Routing Table Report 04:00 +10GMT Thu 09 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 396883
Prefixes after maximum aggregation: 169516
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192141
Total ASes present in the Internet Routing Table: 40051
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32736
Origin ASes announcing only one prefix: 15531
Transit ASes present in the Internet Routing Table: 5378
Transit-only ASes present in the Internet Routing Table: 142
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: 319
Unregistered ASNs in the Routing Table: 122
Number of 32-bit ASNs allocated by the RIRs: 2269
Number of 32-bit ASNs visible in the Routing Table: 1937
Prefixes from 32-bit ASNs in the Routing Table: 4668
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 117
Number of addresses announced to Internet: 2513965008
Equivalent to 149 /8s, 216 /16s and 15 /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: 168563
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97837
Total APNIC prefixes after maximum aggregation: 31672
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 94153
Unique aggregates announced from the APNIC address blocks: 39084
APNIC Region origin ASes present in the Internet Routing Table: 4652
APNIC Prefixes per ASN: 20.24
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 732
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: 141
Number of APNIC addresses announced to Internet: 635744800
Equivalent to 37 /8s, 228 /16s and 178 /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: 148121
Total ARIN prefixes after maximum aggregation: 75294
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120061
Unique aggregates announced from the ARIN address blocks: 49385
ARIN Region origin ASes present in the Internet Routing Table: 14894
ARIN Prefixes per ASN: 8.06
ARIN Region origin ASes announcing only one prefix: 5687
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804372160
Equivalent to 47 /8s, 241 /16s and 190 /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: 98595
Total RIPE prefixes after maximum aggregation: 52314
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 90432
Unique aggregates announced from the RIPE address blocks: 56041
RIPE Region origin ASes present in the Internet Routing Table: 16300
RIPE Prefixes per ASN: 5.55
RIPE Region origin ASes announcing only one prefix: 7997
RIPE Region transit ASes present in the Internet Routing Table: 2586
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: 1338
Number of RIPE addresses announced to Internet: 500783944
Equivalent to 29 /8s, 217 /16s and 91 /24s
Percentage of available RIPE address space announced: 80.7
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: 38495
Total LACNIC prefixes after maximum aggregation: 8069
LACNIC Deaggregation factor: 4.77
Prefixes being announced from the LACNIC address blocks: 38106
Unique aggregates announced from the LACNIC address blocks: 19435
LACNIC Region origin ASes present in the Internet Routing Table: 1572
LACNIC Prefixes per ASN: 24.24
LACNIC Region origin ASes announcing only one prefix: 441
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: 439
Number of LACNIC addresses announced to Internet: 96526984
Equivalent to 5 /8s, 192 /16s and 226 /24s
Percentage of available LACNIC address space announced: 63.9
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: 9000
Total AfriNIC prefixes after maximum aggregation: 2094
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 7016
Unique aggregates announced from the AfriNIC address blocks: 2157
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.70
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 116
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: 30894336
Equivalent to 1 /8s, 215 /16s and 105 /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 2474 11102 982 Korea Telecom (KIX)
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1640 303 84 TPG Internet Pty Ltd
4755 1532 385 155 TATA Communications formerly
7552 1392 1064 7 Vietel Corporation
9829 1172 989 28 BSNL National Internet Backbo
4808 1149 2112 314 CNCGROUP IP network: China169
9583 1124 83 483 Sify Limited
24560 1013 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 3443 3807 201 bellsouth.net, inc.
7029 3392 1014 160 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1867 680 125 PaeTec Communications, Inc.
20115 1625 1550 631 Charter Communications
4323 1608 1062 384 Time Warner Telecom
22773 1502 2910 109 Cox Communications, Inc.
30036 1402 246 749 Mediacom Communications Corp
19262 1385 4683 400 Verizon Global Networks
7018 1308 6996 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 1760 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 648 188 172 BILISIM TELEKOM
6830 643 1927 413 UPC Distribution Services
20940 605 195 467 Akamai Technologies European
12479 568 642 54 Uni2 Autonomous System
31148 537 37 9 FreeNet ISP
3320 533 8450 399 Deutsche Telekom AG
8551 531 360 81 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 1735 323 170 TVCABLE BOGOTA
28573 1652 1085 69 NET Servicos de Comunicao S.A
8151 1458 3011 343 UniNet S.A. de C.V.
7303 1262 758 181 Telecom Argentina Stet-France
26615 897 664 33 Tim Brasil S.A.
11172 694 95 75 Servicios Alestra S.A de C.V
27947 655 73 99 Telconet S.A
22047 581 322 17 VTR PUNTO NET S.A.
3816 550 237 91 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 1231 958 13 TEDATA
24863 829 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 278 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 230 13 14 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
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 3443 3807 201 bellsouth.net, inc.
7029 3392 1014 160 Windstream Communications Inc
4766 2474 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1867 680 125 PaeTec Communications, Inc.
8402 1760 480 15 Corbina telecom
10620 1735 323 170 TVCABLE BOGOTA
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1652 1085 69 NET Servicos de Comunicao S.A
7545 1640 303 84 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 3392 3232 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1760 1745 Corbina telecom
1785 1867 1742 PaeTec Communications, Inc.
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
28573 1652 1583 NET Servicos de Comunicao S.A
10620 1735 1565 TVCABLE BOGOTA
7545 1640 1556 TPG Internet Pty Ltd
4766 2474 1492 Korea Telecom (KIX)
22773 1502 1393 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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.110.128.0/19 42610 RIPE Network Coordination Cen
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 /12:231
/13:458 /14:816 /15:1469 /16:12150 /17:6171 /18:10307
/19:20457 /20:28245 /21:29187 /22:39714 /23:36979 /24:206902
/25:1193 /26:1431 /27:775 /28:169 /29:59 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3047 3392 Windstream Communications Inc
6389 2113 3443 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1739 1760 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1361 1402 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1065 1867 PaeTec Communications, Inc.
15557 1045 1095 LDCOM NETWORKS
8452 1037 1231 TEDATA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:500 2:485 4:14 5:1 6:3 8:384
12:1956 13:1 14:596 15:11 16:3 17:7
20:9 23:130 24:1721 27:1190 31:883 32:65
33:2 34:2 36:9 37:175 38:776 40:115
41:3168 42:92 43:1 44:3 46:1278 47:3
49:322 50:513 52:13 54:2 55:8 56:3
57:38 58:962 59:491 60:345 61:1192 62:933
63:2007 64:4131 65:2283 66:4423 67:2040 68:1174
69:3152 70:926 71:411 72:1794 74:2652 75:464
76:323 77:965 78:917 79:502 80:1229 81:882
82:567 83:529 84:583 85:1150 86:739 87:905
88:343 89:1551 90:275 91:4447 92:539 93:1553
94:1354 95:1157 96:417 97:310 98:802 99:38
100:4 101:140 103:759 106:10 107:148 108:145
109:1485 110:694 111:849 112:432 113:527 114:595
115:763 116:863 117:724 118:903 119:1249 120:361
121:679 122:1605 123:1067 124:1340 125:1362 128:535
129:189 130:213 131:589 132:164 133:21 134:231
135:60 136:215 137:153 138:285 139:145 140:487
141:261 142:385 143:413 144:524 145:69 146:484
147:243 148:726 149:274 150:171 151:196 152:448
153:170 154:7 155:400 156:211 157:367 158:157
159:513 160:321 161:244 162:341 163:188 164:528
165:392 166:556 167:457 168:761 169:147 170:833
171:111 172:2 173:1737 174:585 175:414 176:479
177:479 178:1237 180:1185 181:65 182:710 183:276
184:424 185:1 186:2050 187:841 188:1037 189:1171
190:5470 192:5977 193:5524 194:4324 195:3392 196:1297
197:181 198:3618 199:4373 200:5711 201:1730 202:8413
203:8617 204:4339 205:2439 206:2732 207:2805 208:4056
209:3567 210:2744 211:1478 212:2019 213:1845 214:863
215:95 216:4997 217:1467 218:552 219:341 220:1251
221:559 222:325 223:280
End of report