[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 11 18:33:06 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 12 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437884
Prefixes after maximum aggregation: 181348
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 215724
Total ASes present in the Internet Routing Table: 43020
Prefixes per ASN: 10.18
Origin-only ASes present in the Internet Routing Table: 34017
Origin ASes announcing only one prefix: 15902
Transit ASes present in the Internet Routing Table: 5722
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 373
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3639
Number of 32-bit ASNs visible in the Routing Table: 3281
Prefixes from 32-bit ASNs in the Routing Table: 8953
Special use prefixes present in the Routing Table: 17
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2624098700
Equivalent to 156 /8s, 104 /16s and 145 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154190
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105545
Total APNIC prefixes after maximum aggregation: 32889
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106522
Unique aggregates announced from the APNIC address blocks: 43560
APNIC Region origin ASes present in the Internet Routing Table: 4811
APNIC Prefixes per ASN: 22.14
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 808
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 405
Number of APNIC addresses announced to Internet: 717167616
Equivalent to 42 /8s, 191 /16s and 28 /24s
Percentage of available APNIC address space announced: 83.8
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: 155202
Total ARIN prefixes after maximum aggregation: 78549
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155836
Unique aggregates announced from the ARIN address blocks: 70811
ARIN Region origin ASes present in the Internet Routing Table: 15378
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5809
ARIN Region transit ASes present in the Internet Routing Table: 1584
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1090815872
Equivalent to 65 /8s, 4 /16s and 135 /24s
Percentage of available ARIN address space announced: 57.7
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, 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: 112644
Total RIPE prefixes after maximum aggregation: 58422
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115645
Unique aggregates announced from the RIPE address blocks: 74206
RIPE Region origin ASes present in the Internet Routing Table: 17024
RIPE Prefixes per ASN: 6.79
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2777
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2119
Number of RIPE addresses announced to Internet: 650343140
Equivalent to 38 /8s, 195 /16s and 114 /24s
Percentage of available RIPE address space announced: 94.5
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, 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: 45528
Total LACNIC prefixes after maximum aggregation: 9059
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 49198
Unique aggregates announced from the LACNIC address blocks: 23241
LACNIC Region origin ASes present in the Internet Routing Table: 1769
LACNIC Prefixes per ASN: 27.81
LACNIC Region origin ASes announcing only one prefix: 500
LACNIC Region transit ASes present in the Internet Routing Table: 339
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 734
Number of LACNIC addresses announced to Internet: 121449000
Equivalent to 7 /8s, 61 /16s and 42 /24s
Percentage of available LACNIC address space announced: 72.4
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: 9891
Total AfriNIC prefixes after maximum aggregation: 2377
AfriNIC Deaggregation factor: 4.16
Prefixes being announced from the AfriNIC address blocks: 10510
Unique aggregates announced from the AfriNIC address blocks: 3752
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 6
Number of AfriNIC addresses announced to Internet: 44029440
Equivalent to 2 /8s, 159 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 43.7
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 2952 11556 921 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1818 301 88 TPG Internet Pty Ltd
4755 1662 381 175 TATA Communications formerly
9829 1422 1156 42 BSNL National Internet Backbo
9583 1200 89 502 Sify Limited
7552 1128 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1052 310 74 BHARTI Airtel Ltd.
24560 1037 385 160 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 3112 3701 129 bellsouth.net, inc.
7029 2289 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1955 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1685 1607 624 Charter Communications
4323 1598 1155 396 Time Warner Telecom
30036 1357 288 697 Mediacom Communications Corp
7018 1302 10550 859 AT&T WorldNet Services
7011 1206 321 685 Citizens Utilities
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 1863 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 906 212 230 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 771 96 117 Educational Network
31148 744 38 14 FreeNet ISP
20940 731 242 575 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM 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 2278 1302 78 NET Servicos de Comunicao S.A
10620 2275 388 212 TVCABLE BOGOTA
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1544 2900 365 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 770 85 95 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 602 86 66 Servicios Alestra S.A de C.V
7738 587 1242 34 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
24863 886 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 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 3112 3701 129 bellsouth.net, inc.
4766 2952 11556 921 Korea Telecom (KIX)
17974 2484 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2289 1265 212 Windstream Communications Inc
28573 2278 1302 78 NET Servicos de Comunicao S.A
10620 2275 388 212 TVCABLE BOGOTA
18566 2081 382 180 Covad Communications
22773 1955 2932 131 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1863 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 2484 2431 PT TELEKOMUNIKASI INDONESIA
28573 2278 2200 NET Servicos de Comunicao S.A
7029 2289 2077 Windstream Communications Inc
10620 2275 2063 TVCABLE BOGOTA
4766 2952 2031 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
8402 1863 1847 Corbina telecom
22773 1955 1824 Cox Communications, Inc.
1785 1946 1822 PaeTec Communications, Inc.
7545 1818 1730 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
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
26064 UNALLOCATED 12.149.37.0/24 7018 AT&T WorldNet Servic
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
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /8:18 /9:13 /10:29 /11:87 /12:245
/13:478 /14:860 /15:1548 /16:12501 /17:6586 /18:10934
/19:21636 /20:31125 /21:33155 /22:44421 /23:40713 /24:229361
/25:1316 /26:1696 /27:872 /28:178 /29:74 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3112 bellsouth.net, inc.
7029 1645 2289 Windstream Communications Inc
8402 1584 1863 Corbina telecom
22773 1286 1955 Cox Communications, Inc.
30036 1254 1357 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:696 2:762 3:3 4:13 5:719 6:3
8:486 12:1922 13:3 14:699 15:11 16:3
17:6 20:27 23:220 24:1795 27:1475 31:1120
32:54 33:2 34:2 36:10 37:1172 38:838
39:2 40:139 41:2668 42:181 44:3 46:1727
47:3 49:537 50:652 52:12 54:28 55:7
57:28 58:1072 59:563 60:234 61:1318 62:1036
63:2039 64:4306 65:2161 66:4277 67:2119 68:1133
69:3310 70:862 71:535 72:1883 74:2547 75:414
76:294 77:1051 78:1007 79:538 80:1221 81:975
82:659 83:537 84:529 85:1155 86:467 87:974
88:359 89:1741 90:303 91:5383 92:608 93:1614
94:1990 95:1672 96:484 97:338 98:971 99:52
100:31 101:299 103:1981 105:583 106:126 107:207
108:503 109:1741 110:844 111:994 112:469 113:738
114:680 115:919 116:901 117:776 118:965 119:1279
120:332 121:702 122:1732 123:1185 124:1314 125:1303
128:558 129:202 130:310 131:644 132:318 133:142
134:255 135:62 136:216 137:234 138:342 139:160
140:217 141:315 142:516 143:372 144:479 145:89
146:521 147:293 148:733 149:335 150:163 151:258
152:399 153:188 154:24 155:448 156:232 157:379
158:257 159:694 160:335 161:422 162:367 163:193
164:582 165:461 166:458 167:570 168:1006 169:131
170:1003 171:162 172:4 173:1516 174:752 175:416
176:960 177:1536 178:1710 180:1372 181:195 182:1167
183:297 184:653 185:163 186:2184 187:1460 188:1924
189:1567 190:6216 192:6122 193:5723 194:4498 195:3597
196:1238 197:302 198:4075 199:5166 200:5991 201:2031
202:8778 203:8734 204:4473 205:2543 206:2791 207:2772
208:4077 209:3529 210:2901 211:1561 212:2005 213:1886
214:898 215:90 216:5057 217:1583 218:598 219:325
220:1264 221:528 222:324 223:401
End of report
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