 /11:90 /12:255
/13:474 /14:953 /15:1652 /16:12863 /17:6749 /18:11504
/19:23775 /20:33619 /21:36378 /22:51935 /23:45220 /24:257403
/25:795 /26:942 /27:434 /28:12 /29:18 /30:7
/31:1 /32:38
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
6389 1696 3020 BellSouth.net Inc.
36998 1599 1638 Sudanese Mobile Telephone (ZA
22773 1560 2320 Cox Communications Inc.
8402 1371 1690 OJSC "Vimpelcom"
30036 1223 1385 Mediacom Communications Corp
11492 1174 1221 CABLE ONE, INC.
1785 1166 2180 PaeTec Communications, Inc.
6983 1040 1322 ITC^Deltacom
34984 999 1472 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:988 2:760 3:3 4:16 5:910 6:19
8:658 12:1858 13:4 14:961 15:9 16:3
17:27 18:21 20:35 23:762 24:1722 27:1766
31:1526 32:44 33:2 34:5 36:118 37:1803
38:927 39:4 40:193 41:3091 42:247 44:18
46:2146 47:15 49:673 50:919 52:12 54:45
55:8 57:26 58:1168 59:596 60:380 61:1524
62:1258 63:1981 64:4353 65:2249 66:4204 67:2066
68:1030 69:3303 70:839 71:471 72:1956 74:2668
75:312 76:394 77:1199 78:989 79:681 80:1298
81:1124 82:665 83:743 84:746 85:1287 86:417
87:1071 88:522 89:1727 90:151 91:5751 92:659
93:1689 94:2030 95:1498 96:535 97:352 98:1069
99:41 100:50 101:791 103:4386 105:534 106:166
107:546 108:547 109:2007 110:997 111:1254 112:634
113:825 114:873 115:1118 116:1039 117:873 118:1322
119:1293 120:365 121:791 122:1920 123:1263 124:1457
125:1452 128:639 129:242 130:360 131:661 132:357
133:157 134:319 135:74 136:248 137:301 138:349
139:159 140:212 141:362 142:559 143:429 144:497
145:97 146:596 147:459 148:792 149:342 150:161
151:580 152:420 153:204 154:93 155:461 156:334
157:368 158:224 159:863 160:353 161:478 162:1218
163:221 164:689 165:612 166:281 167:600 168:1026
169:123 170:1224 171:195 172:20 173:1627 174:680
175:603 176:1469 177:2810 178:1967 179:562 180:1640
181:976 182:1461 183:491 184:698 185:1367 186:2743
187:1455 188:1872 189:1300 190:7438 191:107 192:7146
193:5447 194:4014 195:3348 196:1347 197:1112 198:4959
199:5594 200:6048 201:2687 202:8968 203:8888 204:4659
205:2666 206:2946 207:2902 208:3972 209:3726 210:3072
211:1698 212:2216 213:2019 214:895 215:84 216:5510
217:1688 218:565 219:321 220:1296 221:595 222:342
223:605
End of report
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