[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 26 18:36:00 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 27 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460435
Prefixes after maximum aggregation: 186881
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228600
Total ASes present in the Internet Routing Table: 44598
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34884
Origin ASes announcing only one prefix: 16214
Transit ASes present in the Internet Routing Table: 5907
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3375
Unregistered ASNs in the Routing Table: 1298
Number of 32-bit ASNs allocated by the RIRs: 4901
Number of 32-bit ASNs visible in the Routing Table: 3807
Prefixes from 32-bit ASNs in the Routing Table: 11468
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 259
Number of addresses announced to Internet: 2631203148
Equivalent to 156 /8s, 212 /16s and 249 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 161515
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110492
Total APNIC prefixes after maximum aggregation: 33889
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112225
Unique aggregates announced from the APNIC address blocks: 46027
APNIC Region origin ASes present in the Internet Routing Table: 4863
APNIC Prefixes per ASN: 23.08
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 614
Number of APNIC addresses announced to Internet: 726272224
Equivalent to 43 /8s, 74 /16s and 8 /24s
Percentage of available APNIC address space announced: 84.9
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: 159674
Total ARIN prefixes after maximum aggregation: 80509
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160279
Unique aggregates announced from the ARIN address blocks: 74140
ARIN Region origin ASes present in the Internet Routing Table: 15804
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5999
ARIN Region transit ASes present in the Internet Routing Table: 1653
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: 19
Number of ARIN addresses announced to Internet: 1068179008
Equivalent to 63 /8s, 171 /16s and 30 /24s
Percentage of available ARIN address space announced: 56.5
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: 117958
Total RIPE prefixes after maximum aggregation: 60387
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 121771
Unique aggregates announced from the RIPE address blocks: 78842
RIPE Region origin ASes present in the Internet Routing Table: 17315
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8222
RIPE Region transit ASes present in the Internet Routing Table: 2833
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2378
Number of RIPE addresses announced to Internet: 656056228
Equivalent to 39 /8s, 26 /16s and 159 /24s
Percentage of available RIPE address space announced: 95.4
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: 49151
Total LACNIC prefixes after maximum aggregation: 9509
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 53708
Unique aggregates announced from the LACNIC address blocks: 25426
LACNIC Region origin ASes present in the Internet Routing Table: 1993
LACNIC Prefixes per ASN: 26.95
LACNIC Region origin ASes announcing only one prefix: 584
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 790
Number of LACNIC addresses announced to Internet: 133823624
Equivalent to 7 /8s, 249 /16s and 252 /24s
Percentage of available LACNIC address space announced: 79.8
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: 11601
Total AfriNIC prefixes after maximum aggregation: 2546
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12193
Unique aggregates announced from the AfriNIC address blocks: 3924
AfriNIC Region origin ASes present in the Internet Routing Table: 640
AfriNIC Prefixes per ASN: 19.05
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 46542848
Equivalent to 2 /8s, 198 /16s and 48 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2908 11560 919 Korea Telecom (KIX)
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2033 320 109 TPG Internet Pty Ltd
4755 1765 392 195 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1173 2153 339 CNCGROUP IP network: China169
9498 1169 309 71 BHARTI Airtel Ltd.
7552 1160 1080 13 Vietel Corporation
24560 1086 394 164 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 2982 3690 65 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2007 678 127 PaeTec Communications, Inc.
22773 2000 2927 124 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1524 11120 801 UUNET Technologies, Inc.
30036 1339 302 659 Mediacom Communications Corp
7018 1304 11036 821 AT&T WorldNet Services
11492 1221 218 363 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 1578 544 16 Corbina telecom
34984 1296 244 222 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 976 43 22 FreeNet ISP
20940 939 327 738 Akamai Technologies European
13188 838 98 81 Educational Network
6830 831 2372 441 UPC Distribution Services
8551 779 370 45 Bezeq International
12479 685 793 56 Uni2 Autonomous System
34744 602 159 114 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 2957 1591 110 NET Servicos de Comunicao S.A
10620 2639 420 226 TVCABLE BOGOTA
7303 1730 1155 220 Telecom Argentina Stet-France
8151 1273 2750 385 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 833 94 91 Telconet S.A
6503 818 434 63 AVANTEL, S.A.
3816 719 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 621 88 65 Servicios Alestra S.A de C.V
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 1815 112 5 MOBITEL
24863 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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 2982 3690 65 bellsouth.net, inc.
28573 2957 1591 110 NET Servicos de Comunicao S.A
4766 2908 11560 919 Korea Telecom (KIX)
10620 2639 420 226 TVCABLE BOGOTA
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2033 320 109 TPG Internet Pty Ltd
1785 2007 678 127 PaeTec Communications, Inc.
22773 2000 2927 124 Cox Communications, Inc.
36998 1815 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2957 2847 NET Servicos de Comunicao S.A
17974 2618 2526 PT TELEKOMUNIKASI INDONESIA
10620 2639 2413 TVCABLE BOGOTA
4766 2908 1989 Korea Telecom (KIX)
7545 2033 1924 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2007 1880 PaeTec Communications, Inc.
22773 2000 1876 Cox Communications, Inc.
36998 1815 1810 MOBITEL
4755 1765 1570 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
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
30621 UNALLOCATED 12.151.74.0/23 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 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 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 /8:16 /9:11 /10:30 /11:92 /12:251
/13:478 /14:906 /15:1602 /16:12732 /17:6643 /18:11081
/19:22505 /20:32121 /21:34670 /22:48474 /23:42550 /24:242336
/25:1298 /26:1641 /27:848 /28:44 /29:71 /30:17
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
36998 1780 1815 MOBITEL
6389 1714 2982 bellsouth.net, inc.
22773 1302 2000 Cox Communications, Inc.
8402 1270 1578 Corbina telecom
30036 1205 1339 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1074 2007 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 984 2639 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:827 2:711 3:3 4:19 5:843 6:17
8:572 12:1912 13:2 14:864 15:11 16:3
17:10 20:17 23:296 24:1769 27:1504 31:1305
32:45 33:2 34:5 36:60 37:1849 38:890
39:2 40:175 41:3282 42:247 44:8 46:1946
47:2 49:673 50:817 52:12 54:35 55:8
57:26 58:1161 59:581 60:331 61:1424 62:1166
63:2009 64:4357 65:2149 66:4190 67:2022 68:1096
69:3285 70:797 71:490 72:1918 74:2500 75:324
76:306 77:1117 78:1022 79:601 80:1294 81:1009
82:635 83:584 84:581 85:1206 86:468 87:1027
88:543 89:1801 90:150 91:5538 92:623 93:1745
94:1925 95:1613 96:518 97:344 98:1026 99:43
100:30 101:347 103:3036 105:522 106:140 107:208
108:520 109:1856 110:945 111:1071 112:564 113:817
114:700 115:1014 116:953 117:822 118:1142 119:1288
120:372 121:740 122:1802 123:1241 124:1374 125:1390
128:643 129:223 130:309 131:669 132:360 133:160
134:268 135:72 136:239 137:242 138:342 139:190
140:211 141:329 142:533 143:382 144:512 145:98
146:527 147:401 148:662 149:351 150:147 151:552
152:414 153:189 154:27 155:414 156:267 157:394
158:278 159:744 160:350 161:452 162:498 163:225
164:583 165:507 166:252 167:596 168:1027 169:127
170:1065 171:184 172:23 173:1595 174:557 175:497
176:1129 177:2174 178:1864 179:74 180:1485 181:564
182:1273 183:419 184:668 185:696 186:2290 187:1375
188:1894 189:1286 190:6755 192:6832 193:5711 194:4713
195:3588 196:1344 197:942 198:4554 199:5364 200:6015
201:2241 202:8832 203:8886 204:4511 205:2600 206:2825
207:2874 208:4001 209:3575 210:2923 211:1523 212:2225
213:2019 214:915 215:99 216:5266 217:1610 218:615
219:313 220:1283 221:552 222:321 223:449
End of report
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