[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 28 18:33:24 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 29 Jun, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 456943
Prefixes after maximum aggregation: 186069
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 227072
Total ASes present in the Internet Routing Table: 44373
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34730
Origin ASes announcing only one prefix: 16155
Transit ASes present in the Internet Routing Table: 5896
Transit-only ASes present in the Internet Routing Table: 144
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1668
Unregistered ASNs in the Routing Table: 758
Number of 32-bit ASNs allocated by the RIRs: 4834
Number of 32-bit ASNs visible in the Routing Table: 3747
Prefixes from 32-bit ASNs in the Routing Table: 10990
Special use prefixes present in the Routing Table: 24
Prefixes being announced from unallocated address space: 215
Number of addresses announced to Internet: 2625956140
Equivalent to 156 /8s, 132 /16s and 233 /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: 94.7
Total number of prefixes smaller than registry allocations: 160087
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 109760
Total APNIC prefixes after maximum aggregation: 33678
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 111592
Unique aggregates announced from the APNIC address blocks: 45689
APNIC Region origin ASes present in the Internet Routing Table: 4852
APNIC Prefixes per ASN: 23.00
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: 4.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 589
Number of APNIC addresses announced to Internet: 725314528
Equivalent to 43 /8s, 59 /16s and 107 /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: 158854
Total ARIN prefixes after maximum aggregation: 80348
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 159485
Unique aggregates announced from the ARIN address blocks: 74154
ARIN Region origin ASes present in the Internet Routing Table: 15753
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1651
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: 1064983360
Equivalent to 63 /8s, 122 /16s and 91 /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: 117660
Total RIPE prefixes after maximum aggregation: 60170
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121071
Unique aggregates announced from the RIPE address blocks: 78453
RIPE Region origin ASes present in the Internet Routing Table: 17243
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8167
RIPE Region transit ASes present in the Internet Routing Table: 2836
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2368
Number of RIPE addresses announced to Internet: 656543076
Equivalent to 39 /8s, 34 /16s and 13 /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: 48506
Total LACNIC prefixes after maximum aggregation: 9325
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 52873
Unique aggregates announced from the LACNIC address blocks: 24612
LACNIC Region origin ASes present in the Internet Routing Table: 1966
LACNIC Prefixes per ASN: 26.89
LACNIC Region origin ASes announcing only one prefix: 584
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: 765
Number of LACNIC addresses announced to Internet: 132564904
Equivalent to 7 /8s, 230 /16s and 199 /24s
Percentage of available LACNIC address space announced: 79.0
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: 11084
Total AfriNIC prefixes after maximum aggregation: 2507
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 11707
Unique aggregates announced from the AfriNIC address blocks: 3966
AfriNIC Region origin ASes present in the Internet Routing Table: 640
AfriNIC Prefixes per ASN: 18.29
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.9
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: 46262016
Equivalent to 2 /8s, 193 /16s and 231 /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 11561 922 Korea Telecom (KIX)
17974 2562 855 92 PT TELEKOMUNIKASI INDONESIA
7545 2016 320 109 TPG Internet Pty Ltd
4755 1750 391 192 TATA Communications formerly
9829 1519 1205 40 BSNL National Internet Backbo
9583 1291 98 536 Sify Limited
4808 1148 2124 335 CNCGROUP IP network: China169
9498 1144 309 71 BHARTI Airtel Ltd.
7552 1131 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 2991 3691 70 bellsouth.net, inc.
18566 2064 382 184 Covad Communications
1785 1995 678 126 PaeTec Communications, Inc.
22773 1986 2927 123 Cox Communications, Inc.
20115 1665 1617 617 Charter Communications
4323 1622 1138 402 Time Warner Telecom
701 1533 11127 800 UUNET Technologies, Inc.
30036 1334 299 646 Mediacom Communications Corp
7018 1304 11040 827 AT&T WorldNet Services
11492 1221 217 360 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 1661 544 16 Corbina telecom
34984 1284 244 221 BILISIM TELEKOM
2118 1085 97 13 EUnet/RELCOM Autonomous Syste
20940 911 320 713 Akamai Technologies European
13188 825 98 79 Educational Network
31148 806 40 25 FreeNet ISP
8551 776 370 44 Bezeq International
6830 766 2376 440 UPC Distribution Services
12479 673 789 57 Uni2 Autonomous System
34744 658 171 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 2884 1570 105 NET Servicos de Comunicao S.A
10620 2676 420 200 TVCABLE BOGOTA
7303 1731 1155 220 Telecom Argentina Stet-France
8151 1263 2725 388 UniNet S.A. de C.V.
18881 1064 844 20 Global Village Telecom
6503 869 434 63 AVANTEL, S.A.
27947 818 94 93 Telconet S.A
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 616 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 1237 80 4 MOBITEL
24863 884 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 469 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
29571 215 17 12 Ci Telecom Autonomous system
37054 211 11 5 Data Telecom Service
36992 201 527 21 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 2991 3691 70 bellsouth.net, inc.
4766 2930 11561 922 Korea Telecom (KIX)
28573 2884 1570 105 NET Servicos de Comunicao S.A
10620 2676 420 200 TVCABLE BOGOTA
17974 2562 855 92 PT TELEKOMUNIKASI INDONESIA
18566 2064 382 184 Covad Communications
7545 2016 320 109 TPG Internet Pty Ltd
1785 1995 678 126 PaeTec Communications, Inc.
22773 1986 2927 123 Cox Communications, Inc.
4755 1750 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 2884 2779 NET Servicos de Comunicao S.A
10620 2676 2476 TVCABLE BOGOTA
17974 2562 2470 PT TELEKOMUNIKASI INDONESIA
4766 2930 2008 Korea Telecom (KIX)
7545 2016 1907 TPG Internet Pty Ltd
18566 2064 1880 Covad Communications
1785 1995 1869 PaeTec Communications, Inc.
22773 1986 1863 Cox Communications, Inc.
8402 1661 1645 Corbina telecom
4755 1750 1558 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
/13:483 /14:899 /15:1604 /16:12705 /17:6643 /18:11108
/19:22442 /20:32070 /21:34509 /22:48005 /23:42295 /24:239833
/25:1305 /26:1639 /27:861 /28:45 /29:65 /30:19
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2015 2064 Covad Communications
6389 1717 2991 bellsouth.net, inc.
8402 1356 1661 Corbina telecom
22773 1293 1986 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1202 1334 Mediacom Communications Corp
11492 1183 1221 Cable One
1785 1063 1995 PaeTec Communications, Inc.
6983 1015 1145 ITC^Deltacom
10620 996 2676 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:838 2:808 3:3 4:19 5:813 6:16
8:563 12:1914 13:3 14:856 15:11 16:3
17:10 20:17 23:293 24:1769 27:1495 31:1249
32:43 33:2 34:5 36:47 37:1872 38:875
39:2 40:170 41:2829 42:203 44:8 46:1913
47:1 49:660 50:753 52:12 54:35 55:5
57:26 58:1159 59:576 60:323 61:1404 62:1120
63:2026 64:4334 65:2156 66:4179 67:2043 68:1079
69:3274 70:835 71:496 72:1925 74:2459 75:323
76:302 77:1113 78:1061 79:624 80:1271 81:1016
82:623 83:594 84:585 85:1181 86:457 87:1011
88:538 89:1767 90:148 91:5535 92:609 93:1744
94:1875 95:1644 96:524 97:345 98:1015 99:42
100:30 101:332 103:2872 105:519 106:142 107:207
108:510 109:1835 110:909 111:1062 112:545 113:819
114:698 115:968 116:962 117:800 118:1106 119:1319
120:389 121:733 122:1799 123:1222 124:1376 125:1384
128:637 129:225 130:308 131:662 132:359 133:155
134:268 135:68 136:223 137:242 138:341 139:190
140:209 141:328 142:538 143:380 144:500 145:94
146:504 147:384 148:664 149:348 150:157 151:518
152:420 153:189 154:24 155:417 156:270 157:399
158:279 159:717 160:345 161:455 162:463 163:222
164:604 165:498 166:251 167:596 168:1045 169:129
170:1054 171:178 172:21 173:1584 174:544 175:472
176:988 177:2101 178:1856 179:51 180:1456 181:478
182:1250 183:390 184:666 185:574 186:2230 187:1272
188:2055 189:1281 190:6716 192:6761 193:5678 194:4612
195:3457 196:1374 197:989 198:4499 199:5348 200:5998
201:2206 202:8789 203:8896 204:4505 205:2550 206:2797
207:2844 208:4036 209:3629 210:2918 211:1516 212:2165
213:1974 214:916 215:99 216:5234 217:1625 218:615
219:336 220:1282 221:557 222:325 223:447
End of report
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