Routing Table Report 04:00 +10GMT Fri 24 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 398718
Prefixes after maximum aggregation: 170119
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 193525
Total ASes present in the Internet Routing Table: 40212
Prefixes per ASN: 9.92
Origin-only ASes present in the Internet Routing Table: 32793
Origin ASes announcing only one prefix: 15543
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 33
Max AS path prepend of ASN (48687) 24
Prefixes from unregistered ASNs in the Routing Table: 319
Unregistered ASNs in the Routing Table: 130
Number of 32-bit ASNs allocated by the RIRs: 2291
Number of 32-bit ASNs visible in the Routing Table: 2003
Prefixes from 32-bit ASNs in the Routing Table: 4832
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 292
Number of addresses announced to Internet: 2521359952
Equivalent to 150 /8s, 72 /16s and 230 /24s
Percentage of available address space announced: 68.0
Percentage of allocated address space announced: 68.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 169536
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98092
Total APNIC prefixes after maximum aggregation: 31753
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94412
Unique aggregates announced from the APNIC address blocks: 39263
APNIC Region origin ASes present in the Internet Routing Table: 4665
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 735
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 152
Number of APNIC addresses announced to Internet: 639943520
Equivalent to 38 /8s, 36 /16s and 195 /24s
Percentage of available APNIC address space announced: 81.2
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: 148519
Total ARIN prefixes after maximum aggregation: 75424
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120289
Unique aggregates announced from the ARIN address blocks: 49598
ARIN Region origin ASes present in the Internet Routing Table: 14920
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5681
ARIN Region transit ASes present in the Internet Routing Table: 1572
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805368512
Equivalent to 48 /8s, 0 /16s and 242 /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: 99459
Total RIPE prefixes after maximum aggregation: 52654
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91151
Unique aggregates announced from the RIPE address blocks: 56731
RIPE Region origin ASes present in the Internet Routing Table: 16334
RIPE Prefixes per ASN: 5.58
RIPE Region origin ASes announcing only one prefix: 8014
RIPE Region transit ASes present in the Internet Routing Table: 2610
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: 1375
Number of RIPE addresses announced to Internet: 501028360
Equivalent to 29 /8s, 221 /16s and 22 /24s
Percentage of available RIPE address space announced: 80.7
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: 38704
Total LACNIC prefixes after maximum aggregation: 8101
LACNIC Deaggregation factor: 4.78
Prefixes being announced from the LACNIC address blocks: 38385
Unique aggregates announced from the LACNIC address blocks: 19540
LACNIC Region origin ASes present in the Internet Routing Table: 1574
LACNIC Prefixes per ASN: 24.39
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 295
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 457
Number of LACNIC addresses announced to Internet: 96978824
Equivalent to 5 /8s, 199 /16s and 199 /24s
Percentage of available LACNIC address space announced: 64.2
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: 8941
Total AfriNIC prefixes after maximum aggregation: 2095
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 6949
Unique aggregates announced from the AfriNIC address blocks: 2118
AfriNIC Region origin ASes present in the Internet Routing Table: 518
AfriNIC Prefixes per ASN: 13.42
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 120
Average AfriNIC Region AS path length visible: 4.4
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: 31513856
Equivalent to 1 /8s, 224 /16s and 221 /24s
Percentage of available AfriNIC address space announced: 47.0
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 2490 11108 993 Korea Telecom (KIX)
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1641 303 86 TPG Internet Pty Ltd
4755 1558 385 157 TATA Communications formerly
7552 1282 1064 7 Vietel Corporation
9829 1182 997 29 BSNL National Internet Backbo
4808 1148 2112 319 CNCGROUP IP network: China169
9583 1126 84 483 Sify Limited
24560 1020 385 167 Bharti Airtel Ltd., Telemedia
18101 949 130 155 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 3438 3807 199 bellsouth.net, inc.
7029 3415 1014 159 Windstream Communications Inc
18566 2091 382 177 Covad Communications
1785 1872 680 126 PaeTec Communications, Inc.
20115 1629 1551 630 Charter Communications
4323 1607 1043 381 Time Warner Telecom
22773 1535 2910 110 Cox Communications, Inc.
30036 1413 253 749 Mediacom Communications Corp
19262 1389 4703 399 Verizon Global Networks
7018 1310 6980 850 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 1779 480 15 Corbina telecom
2118 1398 97 13 EUnet/RELCOM Autonomous Syste
15557 1099 2184 60 LDCOM NETWORKS
34984 658 188 172 BILISIM TELEKOM
6830 644 1927 413 UPC Distribution Services
20940 619 198 475 Akamai Technologies European
12479 608 644 55 Uni2 Autonomous System
8551 565 360 81 Bezeq International
31148 541 37 9 FreeNet ISP
3320 533 8450 399 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 1751 324 171 TVCABLE BOGOTA
28573 1685 1088 62 NET Servicos de Comunicao S.A
8151 1479 3009 350 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 857 664 33 Tim Brasil S.A.
27947 662 67 108 Telconet S.A
11172 633 91 73 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
3816 554 237 91 Empresa Nacional de Telecomun
6503 552 418 66 AVANTEL, S.A.
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 1255 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 Vodacom Internet Company
24835 194 80 8 RAYA Telecom - Egypt
33776 182 12 20 Starcomms Nigeria Limited
16637 163 664 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 3438 3807 199 bellsouth.net, inc.
7029 3415 1014 159 Windstream Communications Inc
4766 2490 11108 993 Korea Telecom (KIX)
18566 2091 382 177 Covad Communications
1785 1872 680 126 PaeTec Communications, Inc.
8402 1779 480 15 Corbina telecom
10620 1751 324 171 TVCABLE BOGOTA
17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1685 1088 62 NET Servicos de Comunicao S.A
7545 1641 303 86 TPG Internet Pty Ltd
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 3415 3256 Windstream Communications Inc
18566 2091 1914 Covad Communications
8402 1779 1764 Corbina telecom
1785 1872 1746 PaeTec Communications, Inc.
17974 1732 1696 PT TELEKOMUNIKASI INDONESIA
28573 1685 1623 NET Servicos de Comunicao S.A
10620 1751 1580 TVCABLE BOGOTA
7545 1641 1555 TPG Internet Pty Ltd
4766 2490 1497 Korea Telecom (KIX)
22773 1535 1425 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
23.27.0.0/16 18779 Guru.com
27.112.114.0/24 23884 Proimage Engineering and Comm
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 /10:28 /11:81 /12:232
/13:459 /14:811 /15:1474 /16:12159 /17:6214 /18:10387
/19:20483 /20:28446 /21:29317 /22:39844 /23:37086 /24:208012
/25:1182 /26:1433 /27:781 /28:168 /29:57 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3069 3415 Windstream Communications Inc
6389 2110 3438 bellsouth.net, inc.
18566 2040 2091 Covad Communications
8402 1758 1779 Corbina telecom
10620 1648 1751 TVCABLE BOGOTA
30036 1363 1413 Mediacom Communications Corp
11492 1122 1159 Cable One
1785 1063 1872 PaeTec Communications, Inc.
8452 1063 1255 TEDATA
15557 1046 1099 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:504 2:733 4:14 6:3 8:387 12:1962
13:1 14:603 15:11 16:3 17:7 20:8
23:134 24:1736 27:1195 31:941 32:65 33:2
34:2 36:9 37:198 38:783 40:116 41:3097
42:112 43:1 44:3 46:1324 47:3 49:332
50:507 52:13 54:2 55:9 56:3 57:38
58:964 59:494 60:340 61:1194 62:967 63:2005
64:4123 65:2285 66:4458 67:2025 68:1175 69:3163
70:909 71:407 72:1791 74:2658 75:470 76:320
77:972 78:966 79:509 80:1222 81:879 82:629
83:527 84:585 85:1152 86:726 87:912 88:334
89:1560 90:283 91:4493 92:511 93:1353 94:1386
95:1116 96:419 97:312 98:831 99:38 100:4
101:154 103:820 106:66 107:161 108:173 109:1542
110:708 111:857 112:434 113:523 114:600 115:768
116:870 117:710 118:906 119:1256 120:362 121:690
122:1625 123:1078 124:1338 125:1323 128:538 129:190
130:218 131:591 132:162 133:21 134:234 135:62
136:214 137:182 138:287 139:145 140:490 141:261
142:393 143:411 144:516 145:69 146:487 147:238
148:732 149:301 150:163 151:198 152:448 153:171
154:8 155:397 156:212 157:370 158:163 159:517
160:321 161:241 162:342 163:187 164:531 165:393
166:559 167:459 168:765 169:148 170:838 171:117
172:4 173:1720 174:603 175:422 176:507 177:493
178:1267 180:1184 181:68 182:733 183:280 184:432
185:1 186:2012 187:859 188:1081 189:1180 190:5473
192:5982 193:5543 194:4346 195:3398 196:1291 197:166
198:3622 199:4419 200:5713 201:1736 202:8400 203:8629
204:4365 205:2441 206:2740 207:2795 208:4071 209:3549
210:2758 211:1476 212:2019 213:1839 214:856 215:102
216:5036 217:1503 218:548 219:339 220:1230 221:562
222:323 223:314
End of report
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