[AusNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Sat Dec 31 06:24:56 EST 2011
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,
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 31 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388032
Prefixes after maximum aggregation: 168367
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 190083
Total ASes present in the Internet Routing Table: 39705
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32554
Origin ASes announcing only one prefix: 15514
Transit ASes present in the Internet Routing Table: 5351
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 1999
Unregistered ASNs in the Routing Table: 1030
Number of 32-bit ASNs allocated by the RIRs: 2144
Number of 32-bit ASNs visible in the Routing Table: 1800
Prefixes from 32-bit ASNs in the Routing Table: 4327
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 112
Number of addresses announced to Internet: 2504923696
Equivalent to 149 /8s, 78 /16s and 26 /24s
Percentage of available address space announced: 67.6
Percentage of allocated address space announced: 67.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164463
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95928
Total APNIC prefixes after maximum aggregation: 31403
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 92286
Unique aggregates announced from the APNIC address blocks: 38721
APNIC Region origin ASes present in the Internet Routing Table: 4619
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 125
Number of APNIC addresses announced to Internet: 632494720
Equivalent to 37 /8s, 179 /16s and 26 /24s
Percentage of available APNIC address space announced: 80.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-132095, 132096-133119
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, 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: 146775
Total ARIN prefixes after maximum aggregation: 74964
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118927
Unique aggregates announced from the ARIN address blocks: 48922
ARIN Region origin ASes present in the Internet Routing Table: 14816
ARIN Prefixes per ASN: 8.03
ARIN Region origin ASes announcing only one prefix: 5673
ARIN Region transit ASes present in the Internet Routing Table: 1573
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 804638400
Equivalent to 47 /8s, 245 /16s and 206 /24s
Percentage of available ARIN address space announced: 63.9
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, 173/8,
174/8, 184/8, 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: 95203
Total RIPE prefixes after maximum aggregation: 51822
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87230
Unique aggregates announced from the RIPE address blocks: 55392
RIPE Region origin ASes present in the Internet Routing Table: 16223
RIPE Prefixes per ASN: 5.38
RIPE Region origin ASes announcing only one prefix: 7980
RIPE Region transit ASes present in the Internet Routing Table: 2576
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1256
Number of RIPE addresses announced to Internet: 495420104
Equivalent to 29 /8s, 135 /16s and 130 /24s
Percentage of available RIPE address space announced: 79.8
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
196608-198655
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 37048
Total LACNIC prefixes after maximum aggregation: 8031
LACNIC Deaggregation factor: 4.61
Prefixes being announced from the LACNIC address blocks: 36595
Unique aggregates announced from the LACNIC address blocks: 19051
LACNIC Region origin ASes present in the Internet Routing Table: 1561
LACNIC Prefixes per ASN: 23.44
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 401
Number of LACNIC addresses announced to Internet: 95159432
Equivalent to 5 /8s, 172 /16s and 4 /24s
Percentage of available LACNIC address space announced: 63.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 plus ERX transfers
LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 8588
Total AfriNIC prefixes after maximum aggregation: 2072
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6623
Unique aggregates announced from the AfriNIC address blocks: 2091
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.14
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 112
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30878464
Equivalent to 1 /8s, 215 /16s and 43 /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, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2475 11101 972 Korea Telecom (KIX)
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
9583 1185 90 530 Sify Limited
9829 1170 989 28 BSNL National Internet Backbo
4808 1075 2034 308 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd., Telemedia
18101 974 131 156 Reliance Infocom Ltd Internet
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 3471 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
4323 1623 1065 385 Time Warner Telecom
20115 1614 1550 623 Charter Communications
22773 1517 2909 107 Cox Communications, Inc.
30036 1474 262 689 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1301 7012 855 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 1547 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 642 1928 413 UPC Distribution Services
34984 637 132 199 BILISIM TELEKOM
12479 552 636 53 Uni2 Autonomous System
20940 547 176 438 Akamai Technologies European
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8866 465 134 27 Bulgarian Telecommunication C
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
10620 1721 319 159 TVCABLE BOGOTA
28573 1569 1064 75 NET Servicos de Comunicao S.A
8151 1453 2981 350 UniNet S.A. de C.V.
7303 1252 755 176 Telecom Argentina Stet-France
27947 634 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 Empresa Nacional de Telecomun
6503 539 434 67 AVANTEL, S.A.
11172 530 86 97 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
8452 1039 958 13 TEDATA
24863 793 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 216 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 189 80 8 RAYA Telecom - Egypt
16637 160 664 82 MTN Network Solutions
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 3471 3814 220 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
4766 2475 11101 972 Korea Telecom (KIX)
18566 2094 383 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1718 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4323 1623 1065 385 Time Warner Telecom
20115 1614 1550 623 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 2917 2717 Windstream Communications Inc
18566 2094 1917 Covad Communications
1785 1862 1740 PaeTec Communications, Inc.
17974 1718 1681 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1629 1543 TPG Internet Pty Ltd
8402 1547 1532 Corbina telecom
4766 2475 1503 Korea Telecom (KIX)
28573 1569 1494 NET Servicos de Comunicao S.A
22773 1517 1410 Cox Communications, Inc.
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
32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom
32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom
25639 UNALLOCATED 12.41.169.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
37.26.200.0/21 28748 AlphaCron Datensysteme AS
37.26.208.0/20 57660 >>UNKNOWN<<
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 /8:19 /9:12 /10:27 /11:81 /12:237
/13:465 /14:813 /15:1451 /16:12081 /17:6120 /18:10185
/19:20160 /20:27929 /21:28328 /22:38611 /23:35934 /24:201964
/25:1183 /26:1402 /27:779 /28:166 /29:53 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2545 2917 Windstream Communications Inc
6389 2116 3471 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1526 1547 Corbina telecom
30036 1433 1474 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1064 1862 PaeTec Communications, Inc.
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:478 2:414 4:15 5:1 6:3 8:366
12:1948 13:1 14:575 15:11 16:3 17:7
20:9 23:81 24:1712 27:1127 31:770 32:67
33:2 34:2 36:4 37:10 38:791 40:114
41:3018 42:82 43:1 44:3 46:1150 47:3
49:295 50:473 52:13 55:5 56:2 57:41
58:929 59:488 60:343 61:1173 62:936 63:1969
64:4123 65:2304 66:4375 67:1986 68:1165 69:3132
70:925 71:410 72:1785 74:2644 75:431 76:319
77:933 78:871 79:494 80:1190 81:842 82:533
83:530 84:563 85:1167 86:746 87:901 88:358
89:1588 90:261 91:4382 92:532 93:1515 94:1342
95:1051 96:396 97:288 98:766 99:38 100:18
101:124 103:588 106:11 107:120 108:101 109:1424
110:676 111:830 112:432 113:509 114:593 115:702
116:864 117:719 118:899 119:1223 120:365 121:676
122:1619 123:1036 124:1330 125:1347 128:532 129:189
130:189 131:585 132:162 133:21 134:226 135:54
136:206 137:151 138:285 139:126 140:491 141:257
142:381 143:392 144:501 145:67 146:476 147:221
148:633 149:271 150:165 151:192 152:444 153:169
154:7 155:382 156:210 157:365 158:153 159:505
160:346 161:221 162:335 163:188 164:522 165:390
166:546 167:455 168:807 169:146 170:828 171:95
172:4 173:1813 174:587 175:412 176:322 177:450
178:1151 180:1210 181:43 182:677 183:264 184:424
185:1 186:1462 187:797 188:1007 189:1177 190:5339
192:5974 193:5445 194:3787 195:3182 196:1289 197:174
198:3614 199:4239 200:5567 201:1685 202:8508 203:8524
204:4341 205:2421 206:2688 207:2822 208:4016 209:3562
210:2748 211:1474 212:1955 213:1807 214:808 215:93
216:4911 217:1467 218:567 219:338 220:1253 221:560
222:324 223:267
End of report
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