[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 31 18:39:31 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 01 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455214
Prefixes after maximum aggregation: 185422
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224816
Total ASes present in the Internet Routing Table: 44200
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34661
Origin ASes announcing only one prefix: 16138
Transit ASes present in the Internet Routing Table: 5862
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: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 315
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 4781
Number of 32-bit ASNs visible in the Routing Table: 3677
Prefixes from 32-bit ASNs in the Routing Table: 10524
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 235
Number of addresses announced to Internet: 2620299948
Equivalent to 156 /8s, 46 /16s and 154 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 160166
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109303
Total APNIC prefixes after maximum aggregation: 33546
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110744
Unique aggregates announced from the APNIC address blocks: 45098
APNIC Region origin ASes present in the Internet Routing Table: 4852
APNIC Prefixes per ASN: 22.82
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 822
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: 547
Number of APNIC addresses announced to Internet: 722414304
Equivalent to 43 /8s, 15 /16s and 42 /24s
Percentage of available APNIC address space announced: 84.4
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: 159792
Total ARIN prefixes after maximum aggregation: 80132
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160347
Unique aggregates announced from the ARIN address blocks: 73391
ARIN Region origin ASes present in the Internet Routing Table: 15711
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5978
ARIN Region transit ASes present in the Internet Routing Table: 1639
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: 1064198208
Equivalent to 63 /8s, 110 /16s and 96 /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, 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: 116865
Total RIPE prefixes after maximum aggregation: 59837
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 120385
Unique aggregates announced from the RIPE address blocks: 77846
RIPE Region origin ASes present in the Internet Routing Table: 17210
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8176
RIPE Region transit ASes present in the Internet Routing Table: 2821
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2345
Number of RIPE addresses announced to Internet: 656498020
Equivalent to 39 /8s, 33 /16s and 93 /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: 47792
Total LACNIC prefixes after maximum aggregation: 9344
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 52052
Unique aggregates announced from the LACNIC address blocks: 24378
LACNIC Region origin ASes present in the Internet Routing Table: 1948
LACNIC Prefixes per ASN: 26.72
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 358
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: 760
Number of LACNIC addresses announced to Internet: 130286632
Equivalent to 7 /8s, 196 /16s and 4 /24s
Percentage of available LACNIC address space announced: 77.7
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: 10851
Total AfriNIC prefixes after maximum aggregation: 2523
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 11451
Unique aggregates announced from the AfriNIC address blocks: 3885
AfriNIC Region origin ASes present in the Internet Routing Table: 625
AfriNIC Prefixes per ASN: 18.32
AfriNIC Region origin ASes announcing only one prefix: 183
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 46610176
Equivalent to 2 /8s, 199 /16s and 55 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2959 11559 926 Korea Telecom (KIX)
17974 2519 839 86 PT TELEKOMUNIKASI INDONESIA
7545 1983 320 108 TPG Internet Pty Ltd
4755 1734 391 192 TATA Communications formerly
9829 1514 1205 40 BSNL National Internet Backbo
9583 1220 91 503 Sify Limited
7552 1152 1080 13 Vietel Corporation
4808 1141 2121 331 CNCGROUP IP network: China169
9498 1120 309 70 BHARTI Airtel Ltd.
24560 1076 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 3017 3692 77 bellsouth.net, inc.
7029 2070 1265 211 Windstream Communications Inc
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
22773 1983 2929 125 Cox Communications, Inc.
20115 1671 1611 611 Charter Communications
4323 1612 1139 401 Time Warner Telecom
701 1587 11075 841 UUNET Technologies, Inc.
30036 1334 298 642 Mediacom Communications Corp
7018 1306 11059 838 AT&T WorldNet Services
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 1586 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1215 240 222 BILISIM TELEKOM
20940 876 307 684 Akamai Technologies European
13188 828 98 73 Educational Network
31148 794 39 23 FreeNet ISP
8551 773 370 43 Bezeq International
6830 771 2377 444 UPC Distribution Services
34744 684 173 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 2791 1533 112 NET Servicos de Comunicao S.A
10620 2633 414 231 TVCABLE BOGOTA
7303 1723 1154 219 Telecom Argentina Stet-France
8151 1272 2710 406 UniNet S.A. de C.V.
18881 958 780 19 Global Village Telecom
6503 926 434 65 AVANTEL, S.A.
27947 838 89 102 Telconet S.A
3816 710 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 608 87 64 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 1237 80 4 MOBITEL
24863 892 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 22 Etisalat MISR
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 3017 3692 77 bellsouth.net, inc.
4766 2959 11559 926 Korea Telecom (KIX)
28573 2791 1533 112 NET Servicos de Comunicao S.A
10620 2633 414 231 TVCABLE BOGOTA
17974 2519 839 86 PT TELEKOMUNIKASI INDONESIA
7029 2070 1265 211 Windstream Communications Inc
18566 2065 382 184 Covad Communications
1785 1991 677 123 PaeTec Communications, Inc.
7545 1983 320 108 TPG Internet Pty Ltd
22773 1983 2929 125 Cox Communications, Inc.
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 2791 2679 NET Servicos de Comunicao S.A
17974 2519 2433 PT TELEKOMUNIKASI INDONESIA
10620 2633 2402 TVCABLE BOGOTA
4766 2959 2033 Korea Telecom (KIX)
18566 2065 1881 Covad Communications
7545 1983 1875 TPG Internet Pty Ltd
1785 1991 1868 PaeTec Communications, Inc.
7029 2070 1859 Windstream Communications Inc
22773 1983 1858 Cox Communications, Inc.
8402 1586 1570 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
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 /11:88 /12:249
/13:483 /14:899 /15:1595 /16:12688 /17:6658 /18:11175
/19:22184 /20:32051 /21:34277 /22:47494 /23:42375 /24:238957
/25:1316 /26:1665 /27:855 /28:46 /29:64 /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 3017 bellsouth.net, inc.
7029 1580 2070 Windstream Communications Inc
22773 1290 1983 Cox Communications, Inc.
8402 1280 1586 Corbina telecom
36998 1231 1237 MOBITEL
30036 1203 1334 Mediacom Communications Corp
11492 1180 1219 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1009 1136 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:812 2:676 3:3 4:15 5:756 6:9
8:557 12:1924 13:3 14:826 15:11 16:3
17:9 20:17 23:274 24:1771 27:1478 31:1306
32:57 33:2 34:5 36:28 37:1869 38:876
39:2 40:172 41:2800 42:192 44:6 46:1910
47:2 49:650 50:717 52:12 54:33 55:9
57:26 58:1173 59:570 60:313 61:1408 62:1111
63:2035 64:4355 65:2174 66:4379 67:2063 68:1124
69:3312 70:882 71:566 72:1924 74:2559 75:413
76:304 77:1115 78:1019 79:616 80:1264 81:1000
82:623 83:571 84:534 85:1161 86:455 87:989
88:534 89:1738 90:147 91:5495 92:592 93:1666
94:1841 95:1487 96:516 97:344 98:1040 99:41
100:31 101:325 103:2646 105:519 106:150 107:208
108:519 109:1824 110:895 111:1037 112:539 113:799
114:693 115:951 116:920 117:796 118:1082 119:1298
120:405 121:726 122:1798 123:1212 124:1356 125:1355
128:643 129:221 130:326 131:655 132:342 133:148
134:265 135:67 136:222 137:263 138:347 139:196
140:210 141:327 142:541 143:372 144:496 145:93
146:503 147:395 148:683 149:368 150:158 151:567
152:416 153:193 154:41 155:398 156:267 157:398
158:278 159:729 160:337 161:431 162:438 163:219
164:599 165:446 166:289 167:592 168:1029 169:129
170:1025 171:181 172:21 173:1660 174:606 175:477
176:1110 177:2006 178:1860 179:14 180:1452 181:434
182:1211 183:389 184:670 185:490 186:2270 187:1307
188:2145 189:1322 190:6376 192:6648 193:5870 194:4594
195:3424 196:1359 197:908 198:4467 199:5319 200:5922
201:2276 202:8836 203:8877 204:4503 205:2560 206:2811
207:2886 208:4043 209:3648 210:2974 211:1509 212:2199
213:1919 214:917 215:98 216:5234 217:1599 218:618
219:331 220:1260 221:558 222:321 223:451
End of report
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