Routing Table Report 04:00 +10GMT Wed 08 Feb, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 396677
Prefixes after maximum aggregation: 169414
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 191972
Total ASes present in the Internet Routing Table: 40032
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32714
Origin ASes announcing only one prefix: 15524
Transit ASes present in the Internet Routing Table: 5386
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: 310
Unregistered ASNs in the Routing Table: 118
Number of 32-bit ASNs allocated by the RIRs: 2267
Number of 32-bit ASNs visible in the Routing Table: 1932
Prefixes from 32-bit ASNs in the Routing Table: 4686
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 118
Number of addresses announced to Internet: 2513527184
Equivalent to 149 /8s, 209 /16s and 97 /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: 168417
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97777
Total APNIC prefixes after maximum aggregation: 31531
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 94093
Unique aggregates announced from the APNIC address blocks: 39079
APNIC Region origin ASes present in the Internet Routing Table: 4654
APNIC Prefixes per ASN: 20.22
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 731
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: 139
Number of APNIC addresses announced to Internet: 635739232
Equivalent to 37 /8s, 228 /16s and 156 /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: 148137
Total ARIN prefixes after maximum aggregation: 75305
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 120101
Unique aggregates announced from the ARIN address blocks: 49334
ARIN Region origin ASes present in the Internet Routing Table: 14886
ARIN Prefixes per ASN: 8.07
ARIN Region origin ASes announcing only one prefix: 5682
ARIN Region transit ASes present in the Internet Routing Table: 1579
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: 14
Number of ARIN addresses announced to Internet: 804342208
Equivalent to 47 /8s, 241 /16s and 73 /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: 98476
Total RIPE prefixes after maximum aggregation: 52341
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 90364
Unique aggregates announced from the RIPE address blocks: 55983
RIPE Region origin ASes present in the Internet Routing Table: 16297
RIPE Prefixes per ASN: 5.54
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2587
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: 1337
Number of RIPE addresses announced to Internet: 500600392
Equivalent to 29 /8s, 214 /16s and 142 /24s
Percentage of available RIPE address space announced: 80.6
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: 38422
Total LACNIC prefixes after maximum aggregation: 8069
LACNIC Deaggregation factor: 4.76
Prefixes being announced from the LACNIC address blocks: 38024
Unique aggregates announced from the LACNIC address blocks: 19419
LACNIC Region origin ASes present in the Internet Routing Table: 1569
LACNIC Prefixes per ASN: 24.23
LACNIC Region origin ASes announcing only one prefix: 439
LACNIC Region transit ASes present in the Internet Routing Table: 293
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: 438
Number of LACNIC addresses announced to Internet: 96361352
Equivalent to 5 /8s, 190 /16s and 91 /24s
Percentage of available LACNIC address space announced: 63.8
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: 9019
Total AfriNIC prefixes after maximum aggregation: 2095
AfriNIC Deaggregation factor: 4.31
Prefixes being announced from the AfriNIC address blocks: 7032
Unique aggregates announced from the AfriNIC address blocks: 2146
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.73
AfriNIC Region origin ASes announcing only one prefix: 165
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: 30869760
Equivalent to 1 /8s, 215 /16s and 9 /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 1727 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 85 TPG Internet Pty Ltd
4755 1532 385 155 TATA Communications formerly
7552 1392 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
4808 1152 2113 316 CNCGROUP IP network: China169
9583 1123 82 483 Sify Limited
24560 1013 385 167 Bharti Airtel Ltd., Telemedia
18101 950 131 156 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 3444 3807 201 bellsouth.net, inc.
7029 3431 1017 197 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1866 680 125 PaeTec Communications, Inc.
20115 1627 1552 627 Charter Communications
4323 1610 1062 384 Time Warner Telecom
22773 1500 2910 109 Cox Communications, Inc.
30036 1394 244 754 Mediacom Communications Corp
19262 1384 4683 400 Verizon Global Networks
7018 1308 7008 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 1772 480 15 Corbina telecom
2118 1390 99 14 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
34984 647 188 172 BILISIM TELEKOM
6830 642 1927 412 UPC Distribution Services
20940 604 195 468 Akamai Technologies European
12479 567 642 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 1632 1085 69 NET Servicos de Comunicao S.A
8151 1458 2995 345 UniNet S.A. de C.V.
7303 1261 757 180 Telecom Argentina Stet-France
26615 897 664 33 Tim Brasil S.A.
11172 695 111 76 Servicios Alestra S.A de C.V
27947 654 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 1214 958 13 TEDATA
24863 830 155 43 LINKdotNET AS number
6713 485 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 238 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 3444 3807 201 bellsouth.net, inc.
7029 3431 1017 197 Windstream Communications Inc
4766 2474 11102 982 Korea Telecom (KIX)
18566 2093 382 177 Covad Communications
1785 1866 680 125 PaeTec Communications, Inc.
8402 1772 480 15 Corbina telecom
10620 1735 323 170 TVCABLE BOGOTA
17974 1727 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1642 303 85 TPG Internet Pty Ltd
28573 1632 1085 69 NET Servicos de Comunicao S.A
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 3431 3234 Windstream Communications Inc
18566 2093 1916 Covad Communications
8402 1772 1757 Corbina telecom
1785 1866 1741 PaeTec Communications, Inc.
17974 1727 1691 PT TELEKOMUNIKASI INDONESIA
10620 1735 1565 TVCABLE BOGOTA
28573 1632 1563 NET Servicos de Comunicao S.A
7545 1642 1557 TPG Internet Pty Ltd
4766 2474 1492 Korea Telecom (KIX)
22773 1500 1391 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
37.98.0.0/17 50810 Mobin Net Communication Compa
37.98.160.0/19 47241 Ivtelecom Ltd.
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 /15:1472 /16:12160 /17:6175 /18:10297
/19:20448 /20:28213 /21:29153 /22:39683 /23:36963 /24:206819
/25:1185 /26:1427 /27:781 /28:168 /29:58 /30:14
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3057 3431 Windstream Communications Inc
6389 2114 3444 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1751 1772 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1354 1394 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1064 1866 PaeTec Communications, Inc.
15557 1045 1095 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:498 2:485 4:14 5:1 6:3 8:383
12:1954 13:1 14:598 15:11 16:3 17:7
20:9 23:129 24:1721 27:1190 31:876 32:65
33:2 34:2 36:9 37:172 38:774 40:114
41:3169 42:92 43:1 44:3 46:1278 47:3
49:322 50:510 52:13 54:2 55:8 56:3
57:38 58:958 59:495 60:345 61:1189 62:933
63:2005 64:4171 65:2287 66:4428 67:2054 68:1173
69:3154 70:926 71:410 72:1796 74:2650 75:464
76:323 77:969 78:913 79:502 80:1220 81:870
82:567 83:526 84:582 85:1151 86:744 87:914
88:343 89:1544 90:274 91:4440 92:539 93:1554
94:1363 95:1161 96:417 97:310 98:780 99:38
100:4 101:138 103:754 106:10 107:143 108:145
109:1481 110:694 111:848 112:432 113:526 114:593
115:763 116:866 117:725 118:903 119:1252 120:360
121:682 122:1621 123:1060 124:1339 125:1362 128:539
129:189 130:214 131:589 132:164 133:21 134:229
135:60 136:214 137:153 138:285 139:145 140:490
141:262 142:380 143:408 144:520 145:70 146:484
147:228 148:720 149:274 150:167 151:195 152:448
153:170 154:7 155:397 156:211 157:368 158:156
159:512 160:327 161:243 162:341 163:188 164:528
165:393 166:556 167:456 168:764 169:147 170:833
171:109 172:2 173:1736 174:572 175:415 176:490
177:481 178:1238 180:1176 181:65 182:706 183:273
184:430 185:1 186:2025 187:837 188:1029 189:1176
190:5460 192:5978 193:5529 194:4331 195:3387 196:1299
197:181 198:3617 199:4367 200:5705 201:1736 202:8418
203:8619 204:4344 205:2447 206:2746 207:2817 208:4054
209:3565 210:2742 211:1476 212:1995 213:1841 214:860
215:94 216:4986 217:1467 218:554 219:341 220:1251
221:558 222:323 223:279
End of report