[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 19 18:33:35 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 20 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 459588
Prefixes after maximum aggregation: 186889
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228557
Total ASes present in the Internet Routing Table: 44556
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 34873
Origin ASes announcing only one prefix: 16201
Transit ASes present in the Internet Routing Table: 5897
Transit-only ASes present in the Internet Routing Table: 150
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: 3294
Unregistered ASNs in the Routing Table: 1332
Number of 32-bit ASNs allocated by the RIRs: 4887
Number of 32-bit ASNs visible in the Routing Table: 3786
Prefixes from 32-bit ASNs in the Routing Table: 11394
Special use prefixes present in the Routing Table: 27
Prefixes being announced from unallocated address space: 264
Number of addresses announced to Internet: 2630581868
Equivalent to 156 /8s, 203 /16s and 126 /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: 94.7
Total number of prefixes smaller than registry allocations: 160716
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110373
Total APNIC prefixes after maximum aggregation: 33801
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 112375
Unique aggregates announced from the APNIC address blocks: 46225
APNIC Region origin ASes present in the Internet Routing Table: 4855
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 826
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: 605
Number of APNIC addresses announced to Internet: 726149792
Equivalent to 43 /8s, 72 /16s and 42 /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: 159451
Total ARIN prefixes after maximum aggregation: 80739
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 160053
Unique aggregates announced from the ARIN address blocks: 74115
ARIN Region origin ASes present in the Internet Routing Table: 15795
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 6003
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: 1067944512
Equivalent to 63 /8s, 167 /16s and 138 /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: 118451
Total RIPE prefixes after maximum aggregation: 60254
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 121926
Unique aggregates announced from the RIPE address blocks: 78676
RIPE Region origin ASes present in the Internet Routing Table: 17315
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8212
RIPE Region transit ASes present in the Internet Routing Table: 2835
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: 2376
Number of RIPE addresses announced to Internet: 656323556
Equivalent to 39 /8s, 30 /16s and 179 /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: 48852
Total LACNIC prefixes after maximum aggregation: 9509
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 53365
Unique aggregates announced from the LACNIC address blocks: 25309
LACNIC Region origin ASes present in the Internet Routing Table: 1985
LACNIC Prefixes per ASN: 26.88
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 363
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: 780
Number of LACNIC addresses announced to Internet: 133371048
Equivalent to 7 /8s, 243 /16s and 20 /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: 10977
Total AfriNIC prefixes after maximum aggregation: 2546
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 11605
Unique aggregates announced from the AfriNIC address blocks: 3986
AfriNIC Region origin ASes present in the Internet Routing Table: 643
AfriNIC Prefixes per ASN: 18.05
AfriNIC Region origin ASes announcing only one prefix: 186
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: 46422784
Equivalent to 2 /8s, 196 /16s and 91 /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 2922 11560 918 Korea Telecom (KIX)
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2030 320 108 TPG Internet Pty Ltd
4755 1757 391 192 TATA Communications formerly
9829 1536 1220 44 BSNL National Internet Backbo
9583 1221 92 505 Sify Limited
4808 1171 2152 336 CNCGROUP IP network: China169
9498 1161 309 71 BHARTI Airtel Ltd.
7552 1159 1080 13 Vietel Corporation
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 2986 3690 68 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2001 678 126 PaeTec Communications, Inc.
22773 1996 2927 124 Cox Communications, Inc.
20115 1668 1622 620 Charter Communications
4323 1615 1118 404 Time Warner Telecom
701 1531 11127 797 UUNET Technologies, Inc.
30036 1345 304 660 Mediacom Communications Corp
7018 1299 11035 822 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 1579 544 16 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
34984 1296 244 222 BILISIM TELEKOM
31148 973 43 21 FreeNet ISP
20940 927 319 728 Akamai Technologies European
13188 837 98 81 Educational Network
6830 807 2376 442 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 675 789 57 Uni2 Autonomous System
34744 637 170 73 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 2933 1589 109 NET Servicos de Comunicao S.A
10620 2653 419 229 TVCABLE BOGOTA
7303 1733 1155 222 Telecom Argentina Stet-France
8151 1269 2751 385 UniNet S.A. de C.V.
18881 1165 844 20 Global Village Telecom
27947 829 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 618 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 1253 80 4 MOBITEL
24863 883 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 332 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
29571 220 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
36992 206 527 23 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 2986 3690 68 bellsouth.net, inc.
28573 2933 1589 109 NET Servicos de Comunicao S.A
4766 2922 11560 918 Korea Telecom (KIX)
10620 2653 419 229 TVCABLE BOGOTA
17974 2589 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2030 320 108 TPG Internet Pty Ltd
1785 2001 678 126 PaeTec Communications, Inc.
22773 1996 2927 124 Cox Communications, Inc.
4755 1757 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 2933 2824 NET Servicos de Comunicao S.A
17974 2589 2497 PT TELEKOMUNIKASI INDONESIA
10620 2653 2424 TVCABLE BOGOTA
4766 2922 2004 Korea Telecom (KIX)
7545 2030 1922 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2001 1875 PaeTec Communications, Inc.
22773 1996 1872 Cox Communications, Inc.
4755 1757 1565 TATA Communications formerly
8402 1579 1563 Corbina telecom
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
128.0.42.0/24 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 Telecommunications Company of
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 /12:251
/13:479 /14:905 /15:1604 /16:12704 /17:6645 /18:11085
/19:22460 /20:32118 /21:34588 /22:48452 /23:42430 /24:241814
/25:1289 /26:1629 /27:837 /28:43 /29:69 /30:19
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1715 2986 bellsouth.net, inc.
22773 1298 1996 Cox Communications, Inc.
8402 1274 1579 Corbina telecom
36998 1221 1253 MOBITEL
30036 1212 1345 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1070 2001 PaeTec Communications, Inc.
6983 1021 1148 ITC^Deltacom
10620 980 2653 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:819 2:727 3:3 4:19 5:832 6:16
8:572 12:1920 13:2 14:864 15:11 16:3
17:10 20:17 23:296 24:1770 27:1499 31:1314
32:45 33:2 34:5 36:59 37:1886 38:884
39:2 40:175 41:2776 42:235 44:8 46:1954
47:2 49:671 50:775 52:12 54:34 55:8
57:26 58:1162 59:582 60:328 61:1420 62:1155
63:2015 64:4348 65:2148 66:4180 67:2014 68:1088
69:3278 70:796 71:489 72:1914 74:2481 75:324
76:307 77:1140 78:957 79:609 80:1290 81:1007
82:635 83:579 84:581 85:1206 86:465 87:1020
88:546 89:1812 90:150 91:5538 92:620 93:1770
94:1939 95:1688 96:520 97:343 98:1027 99:43
100:30 101:585 103:2963 105:519 106:139 107:208
108:516 109:1865 110:927 111:1069 112:550 113:819
114:698 115:1000 116:962 117:834 118:1131 119:1307
120:390 121:737 122:1808 123:1236 124:1376 125:1387
128:636 129:224 130:309 131:671 132:360 133:155
134:268 135:68 136:257 137:242 138:340 139:193
140:202 141:328 142:548 143:380 144:513 145:98
146:529 147:403 148:665 149:352 150:148 151:551
152:414 153:189 154:28 155:405 156:266 157:388
158:278 159:742 160:346 161:449 162:478 163:226
164:581 165:504 166:253 167:599 168:1030 169:128
170:1065 171:182 172:23 173:1595 174:544 175:494
176:1119 177:2122 178:1873 179:65 180:1473 181:549
182:1263 183:425 184:673 185:656 186:2327 187:1318
188:1909 189:1316 190:6745 192:6857 193:5859 194:4696
195:3544 196:1346 197:890 198:4541 199:5363 200:6007
201:2213 202:8840 203:8891 204:4504 205:2595 206:2866
207:2853 208:4013 209:3581 210:2913 211:1519 212:2200
213:2008 214:922 215:99 216:5255 217:1615 218:616
219:312 220:1276 221:556 222:321 223:440
End of report
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