Routing Table Report 04:00 +10GMT Thu 05 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 388583
Prefixes after maximum aggregation: 168517
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 190460
Total ASes present in the Internet Routing Table: 39742
Prefixes per ASN: 9.78
Origin-only ASes present in the Internet Routing Table: 32567
Origin ASes announcing only one prefix: 15514
Transit ASes present in the Internet Routing Table: 5361
Transit-only ASes present in the Internet Routing Table: 139
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: 2060
Unregistered ASNs in the Routing Table: 1041
Number of 32-bit ASNs allocated by the RIRs: 2155
Number of 32-bit ASNs visible in the Routing Table: 1814
Prefixes from 32-bit ASNs in the Routing Table: 4324
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2505527344
Equivalent to 149 /8s, 87 /16s and 80 /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: 91.9
Total number of prefixes smaller than registry allocations: 164665
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96074
Total APNIC prefixes after maximum aggregation: 31404
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92447
Unique aggregates announced from the APNIC address blocks: 38775
APNIC Region origin ASes present in the Internet Routing Table: 4625
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 632673152
Equivalent to 37 /8s, 181 /16s and 211 /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: 146917
Total ARIN prefixes after maximum aggregation: 75017
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 119001
Unique aggregates announced from the ARIN address blocks: 48969
ARIN Region origin ASes present in the Internet Routing Table: 14833
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5684
ARIN Region transit ASes present in the Internet Routing Table: 1575
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: 804719296
Equivalent to 47 /8s, 247 /16s and 10 /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: 95372
Total RIPE prefixes after maximum aggregation: 51913
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87391
Unique aggregates announced from the RIPE address blocks: 55542
RIPE Region origin ASes present in the Internet Routing Table: 16227
RIPE Prefixes per ASN: 5.39
RIPE Region origin ASes announcing only one prefix: 7978
RIPE Region transit ASes present in the Internet Routing Table: 2583
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1269
Number of RIPE addresses announced to Internet: 495672520
Equivalent to 29 /8s, 139 /16s and 92 /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: 37147
Total LACNIC prefixes after maximum aggregation: 8037
LACNIC Deaggregation factor: 4.62
Prefixes being announced from the LACNIC address blocks: 36686
Unique aggregates announced from the LACNIC address blocks: 19158
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 23.53
LACNIC Region origin ASes announcing only one prefix: 447
LACNIC Region transit ASes present in the Internet Routing Table: 282
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: 402
Number of LACNIC addresses announced to Internet: 95202184
Equivalent to 5 /8s, 172 /16s and 171 /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: 8585
Total AfriNIC prefixes after maximum aggregation: 2072
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 6620
Unique aggregates announced from the AfriNIC address blocks: 2070
AfriNIC Region origin ASes present in the Internet Routing Table: 502
AfriNIC Prefixes per ASN: 13.19
AfriNIC Region origin ASes announcing only one prefix: 158
AfriNIC Region transit ASes present in the Internet Routing Table: 114
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: 30797056
Equivalent to 1 /8s, 213 /16s and 237 /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 11100 968 Korea Telecom (KIX)
17974 1717 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 84 TPG Internet Pty Ltd
4755 1516 385 157 TATA Communications formerly
7552 1412 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1111 81 496 Sify Limited
4808 1090 2034 309 CNCGROUP IP network: China169
24560 986 381 164 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 3476 3814 217 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
4323 1622 1065 385 Time Warner Telecom
20115 1616 1551 619 Charter Communications
22773 1518 2909 107 Cox Communications, Inc.
30036 1480 263 689 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1301 7012 854 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 1561 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 643 1928 414 UPC Distribution Services
34984 636 132 198 BILISIM TELEKOM
20940 555 179 442 Akamai Technologies European
12479 552 636 53 Uni2 Autonomous System
3320 531 8162 397 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 1570 1064 76 NET Servicos de Comunicao S.A
8151 1459 2987 348 UniNet S.A. de C.V.
7303 1253 755 177 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 547 237 91 Empresa Nacional de Telecomun
6503 538 434 67 AVANTEL, S.A.
11172 533 86 99 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 794 146 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 217 17 13 Ci Telecom Autonomous system
12258 195 28 60 Vodacom Internet Company
24835 191 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 3476 3814 217 bellsouth.net, inc.
7029 2916 1017 200 Windstream Communications Inc
4766 2461 11100 968 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1862 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1717 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1628 303 84 TPG Internet Pty Ltd
4323 1622 1065 385 Time Warner Telecom
20115 1616 1551 619 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 2916 2716 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1862 1740 PaeTec Communications, Inc.
17974 1717 1680 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
8402 1561 1546 Corbina telecom
7545 1628 1544 TPG Internet Pty Ltd
28573 1570 1494 NET Servicos de Comunicao S.A
4766 2461 1493 Korea Telecom (KIX)
22773 1518 1411 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
37.34.56.0/21 20857 IEPHosting in Amsterdam Zuid
41.222.79.0/24 37345 MEDALLION Communications
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 /14:815 /15:1451 /16:12088 /17:6129 /18:10186
/19:20173 /20:27930 /21:28331 /22:38667 /23:35931 /24:202430
/25:1176 /26:1402 /27:779 /28:168 /29:54 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2544 2916 Windstream Communications Inc
6389 2121 3476 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1540 1561 Corbina telecom
30036 1439 1480 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)
----------------------------------------------
1:495 2:421 4:15 5:1 6:3 8:367
12:1947 13:1 14:581 15:11 16:3 17:7
20:9 23:84 24:1716 27:1169 31:786 32:67
33:2 34:2 36:4 37:13 38:794 40:114
41:3021 42:85 43:1 44:3 46:1161 47:3
49:296 50:498 52:13 55:5 56:2 57:41
58:940 59:487 60:343 61:1176 62:934 63:1968
64:4124 65:2303 66:4369 67:1994 68:1165 69:3142
70:923 71:410 72:1786 74:2645 75:431 76:320
77:941 78:891 79:501 80:1174 81:848 82:530
83:530 84:579 85:1167 86:748 87:910 88:349
89:1584 90:261 91:4404 92:534 93:1523 94:1338
95:1047 96:401 97:293 98:782 99:38 100:18
101:125 103:601 106:10 107:120 108:101 109:1422
110:679 111:840 112:429 113:496 114:596 115:728
116:865 117:720 118:893 119:1232 120:364 121:673
122:1621 123:1050 124:1336 125:1349 128:534 129:191
130:188 131:587 132:163 133:21 134:226 135:54
136:213 137:151 138:285 139:126 140:490 141:258
142:381 143:396 144:502 145:67 146:473 147:222
148:633 149:277 150:165 151:192 152:444 153:169
154:7 155:385 156:210 157:364 158:155 159:507
160:345 161:221 162:335 163:188 164:523 165:394
166:546 167:455 168:815 169:146 170:828 171:95
172:4 173:1788 174:587 175:414 176:334 177:445
178:1168 180:1215 181:43 182:683 183:264 184:421
185:1 186:1475 187:807 188:1007 189:1173 190:5355
192:5984 193:5450 194:3786 195:3193 196:1287 197:174
198:3618 199:4246 200:5606 201:1688 202:8492 203:8563
204:4341 205:2424 206:2707 207:2805 208:4009 209:3549
210:2742 211:1475 212:1904 213:1812 214:838 215:94
216:4912 217:1478 218:567 219:338 220:1243 221:564
222:324 223:264
End of report
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