[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 7 18:39:36 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 08 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455106
Prefixes after maximum aggregation: 185702
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 225482
Total ASes present in the Internet Routing Table: 44265
Prefixes per ASN: 10.28
Origin-only ASes present in the Internet Routing Table: 34687
Origin ASes announcing only one prefix: 16161
Transit ASes present in the Internet Routing Table: 5879
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 55644) 23
Prefixes from unregistered ASNs in the Routing Table: 331
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 4787
Number of 32-bit ASNs visible in the Routing Table: 3699
Prefixes from 32-bit ASNs in the Routing Table: 10729
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 226
Number of addresses announced to Internet: 2623669644
Equivalent to 156 /8s, 98 /16s and 5 /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: 94.6
Total number of prefixes smaller than registry allocations: 159823
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109375
Total APNIC prefixes after maximum aggregation: 33513
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110866
Unique aggregates announced from the APNIC address blocks: 45108
APNIC Region origin ASes present in the Internet Routing Table: 4855
APNIC Prefixes per ASN: 22.84
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 563
Number of APNIC addresses announced to Internet: 724781792
Equivalent to 43 /8s, 51 /16s and 74 /24s
Percentage of available APNIC address space announced: 84.7
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: 158557
Total ARIN prefixes after maximum aggregation: 80320
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 159120
Unique aggregates announced from the ARIN address blocks: 73458
ARIN Region origin ASes present in the Internet Routing Table: 15729
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5984
ARIN Region transit ASes present in the Internet Routing Table: 1653
Average ARIN Region AS path length visible: 4.2
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: 1064524096
Equivalent to 63 /8s, 115 /16s and 89 /24s
Percentage of available ARIN address space announced: 56.3
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: 117096
Total RIPE prefixes after maximum aggregation: 60007
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120642
Unique aggregates announced from the RIPE address blocks: 78094
RIPE Region origin ASes present in the Internet Routing Table: 17224
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8185
RIPE Region transit ASes present in the Internet Routing Table: 2823
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: 2349
Number of RIPE addresses announced to Internet: 656568420
Equivalent to 39 /8s, 34 /16s and 112 /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: 48355
Total LACNIC prefixes after maximum aggregation: 9319
LACNIC Deaggregation factor: 5.19
Prefixes being announced from the LACNIC address blocks: 52748
Unique aggregates announced from the LACNIC address blocks: 24740
LACNIC Region origin ASes present in the Internet Routing Table: 1953
LACNIC Prefixes per ASN: 27.01
LACNIC Region origin ASes announcing only one prefix: 583
LACNIC Region transit ASes present in the Internet Routing Table: 361
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: 762
Number of LACNIC addresses announced to Internet: 130842376
Equivalent to 7 /8s, 204 /16s and 127 /24s
Percentage of available LACNIC address space announced: 78.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10894
Total AfriNIC prefixes after maximum aggregation: 2500
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 11504
Unique aggregates announced from the AfriNIC address blocks: 3873
AfriNIC Region origin ASes present in the Internet Routing Table: 628
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 182
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46672128
Equivalent to 2 /8s, 200 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2958 11559 926 Korea Telecom (KIX)
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
7545 1992 320 108 TPG Internet Pty Ltd
4755 1738 391 191 TATA Communications formerly
9829 1500 1205 40 BSNL National Internet Backbo
9583 1221 91 503 Sify Limited
7552 1164 1080 13 Vietel Corporation
4808 1141 2123 333 CNCGROUP IP network: China169
9498 1127 309 70 BHARTI Airtel Ltd.
24560 1077 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 3015 3691 75 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
20115 1664 1616 617 Charter Communications
4323 1618 1138 403 Time Warner Telecom
701 1533 11075 840 UUNET Technologies, Inc.
30036 1333 298 644 Mediacom Communications Corp
7018 1293 11038 833 AT&T WorldNet Services
11492 1218 216 359 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 1684 544 16 Corbina telecom
34984 1271 244 223 BILISIM TELEKOM
2118 1069 97 13 EUnet/RELCOM Autonomous Syste
20940 896 315 702 Akamai Technologies European
13188 830 98 74 Educational Network
31148 812 41 25 FreeNet ISP
8551 773 370 43 Bezeq International
6830 768 2376 441 UPC Distribution Services
34744 676 173 59 SC GVM SISTEM 2003 SRL
58113 666 74 386 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 2827 1558 111 NET Servicos de Comunicao S.A
10620 2650 417 218 TVCABLE BOGOTA
7303 1732 1155 221 Telecom Argentina Stet-France
8151 1271 2710 407 UniNet S.A. de C.V.
18881 972 780 19 Global Village Telecom
6503 873 434 65 AVANTEL, S.A.
27947 836 89 104 Telconet S.A
3816 711 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
6147 665 374 25 Telefonica Del Peru
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 1237 80 4 MOBITEL
24863 887 274 32 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 446 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 906 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 205 17 9 Ci Telecom Autonomous system
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
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 3015 3691 75 bellsouth.net, inc.
4766 2958 11559 926 Korea Telecom (KIX)
28573 2827 1558 111 NET Servicos de Comunicao S.A
10620 2650 417 218 TVCABLE BOGOTA
17974 2524 855 91 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 1992 320 108 TPG Internet Pty Ltd
1785 1991 677 123 PaeTec Communications, Inc.
22773 1989 2929 125 Cox Communications, Inc.
4755 1738 391 191 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 2827 2716 NET Servicos de Comunicao S.A
17974 2524 2433 PT TELEKOMUNIKASI INDONESIA
10620 2650 2432 TVCABLE BOGOTA
4766 2958 2032 Korea Telecom (KIX)
7545 1992 1884 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 1991 1868 PaeTec Communications, Inc.
22773 1989 1864 Cox Communications, Inc.
8402 1684 1668 Corbina telecom
4755 1738 1547 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
128.0.46.0/23 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
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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 /11:91 /12:250
/13:484 /14:901 /15:1599 /16:12696 /17:6638 /18:11162
/19:22169 /20:32006 /21:34349 /22:47488 /23:42257 /24:238977
/25:1318 /26:1660 /27:855 /28:46 /29:65 /30:18
/31:0 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
6389 1732 3015 bellsouth.net, inc.
8402 1370 1684 Corbina telecom
22773 1296 1989 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1202 1333 Mediacom Communications Corp
11492 1180 1218 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1011 1138 ITC^Deltacom
10620 990 2650 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:778 3:3 4:15 5:771 6:11
8:558 12:1927 13:3 14:831 15:11 16:3
17:10 20:17 23:369 24:1769 27:1478 31:1322
32:57 33:2 34:5 36:32 37:1851 38:871
39:2 40:171 41:2810 42:194 44:6 46:1933
47:2 49:641 50:716 52:12 54:33 55:5
57:27 58:1164 59:572 60:314 61:1407 62:1123
63:2034 64:4324 65:2164 66:4177 67:2049 68:1074
69:3263 70:787 71:487 72:1914 74:2476 75:323
76:301 77:1131 78:1025 79:619 80:1269 81:1004
82:624 83:574 84:534 85:1164 86:453 87:992
88:537 89:1763 90:147 91:5531 92:590 93:1673
94:1856 95:1459 96:512 97:344 98:1002 99:42
100:31 101:323 103:2735 105:519 106:149 107:208
108:510 109:1820 110:896 111:1046 112:539 113:813
114:695 115:958 116:933 117:800 118:1083 119:1301
120:408 121:729 122:1794 123:1217 124:1362 125:1356
128:648 129:224 130:325 131:654 132:342 133:148
134:267 135:66 136:224 137:239 138:345 139:194
140:211 141:327 142:536 143:392 144:497 145:93
146:510 147:382 148:684 149:368 150:162 151:500
152:417 153:193 154:41 155:402 156:267 157:397
158:278 159:729 160:339 161:432 162:409 163:221
164:599 165:495 166:271 167:594 168:1021 169:129
170:1052 171:181 172:21 173:1594 174:544 175:470
176:1144 177:2087 178:1863 179:27 180:1458 181:450
182:1215 183:387 184:693 185:512 186:2281 187:1298
188:2135 189:1259 190:6822 192:6651 193:5668 194:4591
195:3423 196:1349 197:904 198:4483 199:5329 200:5979
201:2250 202:8825 203:8896 204:4499 205:2572 206:2802
207:2849 208:4060 209:3620 210:2964 211:1507 212:2185
213:1979 214:924 215:98 216:5233 217:1616 218:618
219:349 220:1264 221:558 222:321 223:456
End of report
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