Routing Table Report 04:00 +10GMT Tue 24 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 393482
Prefixes after maximum aggregation: 169095
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191158
Total ASes present in the Internet Routing Table: 39900
Prefixes per ASN: 9.86
Origin-only ASes present in the Internet Routing Table: 32637
Origin ASes announcing only one prefix: 15511
Transit ASes present in the Internet Routing Table: 5391
Transit-only ASes present in the Internet Routing Table: 140
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: 2159
Unregistered ASNs in the Routing Table: 1100
Number of 32-bit ASNs allocated by the RIRs: 2211
Number of 32-bit ASNs visible in the Routing Table: 1872
Prefixes from 32-bit ASNs in the Routing Table: 4548
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 116
Number of addresses announced to Internet: 2511473040
Equivalent to 149 /8s, 178 /16s and 9 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
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: 166426
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97617
Total APNIC prefixes after maximum aggregation: 31610
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 93914
Unique aggregates announced from the APNIC address blocks: 38984
APNIC Region origin ASes present in the Internet Routing Table: 4638
APNIC Prefixes per ASN: 20.25
APNIC Region origin ASes announcing only one prefix: 1240
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: 133
Number of APNIC addresses announced to Internet: 635156064
Equivalent to 37 /8s, 219 /16s and 182 /24s
Percentage of available APNIC address space announced: 80.5
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: 147689
Total ARIN prefixes after maximum aggregation: 75180
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119663
Unique aggregates announced from the ARIN address blocks: 49110
ARIN Region origin ASes present in the Internet Routing Table: 14859
ARIN Prefixes per ASN: 8.05
ARIN Region origin ASes announcing only one prefix: 5678
ARIN Region transit ASes present in the Internet Routing Table: 1581
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: 804933184
Equivalent to 47 /8s, 250 /16s and 78 /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: 97328
Total RIPE prefixes after maximum aggregation: 52108
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89204
Unique aggregates announced from the RIPE address blocks: 55711
RIPE Region origin ASes present in the Internet Routing Table: 16276
RIPE Prefixes per ASN: 5.48
RIPE Region origin ASes announcing only one prefix: 7987
RIPE Region transit ASes present in the Internet Routing Table: 2594
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: 1302
Number of RIPE addresses announced to Internet: 497975240
Equivalent to 29 /8s, 174 /16s and 127 /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: 37328
Total LACNIC prefixes after maximum aggregation: 8043
LACNIC Deaggregation factor: 4.64
Prefixes being announced from the LACNIC address blocks: 36947
Unique aggregates announced from the LACNIC address blocks: 19315
LACNIC Region origin ASes present in the Internet Routing Table: 1564
LACNIC Prefixes per ASN: 23.62
LACNIC Region origin ASes announcing only one prefix: 443
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: 95528072
Equivalent to 5 /8s, 177 /16s and 164 /24s
Percentage of available LACNIC address space announced: 63.3
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: 8812
Total AfriNIC prefixes after maximum aggregation: 2082
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 6835
Unique aggregates announced from the AfriNIC address blocks: 2089
AfriNIC Region origin ASes present in the Internet Routing Table: 509
AfriNIC Prefixes per ASN: 13.43
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 4.6
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: 30829056
Equivalent to 1 /8s, 214 /16s and 106 /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 2473 11101 975 Korea Telecom (KIX)
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
4755 1524 385 154 TATA Communications formerly
7552 1424 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 484 Sify Limited
4808 1098 2050 311 CNCGROUP IP network: China169
24560 1011 384 167 Bharti Airtel Ltd., Telemedia
18101 947 130 155 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 3447 3807 201 bellsouth.net, inc.
7029 3225 1016 198 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 679 122 PaeTec Communications, Inc.
20115 1630 1556 625 Charter Communications
4323 1609 1063 384 Time Warner Telecom
22773 1487 2909 108 Cox Communications, Inc.
30036 1457 257 731 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1300 7008 851 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 1776 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 64 LDCOM NETWORKS
6830 644 1928 413 UPC Distribution Services
34984 638 188 171 BILISIM TELEKOM
20940 581 190 462 Akamai Technologies European
12479 557 639 55 Uni2 Autonomous System
31148 533 35 9 FreeNet ISP
8551 532 360 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 1723 321 167 TVCABLE BOGOTA
28573 1615 1068 77 NET Servicos de Comunicao S.A
8151 1458 2999 340 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 644 73 96 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 238 92 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 539 434 68 AVANTEL, S.A.
11172 531 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 1054 958 13 TEDATA
24863 797 146 36 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 243 32 6 Sudatel Internet Exchange Aut
33776 230 12 17 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 3447 3807 201 bellsouth.net, inc.
7029 3225 1016 198 Windstream Communications Inc
4766 2473 11101 975 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1865 679 122 PaeTec Communications, Inc.
8402 1776 480 15 Corbina telecom
10620 1723 321 167 TVCABLE BOGOTA
17974 1715 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 86 TPG Internet Pty Ltd
20115 1630 1556 625 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 3225 3027 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1776 1761 Corbina telecom
1785 1865 1743 PaeTec Communications, Inc.
17974 1715 1679 PT TELEKOMUNIKASI INDONESIA
10620 1723 1556 TVCABLE BOGOTA
7545 1642 1556 TPG Internet Pty Ltd
28573 1615 1538 NET Servicos de Comunicao S.A
4766 2473 1498 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>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 /11:80 /12:232
/13:459 /14:817 /15:1462 /16:12149 /17:6155 /18:10252
/19:20294 /20:28114 /21:29095 /22:39238 /23:36738 /24:204710
/25:1174 /26:1424 /27:784 /28:167 /29:54 /30:14
/31:0 /32:12
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2846 3225 Windstream Communications Inc
6389 2118 3447 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1755 1776 Corbina telecom
10620 1618 1723 TVCABLE BOGOTA
30036 1416 1457 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1067 1865 PaeTec Communications, Inc.
15557 1046 1095 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
12:1960 13:1 14:587 15:11 16:3 17:6
20:9 23:120 24:1716 27:1178 31:828 32:65
33:2 34:2 36:8 37:102 38:796 40:114
41:3013 42:86 43:1 44:3 46:1251 47:3
49:319 50:517 52:13 54:1 55:5 56:3
57:41 58:949 59:493 60:345 61:1176 62:919
63:1978 64:4115 65:2288 66:4411 67:2023 68:1155
69:3145 70:919 71:430 72:1795 74:2655 75:445
76:320 77:968 78:914 79:512 80:1193 81:871
82:563 83:533 84:586 85:1149 86:743 87:908
88:341 89:1550 90:257 91:4459 92:533 93:1560
94:1321 95:1144 96:414 97:298 98:789 99:38
100:18 101:131 103:660 106:10 107:135 108:126
109:1467 110:687 111:839 112:418 113:526 114:604
115:757 116:865 117:728 118:900 119:1262 120:354
121:677 122:1625 123:1059 124:1338 125:1356 128:541
129:191 130:212 131:591 132:162 133:21 134:230
135:58 136:213 137:153 138:289 139:145 140:491
141:260 142:378 143:402 144:511 145:68 146:486
147:224 148:642 149:272 150:165 151:193 152:446
153:170 154:7 155:398 156:210 157:367 158:154
159:508 160:326 161:237 162:340 163:188 164:530
165:393 166:561 167:456 168:852 169:147 170:833
171:107 172:4 173:1771 174:580 175:415 176:384
177:469 178:1210 180:1223 181:43 182:696 183:273
184:397 185:1 186:1507 187:822 188:971 189:1169
190:5371 192:5983 193:5472 194:4199 195:3384 196:1291
197:171 198:3616 199:4327 200:5637 201:1691 202:8427
203:8593 204:4344 205:2436 206:2747 207:2805 208:4018
209:3549 210:2745 211:1475 212:1977 213:1825 214:844
215:95 216:4975 217:1470 218:557 219:341 220:1250
221:558 222:324 223:270
End of report
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