[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 5 18:33:18 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 06 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 457245
Prefixes after maximum aggregation: 186378
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 227307
Total ASes present in the Internet Routing Table: 44422
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 34778
Origin ASes announcing only one prefix: 16159
Transit ASes present in the Internet Routing Table: 5883
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: 2057
Unregistered ASNs in the Routing Table: 954
Number of 32-bit ASNs allocated by the RIRs: 4849
Number of 32-bit ASNs visible in the Routing Table: 3761
Prefixes from 32-bit ASNs in the Routing Table: 11148
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 229
Number of addresses announced to Internet: 2627368716
Equivalent to 156 /8s, 154 /16s and 119 /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: 160122
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109526
Total APNIC prefixes after maximum aggregation: 33712
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111400
Unique aggregates announced from the APNIC address blocks: 45812
APNIC Region origin ASes present in the Internet Routing Table: 4855
APNIC Prefixes per ASN: 22.95
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 823
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: 594
Number of APNIC addresses announced to Internet: 725326816
Equivalent to 43 /8s, 59 /16s and 155 /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: 158961
Total ARIN prefixes after maximum aggregation: 80408
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159568
Unique aggregates announced from the ARIN address blocks: 73819
ARIN Region origin ASes present in the Internet Routing Table: 15747
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5988
ARIN Region transit ASes present in the Internet Routing Table: 1638
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: 1065545024
Equivalent to 63 /8s, 130 /16s and 237 /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: 117757
Total RIPE prefixes after maximum aggregation: 60247
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 121219
Unique aggregates announced from the RIPE address blocks: 78510
RIPE Region origin ASes present in the Internet Routing Table: 17267
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8183
RIPE Region transit ASes present in the Internet Routing Table: 2837
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: 2372
Number of RIPE addresses announced to Internet: 656761444
Equivalent to 39 /8s, 37 /16s and 98 /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, 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: 48702
Total LACNIC prefixes after maximum aggregation: 9452
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 53152
Unique aggregates announced from the LACNIC address blocks: 24967
LACNIC Region origin ASes present in the Internet Routing Table: 1970
LACNIC Prefixes per ASN: 26.98
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 360
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: 770
Number of LACNIC addresses announced to Internet: 133069448
Equivalent to 7 /8s, 238 /16s and 122 /24s
Percentage of available LACNIC address space announced: 79.3
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: 11061
Total AfriNIC prefixes after maximum aggregation: 2518
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 11677
Unique aggregates announced from the AfriNIC address blocks: 3988
AfriNIC Region origin ASes present in the Internet Routing Table: 645
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46364160
Equivalent to 2 /8s, 195 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2939 11561 922 Korea Telecom (KIX)
17974 2569 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2026 320 108 TPG Internet Pty Ltd
4755 1754 391 192 TATA Communications formerly
9829 1517 1205 40 BSNL National Internet Backbo
9583 1462 117 563 Sify Limited
4808 1173 2151 340 CNCGROUP IP network: China169
9498 1149 309 71 BHARTI Airtel Ltd.
7552 1130 1080 13 Vietel Corporation
24560 1080 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 2990 3691 69 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 1997 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
20115 1667 1618 620 Charter Communications
4323 1621 1137 403 Time Warner Telecom
701 1531 11127 798 UUNET Technologies, Inc.
30036 1338 300 662 Mediacom Communications Corp
7018 1295 11035 819 AT&T WorldNet Services
11492 1223 218 359 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 1280 244 222 BILISIM TELEKOM
2118 1271 97 13 EUnet/RELCOM Autonomous Syste
20940 907 318 712 Akamai Technologies European
31148 808 40 25 FreeNet ISP
13188 788 95 93 Educational Network
6830 782 2375 439 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 673 789 57 Uni2 Autonomous System
34744 656 171 76 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 2918 1576 107 NET Servicos de Comunicao S.A
10620 2684 421 191 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1256 2743 382 UniNet S.A. de C.V.
18881 1092 844 20 Global Village Telecom
6503 862 434 65 AVANTEL, S.A.
27947 824 94 93 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
22047 585 334 15 VTR PUNTO NET 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 1298 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 461 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 219 17 12 Ci Telecom Autonomous system
36992 203 527 21 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 2990 3691 69 bellsouth.net, inc.
4766 2939 11561 922 Korea Telecom (KIX)
28573 2918 1576 107 NET Servicos de Comunicao S.A
10620 2684 421 191 TVCABLE BOGOTA
17974 2569 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2026 320 108 TPG Internet Pty Ltd
1785 1997 678 126 PaeTec Communications, Inc.
22773 1988 2927 123 Cox Communications, Inc.
4755 1754 391 192 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 2918 2811 NET Servicos de Comunicao S.A
10620 2684 2493 TVCABLE BOGOTA
17974 2569 2477 PT TELEKOMUNIKASI INDONESIA
4766 2939 2017 Korea Telecom (KIX)
7545 2026 1918 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
1785 1997 1871 PaeTec Communications, Inc.
22773 1988 1865 Cox Communications, Inc.
8402 1607 1591 Corbina telecom
4755 1754 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
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
128.0.16.0/21 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
128.0.57.0/24 60993 Totalsoft 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 /12:250
/13:482 /14:899 /15:1603 /16:12708 /17:6636 /18:11097
/19:22496 /20:32068 /21:34463 /22:48120 /23:42352 /24:240124
/25:1274 /26:1533 /27:847 /28:43 /29:67 /30:18
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1717 2990 bellsouth.net, inc.
8402 1317 1607 Corbina telecom
22773 1293 1988 Cox Communications, Inc.
36998 1266 1298 MOBITEL
30036 1206 1338 Mediacom Communications Corp
11492 1184 1223 Cable One
1785 1065 1997 PaeTec Communications, Inc.
6983 1015 1144 ITC^Deltacom
10620 998 2684 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:844 2:750 3:3 4:15 5:813 6:16
8:562 12:1920 13:3 14:863 15:11 16:3
17:10 20:17 23:295 24:1771 27:1473 31:1249
32:45 33:2 34:5 36:52 37:1851 38:878
39:2 40:171 41:2791 42:214 44:8 46:1917
47:2 49:664 50:750 52:12 54:35 55:4
57:26 58:1154 59:584 60:328 61:1409 62:1129
63:2013 64:4329 65:2160 66:4173 67:2029 68:1076
69:3279 70:835 71:491 72:1930 74:2465 75:324
76:309 77:1118 78:1011 79:619 80:1274 81:1016
82:630 83:592 84:588 85:1178 86:449 87:1012
88:544 89:1751 90:149 91:5516 92:606 93:1775
94:1895 95:1635 96:523 97:342 98:1016 99:42
100:30 101:320 103:2924 105:519 106:138 107:207
108:513 109:1840 110:912 111:1059 112:543 113:815
114:682 115:964 116:959 117:799 118:1092 119:1315
120:387 121:735 122:1796 123:1216 124:1375 125:1384
128:623 129:225 130:304 131:668 132:359 133:155
134:269 135:68 136:223 137:243 138:340 139:190
140:209 141:326 142:541 143:377 144:482 145:94
146:510 147:386 148:644 149:351 150:146 151:520
152:417 153:189 154:24 155:413 156:265 157:399
158:279 159:712 160:344 161:451 162:470 163:222
164:602 165:498 166:245 167:595 168:1021 169:128
170:1058 171:180 172:21 173:1594 174:544 175:474
176:1118 177:2133 178:1852 179:52 180:1459 181:500
182:1257 183:423 184:668 185:609 186:2303 187:1302
188:2062 189:1274 190:6773 192:6805 193:5850 194:4624
195:3462 196:1362 197:934 198:4504 199:5351 200:5972
201:2149 202:8788 203:8883 204:4510 205:2557 206:2808
207:2848 208:4019 209:3607 210:2923 211:1519 212:2187
213:1985 214:905 215:99 216:5249 217:1619 218:621
219:322 220:1281 221:557 222:321 223:451
End of report
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