Routing Table Report 04:00 +10GMT Thu 19 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 391817
Prefixes after maximum aggregation: 169001
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 191068
Total ASes present in the Internet Routing Table: 39866
Prefixes per ASN: 9.83
Origin-only ASes present in the Internet Routing Table: 32622
Origin ASes announcing only one prefix: 15526
Transit ASes present in the Internet Routing Table: 5380
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 2135
Unregistered ASNs in the Routing Table: 1081
Number of 32-bit ASNs allocated by the RIRs: 2192
Number of 32-bit ASNs visible in the Routing Table: 1864
Prefixes from 32-bit ASNs in the Routing Table: 4513
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 121
Number of addresses announced to Internet: 2510962192
Equivalent to 149 /8s, 170 /16s and 62 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 165995
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96545
Total APNIC prefixes after maximum aggregation: 31552
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92958
Unique aggregates announced from the APNIC address blocks: 38973
APNIC Region origin ASes present in the Internet Routing Table: 4637
APNIC Prefixes per ASN: 20.05
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 731
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 134
Number of APNIC addresses announced to Internet: 635322208
Equivalent to 37 /8s, 222 /16s and 63 /24s
Percentage of available APNIC address space announced: 80.6
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: 147682
Total ARIN prefixes after maximum aggregation: 75199
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119575
Unique aggregates announced from the ARIN address blocks: 49100
ARIN Region origin ASes present in the Internet Routing Table: 14860
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5686
ARIN Region transit ASes present in the Internet Routing Table: 1582
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: 804804032
Equivalent to 47 /8s, 248 /16s and 85 /24s
Percentage of available ARIN address space announced: 64.0
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: 96998
Total RIPE prefixes after maximum aggregation: 52012
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 88911
Unique aggregates announced from the RIPE address blocks: 55585
RIPE Region origin ASes present in the Internet Routing Table: 16253
RIPE Prefixes per ASN: 5.47
RIPE Region origin ASes announcing only one prefix: 7982
RIPE Region transit ASes present in the Internet Routing Table: 2584
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: 1293
Number of RIPE addresses announced to Internet: 497706696
Equivalent to 29 /8s, 170 /16s and 102 /24s
Percentage of available RIPE address space announced: 80.2
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: 37320
Total LACNIC prefixes after maximum aggregation: 8081
LACNIC Deaggregation factor: 4.62
Prefixes being announced from the LACNIC address blocks: 36935
Unique aggregates announced from the LACNIC address blocks: 19318
LACNIC Region origin ASes present in the Internet Routing Table: 1566
LACNIC Prefixes per ASN: 23.59
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 419
Number of LACNIC addresses announced to Internet: 95464072
Equivalent to 5 /8s, 176 /16s and 170 /24s
Percentage of available LACNIC address space announced: 63.2
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: 8597
Total AfriNIC prefixes after maximum aggregation: 2085
AfriNIC Deaggregation factor: 4.12
Prefixes being announced from the AfriNIC address blocks: 6602
Unique aggregates announced from the AfriNIC address blocks: 2085
AfriNIC Region origin ASes present in the Internet Routing Table: 508
AfriNIC Prefixes per ASN: 13.00
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 30821120
Equivalent to 1 /8s, 214 /16s and 75 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2461 11067 966 Korea Telecom (KIX)
17974 1717 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1636 303 86 TPG Internet Pty Ltd
4755 1527 385 156 TATA Communications formerly
7552 1424 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 490 Sify Limited
4808 1100 2050 311 CNCGROUP IP network: China169
18101 945 130 155 Reliance Infocom Ltd Internet
24560 924 377 164 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 3457 3807 205 bellsouth.net, inc.
7029 3222 1016 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
20115 1619 1552 618 Charter Communications
4323 1607 1062 382 Time Warner Telecom
22773 1518 2909 108 Cox Communications, Inc.
30036 1483 265 698 Mediacom Communications Corp
19262 1387 4683 401 Verizon Global Networks
7018 1296 6993 849 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 1714 480 15 Corbina telecom
2118 1182 99 14 EUnet/RELCOM Autonomous Syste
15557 1096 2161 64 LDCOM NETWORKS
6830 644 1928 413 UPC Distribution Services
34984 637 188 171 BILISIM TELEKOM
31148 612 35 9 FreeNet ISP
20940 571 185 453 Akamai Technologies European
12479 553 637 53 Uni2 Autonomous System
8551 529 360 81 Bezeq International
3320 517 8157 393 Deutsche Telekom AG
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 1720 320 166 TVCABLE BOGOTA
28573 1598 1068 77 NET Servicos de Comunicao S.A
8151 1461 2999 342 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 640 73 95 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 Empresa Nacional de Telecomun
6503 541 434 68 AVANTEL, S.A.
11172 532 85 106 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 1030 958 13 TEDATA
24863 796 146 36 LINKdotNET AS number
6713 381 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 239 32 6 Sudatel Internet Exchange Aut
33776 225 12 20 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 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 3457 3807 205 bellsouth.net, inc.
7029 3222 1016 199 Windstream Communications Inc
4766 2461 11067 966 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 680 123 PaeTec Communications, Inc.
10620 1720 320 166 TVCABLE BOGOTA
17974 1717 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1714 480 15 Corbina telecom
7545 1636 303 86 TPG Internet Pty Ltd
20115 1619 1552 618 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 3222 3023 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 PaeTec Communications, Inc.
8402 1714 1699 Corbina telecom
17974 1717 1681 PT TELEKOMUNIKASI INDONESIA
10620 1720 1554 TVCABLE BOGOTA
7545 1636 1550 TPG Internet Pty Ltd
28573 1598 1521 NET Servicos de Comunicao S.A
4766 2461 1495 Korea Telecom (KIX)
7552 1424 1417 Vietel Corporation
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
37.58.128.0/17 16347 FITECH-NANCY
37.60.16.0/21 50923 Metroset Autonomus System
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 /11:80 /12:232
/13:458 /14:817 /15:1462 /16:12129 /17:6142 /18:10202
/19:20211 /20:28006 /21:28723 /22:38920 /23:36575 /24:204161
/25:1180 /26:1423 /27:782 /28:169 /29:55 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2842 3222 Windstream Communications Inc
6389 2119 3457 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1693 1714 Corbina telecom
10620 1615 1720 TVCABLE BOGOTA
30036 1440 1483 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1066 1865 PaeTec Communications, Inc.
15557 1046 1096 LDCOM NETWORKS
7011 1033 1150 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:502 2:470 4:15 5:1 6:3 8:378
12:1952 13:1 14:583 15:11 16:3 17:6
20:9 23:108 24:1712 27:1179 31:821 32:67
33:2 34:2 36:8 37:96 38:795 40:114
41:2895 42:87 43:1 44:3 46:1227 47:3
49:317 50:517 52:13 55:5 56:2 57:41
58:947 59:491 60:345 61:1166 62:940 63:1964
64:4106 65:2289 66:4405 67:2023 68:1155 69:3148
70:920 71:414 72:1800 74:2646 75:445 76:319
77:960 78:902 79:499 80:1173 81:862 82:559
83:530 84:587 85:1151 86:743 87:909 88:351
89:1588 90:257 91:4426 92:532 93:1557 94:1353
95:1095 96:395 97:299 98:787 99:38 100:18
101:134 103:650 106:10 107:133 108:124 109:1459
110:683 111:842 112:431 113:522 114:607 115:758
116:865 117:729 118:903 119:1240 120:355 121:676
122:1624 123:1059 124:1337 125:1348 128:536 129:192
130:211 131:589 132:162 133:21 134:232 135:59
136:213 137:151 138:288 139:145 140:491 141:260
142:378 143:402 144:511 145:68 146:485 147:223
148:636 149:279 150:166 151:193 152:446 153:170
154:7 155:397 156:210 157:366 158:155 159:510
160:320 161:221 162:337 163:187 164:530 165:391
166:561 167:456 168:851 169:147 170:830 171:105
172:4 173:1777 174:583 175:421 176:368 177:443
178:1187 180:1224 181:43 182:695 183:275 184:435
185:1 186:1498 187:837 188:979 189:1159 190:5340
192:5991 193:5466 194:4202 195:3323 196:1287 197:167
198:3619 199:4313 200:5645 201:1702 202:8400 203:8582
204:4342 205:2428 206:2743 207:2803 208:4012 209:3546
210:2737 211:1475 212:1977 213:1821 214:848 215:95
216:4974 217:1473 218:557 219:340 220:1252 221:558
222:324 223:270
End of report
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