Routing Table Report 04:00 +10GMT Mon 30 Jan, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 394113
Prefixes after maximum aggregation: 169137
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191607
Total ASes present in the Internet Routing Table: 39933
Prefixes per ASN: 9.87
Origin-only ASes present in the Internet Routing Table: 32638
Origin ASes announcing only one prefix: 15507
Transit ASes present in the Internet Routing Table: 5399
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: 34
Max AS path prepend of ASN (38964) 31
Prefixes from unregistered ASNs in the Routing Table: 316
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 2236
Number of 32-bit ASNs visible in the Routing Table: 1896
Prefixes from 32-bit ASNs in the Routing Table: 4591
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2512237392
Equivalent to 149 /8s, 189 /16s and 179 /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: 166960
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97491
Total APNIC prefixes after maximum aggregation: 31609
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 93774
Unique aggregates announced from the APNIC address blocks: 39048
APNIC Region origin ASes present in the Internet Routing Table: 4646
APNIC Prefixes per ASN: 20.18
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 737
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 137
Number of APNIC addresses announced to Internet: 635213664
Equivalent to 37 /8s, 220 /16s and 151 /24s
Percentage of available APNIC address space announced: 80.6
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: 147738
Total ARIN prefixes after maximum aggregation: 75123
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 119876
Unique aggregates announced from the ARIN address blocks: 49222
ARIN Region origin ASes present in the Internet Routing Table: 14850
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5676
ARIN Region transit ASes present in the Internet Routing Table: 1582
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: 805066304
Equivalent to 47 /8s, 252 /16s and 86 /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: 97456
Total RIPE prefixes after maximum aggregation: 52187
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 89412
Unique aggregates announced from the RIPE address blocks: 55886
RIPE Region origin ASes present in the Internet Routing Table: 16287
RIPE Prefixes per ASN: 5.49
RIPE Region origin ASes announcing only one prefix: 7988
RIPE Region transit ASes present in the Internet Routing Table: 2593
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1314
Number of RIPE addresses announced to Internet: 498642568
Equivalent to 29 /8s, 184 /16s and 174 /24s
Percentage of available RIPE address space announced: 80.3
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: 37624
Total LACNIC prefixes after maximum aggregation: 8056
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37219
Unique aggregates announced from the LACNIC address blocks: 19352
LACNIC Region origin ASes present in the Internet Routing Table: 1567
LACNIC Prefixes per ASN: 23.75
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 291
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: 427
Number of LACNIC addresses announced to Internet: 95772552
Equivalent to 5 /8s, 181 /16s and 95 /24s
Percentage of available LACNIC address space announced: 63.4
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: 9050
Total AfriNIC prefixes after maximum aggregation: 2090
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 7076
Unique aggregates announced from the AfriNIC address blocks: 2159
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 13.98
AfriNIC Region origin ASes announcing only one prefix: 158
AfriNIC Region transit ASes present in the Internet Routing Table: 118
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: 30905344
Equivalent to 1 /8s, 215 /16s and 148 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2472 11101 979 Korea Telecom (KIX)
17974 1715 503 35 PT TELEKOMUNIKASI INDONESIA
4755 1526 385 155 TATA Communications formerly
7545 1525 303 87 TPG Internet Pty Ltd
7552 1424 1064 7 Vietel Corporation
9829 1167 989 28 BSNL National Internet Backbo
9583 1119 81 483 Sify Limited
4808 1100 2051 312 CNCGROUP IP network: China169
24560 1015 385 167 Bharti Airtel Ltd., Telemedia
18101 948 130 156 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 3445 3807 201 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1864 679 123 PaeTec Communications, Inc.
20115 1624 1552 628 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1521 2910 109 Cox Communications, Inc.
30036 1455 255 728 Mediacom Communications Corp
19262 1386 4683 400 Verizon Global Networks
7018 1299 7008 848 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 1780 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 64 LDCOM NETWORKS
6830 642 1927 412 UPC Distribution Services
34984 641 188 172 BILISIM TELEKOM
20940 589 193 463 Akamai Technologies European
12479 549 636 53 Uni2 Autonomous System
3320 530 8161 396 Deutsche Telekom AG
8551 530 360 81 Bezeq International
31148 526 37 9 FreeNet ISP
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 321 175 TVCABLE BOGOTA
28573 1633 1069 71 NET Servicos de Comunicao S.A
8151 1454 2996 343 UniNet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
11172 687 95 72 Servicios Alestra S.A de C.V
27947 650 73 99 Telconet S.A
22047 582 322 17 VTR PUNTO NET S.A.
3816 550 237 91 Empresa Nacional de Telecomun
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 537 434 68 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 1233 958 13 TEDATA
24863 833 156 44 LINKdotNET AS number
6713 487 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 232 12 18 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 196 28 61 Vodacom Internet Company
24835 190 80 8 RAYA Telecom - Egypt
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 3445 3807 201 bellsouth.net, inc.
7029 3223 1017 200 Windstream Communications Inc
4766 2472 11101 979 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1864 679 123 PaeTec Communications, Inc.
8402 1780 480 15 Corbina telecom
10620 1723 321 175 TVCABLE BOGOTA
17974 1715 503 35 PT TELEKOMUNIKASI INDONESIA
28573 1633 1069 71 NET Servicos de Comunicao S.A
20115 1624 1552 628 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 3223 3023 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1780 1765 Corbina telecom
1785 1864 1741 PaeTec Communications, Inc.
17974 1715 1680 PT TELEKOMUNIKASI INDONESIA
28573 1633 1562 NET Servicos de Comunicao S.A
10620 1723 1548 TVCABLE BOGOTA
4766 2472 1493 Korea Telecom (KIX)
7545 1525 1438 TPG Internet Pty Ltd
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<<
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
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 /14:818 /15:1460 /16:12134 /17:6156 /18:10264
/19:20316 /20:28150 /21:28954 /22:39433 /23:36773 /24:205182
/25:1180 /26:1420 /27:783 /28:169 /29:60 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2844 3223 Windstream Communications Inc
6389 2115 3445 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1759 1780 Corbina telecom
10620 1618 1723 TVCABLE BOGOTA
30036 1414 1455 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1064 1864 PaeTec Communications, Inc.
15557 1046 1095 LDCOM NETWORKS
8452 1037 1233 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:511 2:476 4:14 5:1 6:3 8:377
12:1954 13:1 14:590 15:11 16:3 17:6
20:9 23:121 24:1722 27:1182 31:821 32:65
33:2 34:2 36:8 37:115 38:792 40:114
41:3197 42:88 43:1 44:3 46:1260 47:3
49:319 50:517 52:13 54:2 55:5 56:3
57:38 58:954 59:492 60:345 61:1185 62:922
63:1993 64:4130 65:2288 66:4412 67:2048 68:1168
69:3151 70:915 71:431 72:1801 74:2646 75:446
76:321 77:970 78:920 79:494 80:1209 81:873
82:561 83:531 84:582 85:1147 86:743 87:912
88:342 89:1534 90:258 91:4472 92:536 93:1558
94:1318 95:1153 96:413 97:306 98:799 99:38
100:20 101:130 103:691 106:4 107:140 108:129
109:1458 110:685 111:836 112:428 113:520 114:597
115:755 116:860 117:723 118:902 119:1259 120:354
121:682 122:1625 123:1039 124:1337 125:1360 128:543
129:191 130:209 131:591 132:154 133:21 134:233
135:59 136:213 137:153 138:280 139:145 140:487
141:259 142:378 143:369 144:503 145:68 146:487
147:226 148:694 149:271 150:166 151:193 152:443
153:170 154:7 155:397 156:210 157:367 158:154
159:510 160:329 161:237 162:339 163:180 164:519
165:391 166:560 167:458 168:768 169:147 170:834
171:117 172:4 173:1778 174:574 175:414 176:395
177:471 178:1235 180:1231 181:43 182:700 183:276
184:441 185:1 186:1512 187:829 188:965 189:1164
190:5413 192:5969 193:5479 194:4211 195:3389 196:1290
197:179 198:3584 199:4345 200:5702 201:1720 202:8426
203:8587 204:4350 205:2419 206:2747 207:2813 208:4033
209:3559 210:2754 211:1478 212:1978 213:1828 214:833
215:85 216:4978 217:1476 218:550 219:342 220:1252
221:557 222:321 223:272
End of report
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