Routing Table Report 04:00 +10GMT Tue 06 Mar, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 399308
Prefixes after maximum aggregation: 170515
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 194169
Total ASes present in the Internet Routing Table: 40285
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32830
Origin ASes announcing only one prefix: 15515
Transit ASes present in the Internet Routing Table: 5414
Transit-only ASes present in the Internet Routing Table: 141
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: 338
Unregistered ASNs in the Routing Table: 147
Number of 32-bit ASNs allocated by the RIRs: 2309
Number of 32-bit ASNs visible in the Routing Table: 2041
Prefixes from 32-bit ASNs in the Routing Table: 4896
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 451
Number of addresses announced to Internet: 2524175824
Equivalent to 150 /8s, 115 /16s and 221 /24s
Percentage of available address space announced: 68.1
Percentage of allocated address space announced: 68.1
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: 169800
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98043
Total APNIC prefixes after maximum aggregation: 31895
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 94398
Unique aggregates announced from the APNIC address blocks: 39381
APNIC Region origin ASes present in the Internet Routing Table: 4670
APNIC Prefixes per ASN: 20.21
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 741
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 158
Number of APNIC addresses announced to Internet: 641127584
Equivalent to 38 /8s, 54 /16s and 212 /24s
Percentage of available APNIC address space announced: 81.3
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: 148678
Total ARIN prefixes after maximum aggregation: 75562
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120291
Unique aggregates announced from the ARIN address blocks: 49705
ARIN Region origin ASes present in the Internet Routing Table: 14928
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5679
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 805447424
Equivalent to 48 /8s, 2 /16s and 39 /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: 99908
Total RIPE prefixes after maximum aggregation: 52771
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 91431
Unique aggregates announced from the RIPE address blocks: 56726
RIPE Region origin ASes present in the Internet Routing Table: 16340
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 7990
RIPE Region transit ASes present in the Internet Routing Table: 2615
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: 1395
Number of RIPE addresses announced to Internet: 501442312
Equivalent to 29 /8s, 227 /16s and 103 /24s
Percentage of available RIPE address space announced: 80.8
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: 38860
Total LACNIC prefixes after maximum aggregation: 8087
LACNIC Deaggregation factor: 4.81
Prefixes being announced from the LACNIC address blocks: 38606
Unique aggregates announced from the LACNIC address blocks: 19654
LACNIC Region origin ASes present in the Internet Routing Table: 1573
LACNIC Prefixes per ASN: 24.54
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 282
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 469
Number of LACNIC addresses announced to Internet: 97872008
Equivalent to 5 /8s, 213 /16s and 104 /24s
Percentage of available LACNIC address space announced: 64.8
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: 8732
Total AfriNIC prefixes after maximum aggregation: 2092
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 6817
Unique aggregates announced from the AfriNIC address blocks: 2167
AfriNIC Region origin ASes present in the Internet Routing Table: 521
AfriNIC Prefixes per ASN: 13.08
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 31567872
Equivalent to 1 /8s, 225 /16s and 176 /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 2486 11107 988 Korea Telecom (KIX)
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1648 303 88 TPG Internet Pty Ltd
4755 1559 385 157 TATA Communications formerly
9583 1200 91 509 Sify Limited
9829 1183 997 29 BSNL National Internet Backbo
7552 1159 1062 11 Vietel Corporation
4808 1133 2096 324 CNCGROUP IP network: China169
24560 1012 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 3420 3807 198 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
18566 2090 382 177 Covad Communications
1785 1878 680 128 PaeTec Communications, Inc.
20115 1631 1550 632 Charter Communications
4323 1609 1059 383 Time Warner Telecom
22773 1538 2910 110 Cox Communications, Inc.
30036 1399 252 751 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1289 9777 846 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 1862 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1088 2184 60 LDCOM NETWORKS
34984 658 188 171 BILISIM TELEKOM
6830 639 1926 410 UPC Distribution Services
20940 634 203 483 Akamai Technologies European
12479 613 644 55 Uni2 Autonomous System
8551 598 360 81 Bezeq International
31148 540 37 9 FreeNet ISP
3320 533 8442 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 1759 325 169 TVCABLE BOGOTA
28573 1691 1089 60 NET Servicos de Comunicao S.A
8151 1485 3013 346 UniNet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 898 672 33 Tim Brasil S.A.
27947 674 68 107 Telconet S.A
11172 634 91 72 Servicios Alestra S.A de C.V
22047 581 322 17 VTR PUNTO NET S.A.
3816 563 240 89 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia 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 1248 958 13 TEDATA
24863 834 274 37 LINKdotNET AS number
6713 491 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 Vodacom Internet Company
24835 181 80 8 RAYA Telecom - Egypt
33776 169 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 153 15 16 Ci Telecom Autonomous system
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 3420 3807 198 bellsouth.net, inc.
7029 3416 1014 159 Windstream Communications Inc
4766 2486 11107 988 Korea Telecom (KIX)
18566 2090 382 177 Covad Communications
1785 1878 680 128 PaeTec Communications, Inc.
8402 1862 544 16 Corbina telecom
10620 1759 325 169 TVCABLE BOGOTA
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1691 1089 60 NET Servicos de Comunicao S.A
7545 1648 303 88 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 3416 3257 Windstream Communications Inc
18566 2090 1913 Covad Communications
8402 1862 1846 Corbina telecom
1785 1878 1750 PaeTec Communications, Inc.
17974 1731 1695 PT TELEKOMUNIKASI INDONESIA
28573 1691 1631 NET Servicos de Comunicao S.A
10620 1759 1590 TVCABLE BOGOTA
7545 1648 1560 TPG Internet Pty Ltd
4766 2486 1498 Korea Telecom (KIX)
22773 1538 1428 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
23.27.0.0/20 18779 Guru.com
23.27.0.0/16 18779 Guru.com
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 /12:234
/13:458 /14:817 /15:1475 /16:12174 /17:6228 /18:10414
/19:20447 /20:28500 /21:29287 /22:39816 /23:37115 /24:208521
/25:1202 /26:1440 /27:781 /28:169 /29:57 /30:14
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3071 3416 Windstream Communications Inc
6389 2105 3420 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1840 1862 Corbina telecom
10620 1656 1759 TVCABLE BOGOTA
30036 1349 1399 Mediacom Communications Corp
11492 1124 1161 Cable One
1785 1064 1878 PaeTec Communications, Inc.
8452 1058 1248 TEDATA
7011 1040 1156 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:525 2:784 4:14 6:3 8:392 12:1964
13:1 14:603 15:11 16:3 17:7 20:8
23:139 24:1738 27:1208 31:982 32:65 33:2
34:2 36:9 37:220 38:779 40:117 41:2977
42:121 44:3 46:1374 47:3 49:332 50:510
52:13 54:5 55:9 56:3 57:37 58:971
59:495 60:283 61:1189 62:976 63:2008 64:4113
65:2282 66:4465 67:2034 68:1166 69:3156 70:909
71:409 72:1792 74:2644 75:470 76:320 77:975
78:969 79:479 80:1210 81:884 82:626 83:539
84:586 85:1161 86:729 87:914 88:334 89:1566
90:285 91:4534 92:515 93:1404 94:1371 95:1122
96:421 97:315 98:802 99:38 100:5 101:146
103:860 106:64 107:167 108:181 109:1526 110:727
111:862 112:435 113:534 114:606 115:783 116:869
117:712 118:904 119:1263 120:371 121:687 122:1620
123:1077 124:1341 125:1321 128:542 129:191 130:265
131:591 132:166 133:21 134:235 135:62 136:212
137:184 138:271 139:145 140:490 141:266 142:392
143:415 144:511 145:69 146:485 147:243 148:710
149:300 150:163 151:198 152:448 153:171 154:7
155:422 156:212 157:370 158:162 159:518 160:324
161:245 162:343 163:187 164:530 165:395 166:563
167:460 168:811 169:148 170:839 171:119 172:4
173:1708 174:591 175:420 176:528 177:531 178:1282
180:1192 181:68 182:763 183:285 184:437 185:1
186:2092 187:851 188:1049 189:1202 190:5476 192:5989
193:5567 194:4354 195:3404 196:1283 197:167 198:3626
199:4444 200:5738 201:1739 202:8386 203:8658 204:4352
205:2449 206:2743 207:2798 208:4047 209:3566 210:2757
211:1473 212:1958 213:1877 214:837 215:102 216:5021
217:1509 218:546 219:332 220:1230 221:564 222:322
223:317
End of report
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