[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 1 18:33:03 UTC 2013
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 02 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 444878
Prefixes after maximum aggregation: 182918
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 218369
Total ASes present in the Internet Routing Table: 43457
Prefixes per ASN: 10.24
Origin-only ASes present in the Internet Routing Table: 34242
Origin ASes announcing only one prefix: 15961
Transit ASes present in the Internet Routing Table: 5781
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 368
Unregistered ASNs in the Routing Table: 135
Number of 32-bit ASNs allocated by the RIRs: 3798
Number of 32-bit ASNs visible in the Routing Table: 3434
Prefixes from 32-bit ASNs in the Routing Table: 9541
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 189
Number of addresses announced to Internet: 2619399116
Equivalent to 156 /8s, 32 /16s and 219 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.3
Total number of prefixes smaller than registry allocations: 157249
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106846
Total APNIC prefixes after maximum aggregation: 33105
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 107946
Unique aggregates announced from the APNIC address blocks: 44071
APNIC Region origin ASes present in the Internet Routing Table: 4814
APNIC Prefixes per ASN: 22.42
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 444
Number of APNIC addresses announced to Internet: 719060672
Equivalent to 42 /8s, 219 /16s and 254 /24s
Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 156262
Total ARIN prefixes after maximum aggregation: 79028
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156968
Unique aggregates announced from the ARIN address blocks: 71372
ARIN Region origin ASes present in the Internet Routing Table: 15506
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5863
ARIN Region transit ASes present in the Internet Routing Table: 1616
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1076685952
Equivalent to 64 /8s, 44 /16s and 236 /24s
Percentage of available ARIN address space announced: 57.0
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, 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: 114097
Total RIPE prefixes after maximum aggregation: 59042
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 117377
Unique aggregates announced from the RIPE address blocks: 75202
RIPE Region origin ASes present in the Internet Routing Table: 17091
RIPE Prefixes per ASN: 6.87
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2779
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2221
Number of RIPE addresses announced to Internet: 653859172
Equivalent to 38 /8s, 249 /16s and 25 /24s
Percentage of available RIPE address space announced: 95.1
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, 196608-199679
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: 47375
Total LACNIC prefixes after maximum aggregation: 9238
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 51180
Unique aggregates announced from the LACNIC address blocks: 23762
LACNIC Region origin ASes present in the Internet Routing Table: 1843
LACNIC Prefixes per ASN: 27.77
LACNIC Region origin ASes announcing only one prefix: 537
LACNIC Region transit ASes present in the Internet Routing Table: 349
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 744
Number of LACNIC addresses announced to Internet: 124216104
Equivalent to 7 /8s, 103 /16s and 99 /24s
Percentage of available LACNIC address space announced: 74.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 10628
Total AfriNIC prefixes after maximum aggregation: 2454
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 11218
Unique aggregates announced from the AfriNIC address blocks: 3792
AfriNIC Region origin ASes present in the Internet Routing Table: 601
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 180
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 45241088
Equivalent to 2 /8s, 178 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 44.9
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 2930 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
7545 1828 301 89 TPG Internet Pty Ltd
4755 1696 382 190 TATA Communications formerly
9829 1426 1140 43 BSNL National Internet Backbo
9583 1215 91 502 Sify Limited
7552 1161 1070 12 Vietel Corporation
4808 1117 2058 322 CNCGROUP IP network: China169
9498 1066 310 75 BHARTI Airtel Ltd.
24560 1047 385 161 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 3051 3695 96 bellsouth.net, inc.
7029 2148 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
20115 1695 1611 620 Charter Communications
4323 1611 1140 401 Time Warner Telecom
30036 1343 288 682 Mediacom Communications Corp
7018 1302 10553 854 AT&T WorldNet Services
11492 1208 221 335 Cable One
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 1858 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1065 232 204 BILISIM TELEKOM
13188 841 99 22 Educational Network
12479 831 783 68 Uni2 Autonomous System
31148 766 39 17 FreeNet ISP
20940 759 257 602 Akamai Technologies European
8551 715 370 43 Bezeq International
6830 713 2313 434 UPC Distribution Services
34744 675 186 28 SC GVM SISTEM 2003 SRL
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 2387 1330 84 NET Servicos de Comunicao S.A
10620 2340 402 232 TVCABLE BOGOTA
7303 1681 1147 207 Telecom Argentina Stet-France
6503 1393 435 68 AVANTEL, S.A.
8151 1376 2805 407 UniNet S.A. de C.V.
14754 940 127 75 Telgua S. A.
18881 799 716 18 Global Village Telecom
27947 785 86 101 Telconet S.A
3816 688 306 85 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia 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
36998 1286 80 4 MOBITEL
24863 865 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 530 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 186 696 90 MTN Network Solutions
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
6389 3051 3695 96 bellsouth.net, inc.
4766 2930 11558 923 Korea Telecom (KIX)
17974 2500 840 86 PT TELEKOMUNIKASI INDONESIA
28573 2387 1330 84 NET Servicos de Comunicao S.A
10620 2340 402 232 TVCABLE BOGOTA
7029 2148 1265 210 Windstream Communications Inc
18566 2080 382 185 Covad Communications
22773 1986 2929 124 Cox Communications, Inc.
1785 1957 677 123 PaeTec Communications, Inc.
8402 1858 544 16 Corbina 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
17974 2500 2414 PT TELEKOMUNIKASI INDONESIA
28573 2387 2303 NET Servicos de Comunicao S.A
10620 2340 2108 TVCABLE BOGOTA
4766 2930 2007 Korea Telecom (KIX)
7029 2148 1938 Windstream Communications Inc
18566 2080 1895 Covad Communications
22773 1986 1862 Cox Communications, Inc.
8402 1858 1842 Corbina telecom
1785 1957 1834 PaeTec Communications, Inc.
7545 1828 1739 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65119 PRIVATE 8.36.67.0/24 6352 E*Trade Group
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
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 /8:17 /9:13 /10:29 /11:88 /12:247
/13:483 /14:869 /15:1564 /16:12632 /17:6623 /18:10909
/19:21729 /20:31372 /21:33459 /22:45969 /23:41343 /24:233225
/25:1387 /26:1765 /27:859 /28:183 /29:75 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2030 2080 Covad Communications
6389 1752 3051 bellsouth.net, inc.
8402 1587 1858 Corbina telecom
7029 1555 2148 Windstream Communications Inc
22773 1302 1986 Cox Communications, Inc.
36998 1280 1286 MOBITEL
30036 1230 1343 Mediacom Communications Corp
11492 1170 1208 Cable One
1785 1038 1957 PaeTec Communications, Inc.
7011 956 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:716 2:778 3:3 4:13 5:764 6:3
8:504 12:1932 13:3 14:746 15:11 16:3
17:8 20:24 23:241 24:1799 27:1455 31:1141
32:54 33:2 34:5 36:11 37:1306 38:857
39:2 40:153 41:2708 42:177 44:3 46:1767
47:1 49:609 50:663 52:12 54:28 55:10
57:28 58:1079 59:559 60:278 61:1339 62:1036
63:2033 64:4306 65:2168 66:4248 67:2050 68:1126
69:3263 70:861 71:525 72:1902 74:2548 75:413
76:295 77:1089 78:1051 79:572 80:1241 81:974
82:608 83:549 84:560 85:1160 86:478 87:945
88:371 89:1749 90:262 91:5421 92:603 93:1743
94:2088 95:1569 96:499 97:335 98:1035 99:40
100:30 101:308 103:2226 105:517 106:131 107:207
108:511 109:1796 110:851 111:1030 112:492 113:741
114:683 115:921 116:881 117:798 118:981 119:1275
120:376 121:705 122:1740 123:1190 124:1317 125:1315
128:536 129:205 130:318 131:639 132:329 133:143
134:253 135:62 136:221 137:234 138:342 139:168
140:213 141:316 142:523 143:376 144:481 145:88
146:519 147:349 148:712 149:353 150:152 151:409
152:401 153:191 154:29 155:374 156:243 157:391
158:260 159:711 160:336 161:420 162:369 163:208
164:578 165:447 166:416 167:572 168:1008 169:130
170:1025 171:165 172:4 173:1577 174:580 175:424
176:1127 177:1707 178:1743 179:1 180:1370 181:256
182:1192 183:331 184:645 185:266 186:2316 187:1309
188:1924 189:1534 190:6616 192:6373 193:5658 194:4500
195:3492 196:1311 197:925 198:4166 199:5234 200:6064
201:2223 202:8926 203:8755 204:4498 205:2556 206:2790
207:2787 208:4068 209:3523 210:2898 211:1563 212:1977
213:1923 214:906 215:95 216:5212 217:1582 218:606
219:327 220:1266 221:549 222:332 223:470
End of report
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