Routing Table Report 04:00 +10GMT Tue 27 Dec, 2011
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 387479
Prefixes after maximum aggregation: 168143
Deaggregation factor: 2.30
Unique aggregates announced to Internet: 189870
Total ASes present in the Internet Routing Table: 39678
Prefixes per ASN: 9.77
Origin-only ASes present in the Internet Routing Table: 32555
Origin ASes announcing only one prefix: 15518
Transit ASes present in the Internet Routing Table: 5340
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: 1977
Unregistered ASNs in the Routing Table: 1022
Number of 32-bit ASNs allocated by the RIRs: 2135
Number of 32-bit ASNs visible in the Routing Table: 1783
Prefixes from 32-bit ASNs in the Routing Table: 4243
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 107
Number of addresses announced to Internet: 2503500848
Equivalent to 149 /8s, 56 /16s and 100 /24s
Percentage of available address space announced: 67.5
Percentage of allocated address space announced: 67.5
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: 164205
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95840
Total APNIC prefixes after maximum aggregation: 31327
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 92192
Unique aggregates announced from the APNIC address blocks: 38732
APNIC Region origin ASes present in the Internet Routing Table: 4620
APNIC Prefixes per ASN: 19.95
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 730
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: 632236416
Equivalent to 37 /8s, 175 /16s and 41 /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: 146691
Total ARIN prefixes after maximum aggregation: 74923
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118835
Unique aggregates announced from the ARIN address blocks: 48843
ARIN Region origin ASes present in the Internet Routing Table: 14819
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5677
ARIN Region transit ASes present in the Internet Routing Table: 1570
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: 804523968
Equivalent to 47 /8s, 244 /16s and 15 /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: 95102
Total RIPE prefixes after maximum aggregation: 51730
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 87113
Unique aggregates announced from the RIPE address blocks: 55350
RIPE Region origin ASes present in the Internet Routing Table: 16213
RIPE Prefixes per ASN: 5.37
RIPE Region origin ASes announcing only one prefix: 7978
RIPE Region transit ASes present in the Internet Routing Table: 2572
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: 1242
Number of RIPE addresses announced to Internet: 494944968
Equivalent to 29 /8s, 128 /16s and 66 /24s
Percentage of available RIPE address space announced: 79.7
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: 36876
Total LACNIC prefixes after maximum aggregation: 8017
LACNIC Deaggregation factor: 4.60
Prefixes being announced from the LACNIC address blocks: 36382
Unique aggregates announced from the LACNIC address blocks: 18931
LACNIC Region origin ASes present in the Internet Routing Table: 1560
LACNIC Prefixes per ASN: 23.32
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 398
Number of LACNIC addresses announced to Internet: 94981768
Equivalent to 5 /8s, 169 /16s and 78 /24s
Percentage of available LACNIC address space announced: 62.9
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: 8568
Total AfriNIC prefixes after maximum aggregation: 2076
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6612
Unique aggregates announced from the AfriNIC address blocks: 2109
AfriNIC Region origin ASes present in the Internet Routing Table: 503
AfriNIC Prefixes per ASN: 13.15
AfriNIC Region origin ASes announcing only one prefix: 161
AfriNIC Region transit ASes present in the Internet Routing Table: 111
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: 30851328
Equivalent to 1 /8s, 214 /16s and 193 /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 2492 11102 970 Korea Telecom (KIX)
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1629 303 86 TPG Internet Pty Ltd
4755 1517 385 157 TATA Communications formerly
7552 1420 1064 7 Vietel Corporation
9829 1167 989 28 BSNL National Internet Backbo
9583 1100 81 494 Sify Limited
4808 1077 2036 307 CNCGROUP IP network: China169
24560 1012 385 167 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 3470 3814 219 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
18566 2093 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
4323 1621 1065 385 Time Warner Telecom
20115 1612 1549 622 Charter Communications
22773 1515 2909 107 Cox Communications, Inc.
30036 1466 260 686 Mediacom Communications Corp
19262 1389 4683 401 Verizon Global Networks
7018 1302 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 1631 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 648 1928 413 UPC Distribution Services
34984 630 132 198 BILISIM TELEKOM
20940 555 179 441 Akamai Technologies European
12479 551 636 53 Uni2 Autonomous System
3320 532 8162 398 Deutsche Telekom AG
3292 480 2106 407 TDC Tele Danmark
8551 471 365 48 Bezeq International
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 1575 1064 75 NET Servicos de Comunicao S.A
8151 1451 2981 351 UniNet S.A. de C.V.
7303 1249 752 174 Telecom Argentina Stet-France
27947 631 73 94 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 547 237 90 Empresa Nacional de Telecomun
6503 537 434 66 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 1037 958 13 TEDATA
24863 790 146 36 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 243 647 17 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 188 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 3470 3814 219 bellsouth.net, inc.
7029 2917 1017 200 Windstream Communications Inc
4766 2492 11102 970 Korea Telecom (KIX)
18566 2093 383 177 Covad Communications
1785 1860 680 122 PaeTec Communications, Inc.
10620 1721 319 159 TVCABLE BOGOTA
17974 1716 503 38 PT TELEKOMUNIKASI INDONESIA
8402 1631 480 15 Corbina telecom
7545 1629 303 86 TPG Internet Pty Ltd
4323 1621 1065 385 Time Warner Telecom
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 2093 1916 Covad Communications
1785 1860 1738 PaeTec Communications, Inc.
17974 1716 1678 PT TELEKOMUNIKASI INDONESIA
8402 1631 1616 Corbina telecom
10620 1721 1562 TVCABLE BOGOTA
7545 1629 1543 TPG Internet Pty Ltd
4766 2492 1522 Korea Telecom (KIX)
28573 1575 1500 NET Servicos de Comunicao S.A
7552 1420 1413 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 /11:81 /12:237
/13:465 /14:814 /15:1449 /16:12067 /17:6121 /18:10188
/19:20141 /20:27997 /21:28231 /22:38439 /23:35893 /24:201692
/25:1181 /26:1403 /27:771 /28:166 /29:55 /30:14
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2545 2917 Windstream Communications Inc
6389 2115 3470 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1610 1631 Corbina telecom
30036 1426 1466 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1860 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)
----------------------------------------------
1:470 2:452 4:15 5:1 6:3 8:366
12:1946 13:1 14:578 15:11 16:3 17:7
20:9 23:79 24:1716 27:1132 31:755 32:67
33:2 34:2 36:4 37:7 38:775 40:115
41:3017 42:78 43:1 44:3 46:1144 47:3
49:279 50:471 52:13 55:5 56:2 57:42
58:924 59:489 60:343 61:1173 62:936 63:1963
64:4137 65:2302 66:4373 67:1987 68:1166 69:3137
70:924 71:410 72:1788 74:2643 75:431 76:320
77:940 78:882 79:481 80:1168 81:840 82:524
83:529 84:574 85:1161 86:744 87:903 88:362
89:1586 90:259 91:4379 92:530 93:1523 94:1339
95:1053 96:398 97:287 98:770 99:38 100:2
101:130 103:582 106:11 107:118 108:100 109:1424
110:675 111:830 112:433 113:499 114:590 115:708
116:866 117:714 118:893 119:1228 120:359 121:676
122:1618 123:1031 124:1329 125:1348 128:544 129:189
130:185 131:588 132:162 133:21 134:226 135:54
136:213 137:151 138:285 139:126 140:490 141:256
142:382 143:389 144:501 145:67 146:475 147:222
148:629 149:269 150:165 151:192 152:445 153:170
154:7 155:382 156:210 157:365 158:154 159:504
160:359 161:221 162:333 163:187 164:522 165:390
166:544 167:455 168:816 169:146 170:829 171:95
172:4 173:1807 174:598 175:407 176:328 177:427
178:1150 180:1208 181:39 182:676 183:264 184:411
185:1 186:1405 187:781 188:1006 189:1173 190:5319
192:5977 193:5443 194:3779 195:3181 196:1289 197:174
198:3618 199:4233 200:5536 201:1688 202:8490 203:8532
204:4344 205:2419 206:2680 207:2819 208:4012 209:3564
210:2746 211:1476 212:1958 213:1800 214:800 215:93
216:4917 217:1473 218:566 219:336 220:1255 221:530
222:323 223:268
End of report
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