[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 12 18:33:32 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 13 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 458665
Prefixes after maximum aggregation: 186702
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227996
Total ASes present in the Internet Routing Table: 44488
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34829
Origin ASes announcing only one prefix: 16175
Transit ASes present in the Internet Routing Table: 5881
Transit-only ASes present in the Internet Routing Table: 149
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2692
Unregistered ASNs in the Routing Table: 1140
Number of 32-bit ASNs allocated by the RIRs: 4870
Number of 32-bit ASNs visible in the Routing Table: 3778
Prefixes from 32-bit ASNs in the Routing Table: 11268
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 293
Number of addresses announced to Internet: 2628759084
Equivalent to 156 /8s, 175 /16s and 174 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 160376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110093
Total APNIC prefixes after maximum aggregation: 33771
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112014
Unique aggregates announced from the APNIC address blocks: 46055
APNIC Region origin ASes present in the Internet Routing Table: 4849
APNIC Prefixes per ASN: 23.10
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 826
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 601
Number of APNIC addresses announced to Internet: 725913568
Equivalent to 43 /8s, 68 /16s and 143 /24s
Percentage of available APNIC address space announced: 84.8
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: 159152
Total ARIN prefixes after maximum aggregation: 80574
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159683
Unique aggregates announced from the ARIN address blocks: 73949
ARIN Region origin ASes present in the Internet Routing Table: 15772
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5995
ARIN Region transit ASes present in the Internet Routing Table: 1641
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: 1066464064
Equivalent to 63 /8s, 144 /16s and 243 /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: 118497
Total RIPE prefixes after maximum aggregation: 60385
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121981
Unique aggregates announced from the RIPE address blocks: 78813
RIPE Region origin ASes present in the Internet Routing Table: 17289
RIPE Prefixes per ASN: 7.06
RIPE Region origin ASes announcing only one prefix: 8199
RIPE Region transit ASes present in the Internet Routing Table: 2831
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2376
Number of RIPE addresses announced to Internet: 656325988
Equivalent to 39 /8s, 30 /16s and 189 /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: 48671
Total LACNIC prefixes after maximum aggregation: 9411
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 53175
Unique aggregates announced from the LACNIC address blocks: 24939
LACNIC Region origin ASes present in the Internet Routing Table: 1977
LACNIC Prefixes per ASN: 26.90
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 362
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 776
Number of LACNIC addresses announced to Internet: 133326248
Equivalent to 7 /8s, 242 /16s and 101 /24s
Percentage of available LACNIC address space announced: 79.5
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: 10896
Total AfriNIC prefixes after maximum aggregation: 2521
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 11519
Unique aggregates announced from the AfriNIC address blocks: 3974
AfriNIC Region origin ASes present in the Internet Routing Table: 647
AfriNIC Prefixes per ASN: 17.80
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.8
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: 46329600
Equivalent to 2 /8s, 194 /16s and 239 /24s
Percentage of available AfriNIC address space announced: 46.0
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 2930 11560 919 Korea Telecom (KIX)
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2024 320 108 TPG Internet Pty Ltd
4755 1755 391 193 TATA Communications formerly
9829 1531 1220 44 BSNL National Internet Backbo
9583 1463 118 564 Sify Limited
4808 1172 2151 340 CNCGROUP IP network: China169
7552 1159 1080 13 Vietel Corporation
9498 1159 309 71 BHARTI Airtel Ltd.
24560 1085 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 2988 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
20115 1663 1617 616 Charter Communications
4323 1613 1134 403 Time Warner Telecom
701 1531 11127 798 UUNET Technologies, Inc.
30036 1351 304 657 Mediacom Communications Corp
7018 1298 11034 820 AT&T WorldNet Services
11492 1224 218 360 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 1607 544 16 Corbina telecom
34984 1294 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 907 313 720 Akamai Technologies European
13188 837 98 81 Educational Network
31148 801 40 25 FreeNet ISP
6830 786 2376 441 UPC Distribution Services
8551 782 370 45 Bezeq International
12479 679 789 57 Uni2 Autonomous System
34744 648 160 85 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 2902 1586 111 NET Servicos de Comunicao S.A
10620 2685 421 202 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1269 2747 384 UniNet S.A. de C.V.
18881 1119 844 20 Global Village Telecom
27947 829 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 718 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 619 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 1172 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 453 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 220 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 205 527 22 Etisalat MISR
12258 194 28 67 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 2988 3691 69 bellsouth.net, inc.
4766 2930 11560 919 Korea Telecom (KIX)
28573 2902 1586 111 NET Servicos de Comunicao S.A
10620 2685 421 202 TVCABLE BOGOTA
17974 2580 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2024 320 108 TPG Internet Pty Ltd
1785 1999 678 126 PaeTec Communications, Inc.
22773 1992 2927 123 Cox Communications, Inc.
4755 1755 391 193 TATA Communications formerly
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 2902 2791 NET Servicos de Comunicao S.A
17974 2580 2488 PT TELEKOMUNIKASI INDONESIA
10620 2685 2483 TVCABLE BOGOTA
4766 2930 2011 Korea Telecom (KIX)
7545 2024 1916 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1999 1873 PaeTec Communications, Inc.
22773 1992 1869 Cox Communications, Inc.
8402 1607 1591 Corbina telecom
4755 1755 1562 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
59628 UNALLOCATED 5.200.128.0/17 48159 Telecommunication In
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
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>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
128.0.55.0/24 48571 SC efectRO SRL
128.0.56.0/24 60996 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.200.128.0/17 59628 >>UNKNOWN<<
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.
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 /12:250
/13:482 /14:901 /15:1602 /16:12723 /17:6656 /18:11056
/19:22498 /20:32123 /21:34527 /22:48387 /23:42402 /24:241094
/25:1275 /26:1531 /27:863 /28:41 /29:68 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1716 2988 bellsouth.net, inc.
8402 1305 1607 Corbina telecom
22773 1295 1992 Cox Communications, Inc.
30036 1218 1351 Mediacom Communications Corp
11492 1185 1224 Cable One
36998 1140 1172 MOBITEL
1785 1068 1999 PaeTec Communications, Inc.
6983 1018 1147 ITC^Deltacom
10620 1000 2685 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:839 2:735 3:3 4:19 5:806 6:16
8:563 12:1912 13:3 14:857 15:11 16:3
17:10 20:17 23:305 24:1779 27:1485 31:1318
32:45 33:2 34:5 36:59 37:1865 38:879
39:2 40:171 41:2755 42:229 44:8 46:1956
47:2 49:659 50:756 52:12 54:35 55:5
57:26 58:1157 59:583 60:328 61:1415 62:1126
63:2013 64:4337 65:2160 66:4179 67:2020 68:1075
69:3296 70:796 71:491 72:1941 74:2468 75:323
76:308 77:1144 78:1003 79:614 80:1272 81:1018
82:634 83:582 84:595 85:1192 86:459 87:1020
88:544 89:1788 90:149 91:5526 92:618 93:1778
94:1934 95:1693 96:524 97:342 98:1024 99:42
100:30 101:586 103:2927 105:472 106:139 107:208
108:513 109:1866 110:921 111:1063 112:552 113:815
114:693 115:993 116:967 117:801 118:1116 119:1319
120:384 121:739 122:1802 123:1221 124:1375 125:1392
128:638 129:223 130:309 131:670 132:360 133:155
134:269 135:68 136:256 137:243 138:340 139:191
140:201 141:326 142:543 143:392 144:503 145:98
146:525 147:398 148:669 149:352 150:148 151:520
152:415 153:189 154:28 155:416 156:265 157:398
158:279 159:721 160:344 161:450 162:480 163:225
164:581 165:501 166:254 167:596 168:1028 169:129
170:1061 171:181 172:23 173:1592 174:545 175:484
176:1131 177:2138 178:1871 179:62 180:1463 181:492
182:1263 183:421 184:670 185:635 186:2313 187:1328
188:2106 189:1254 190:6630 192:6852 193:5860 194:4633
195:3467 196:1350 197:898 198:4507 199:5349 200:6003
201:2171 202:8829 203:8882 204:4503 205:2566 206:2833
207:2846 208:4012 209:3598 210:2902 211:1519 212:2181
213:1998 214:911 215:99 216:5251 217:1614 218:620
219:321 220:1277 221:559 222:321 223:446
End of report
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