Routing Table Report 04:00 +10GMT Sun 24 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 415066
Prefixes after maximum aggregation: 175359
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202294
Total ASes present in the Internet Routing Table: 41355
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33308
Origin ASes announcing only one prefix: 15665
Transit ASes present in the Internet Routing Table: 5533
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 28
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 388
Unregistered ASNs in the Routing Table: 123
Number of 32-bit ASNs allocated by the RIRs: 2888
Number of 32-bit ASNs visible in the Routing Table: 2514
Prefixes from 32-bit ASNs in the Routing Table: 6437
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 259
Number of addresses announced to Internet: 2568244780
Equivalent to 153 /8s, 20 /16s and 78 /24s
Percentage of available address space announced: 69.3
Percentage of allocated address space announced: 69.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 144449
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101067
Total APNIC prefixes after maximum aggregation: 32681
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 101497
Unique aggregates announced from the APNIC address blocks: 41892
APNIC Region origin ASes present in the Internet Routing Table: 4710
APNIC Prefixes per ASN: 21.55
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 743
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 238
Number of APNIC addresses announced to Internet: 703542656
Equivalent to 41 /8s, 239 /16s and 53 /24s
Percentage of available APNIC address space announced: 82.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 152061
Total ARIN prefixes after maximum aggregation: 77270
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153002
Unique aggregates announced from the ARIN address blocks: 68164
ARIN Region origin ASes present in the Internet Routing Table: 15168
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5750
ARIN Region transit ASes present in the Internet Routing Table: 1600
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1080837760
Equivalent to 64 /8s, 108 /16s and 70 /24s
Percentage of available ARIN address space announced: 57.2
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 103621
Total RIPE prefixes after maximum aggregation: 54853
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105659
Unique aggregates announced from the RIPE address blocks: 66791
RIPE Region origin ASes present in the Internet Routing Table: 16639
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8074
RIPE Region transit ASes present in the Internet Routing Table: 2669
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1655
Number of RIPE addresses announced to Internet: 631887748
Equivalent to 37 /8s, 169 /16s and 215 /24s
Percentage of available RIPE address space announced: 91.9
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 42339
Total LACNIC prefixes after maximum aggregation: 8333
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 44851
Unique aggregates announced from the LACNIC address blocks: 21924
LACNIC Region origin ASes present in the Internet Routing Table: 1603
LACNIC Prefixes per ASN: 27.98
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 308
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 600
Number of LACNIC addresses announced to Internet: 111092392
Equivalent to 6 /8s, 159 /16s and 34 /24s
Percentage of available LACNIC address space announced: 66.2
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9344
Total AfriNIC prefixes after maximum aggregation: 2164
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 9798
Unique aggregates announced from the AfriNIC address blocks: 3291
AfriNIC Region origin ASes present in the Internet Routing Table: 546
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 166
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 5
Number of AfriNIC addresses announced to Internet: 40495872
Equivalent to 2 /8s, 105 /16s and 235 /24s
Percentage of available AfriNIC address space announced: 40.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2704 11117 1196 Korea Telecom (KIX)
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
7545 1689 301 87 TPG Internet Pty Ltd
4755 1594 385 154 TATA Communications formerly
9829 1300 1085 28 BSNL National Internet Backbo
9583 1173 89 511 Sify Limited
4808 1107 2054 313 CNCGROUP IP network: China169
7552 1100 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 966 291 63 BHARTI Airtel Ltd.
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 3400 3790 189 bellsouth.net, inc.
7029 3231 986 157 Windstream Communications Inc
18566 2091 382 181 Covad Communications
1785 1925 681 132 PaeTec Communications, Inc.
22773 1653 2911 121 Cox Communications, Inc.
20115 1645 1570 613 Charter Communications
4323 1572 1043 385 Time Warner Telecom
30036 1440 269 764 Mediacom Communications Corp
7018 1226 10013 823 AT&T WorldNet Services
11492 1189 216 356 Cable One
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 1747 544 16 Corbina telecom
2118 1255 97 14 EUnet/RELCOM Autonomous Syste
12479 757 721 93 Uni2 Autonomous System
34984 710 188 173 BILISIM TELEKOM
31148 686 37 9 FreeNet ISP
6830 685 2234 437 UPC Distribution Services
20940 664 215 520 Akamai Technologies European
8551 577 364 61 Bezeq International
13188 514 100 10 Educational Network
3320 496 8443 408 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 1967 342 205 TVCABLE BOGOTA
28573 1954 1211 54 NET Servicos de Comunicao S.A
6503 1530 418 65 AVANTEL, S.A.
8151 1482 3075 334 UniNet S.A. de C.V.
7303 1440 901 195 Telecom Argentina Stet-France
26615 903 728 33 Tim Brasil S.A.
27947 705 73 93 Telconet S.A
11172 646 91 74 Servicios Alestra S.A de C.V
3816 587 247 91 Empresa Nacional de Telecomun
22047 583 326 15 VTR PUNTO NET 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 1275 958 13 TEDATA
24863 860 274 35 LINKdotNET AS number
6713 499 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 209 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
16637 172 664 87 MTN Network Solutions
29975 167 571 19 Vodacom
29571 157 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 3400 3790 189 bellsouth.net, inc.
7029 3231 986 157 Windstream Communications Inc
4766 2704 11117 1196 Korea Telecom (KIX)
18566 2091 382 181 Covad Communications
10620 1967 342 205 TVCABLE BOGOTA
28573 1954 1211 54 NET Servicos de Comunicao S.A
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
1785 1925 681 132 PaeTec Communications, Inc.
8402 1747 544 16 Corbina telecom
7545 1689 301 87 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 3231 3074 Windstream Communications Inc
18566 2091 1910 Covad Communications
28573 1954 1900 NET Servicos de Comunicao S.A
17974 1945 1865 PT TELEKOMUNIKASI INDONESIA
1785 1925 1793 PaeTec Communications, Inc.
10620 1967 1762 TVCABLE BOGOTA
8402 1747 1731 Corbina telecom
7545 1689 1602 TPG Internet Pty Ltd
22773 1653 1532 Cox Communications, Inc.
4766 2704 1508 Korea Telecom (KIX)
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
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
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
29760 UNALLOCATED 12.145.34.0/23 7018 AT&T WorldNet Servic
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
27.112.114.0/24 23884 Proimage Engineering and Comm
46.96.0.0/22 31733 Link Telecom PJSC
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 /9:13 /10:28 /11:83 /12:236
/13:462 /14:833 /15:1508 /16:12288 /17:6333 /18:10723
/19:20825 /20:29573 /21:31272 /22:40916 /23:38803 /24:217308
/25:1239 /26:1462 /27:866 /28:168 /29:66 /30:19
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2631 3231 Windstream Communications Inc
18566 2040 2091 Covad Communications
6389 1874 3400 bellsouth.net, inc.
8402 1441 1747 Corbina telecom
30036 1379 1440 Mediacom Communications Corp
11492 1152 1189 Cable One
22773 1085 1653 Cox Communications, Inc.
6503 1061 1530 AVANTEL, S.A.
8452 1040 1275 TEDATA
1785 1036 1925 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:564 2:751 3:1 4:13 5:44 6:3
8:430 12:2015 13:1 14:628 15:12 16:3
17:5 20:24 23:185 24:1784 27:1312 31:983
32:56 33:2 34:2 36:9 37:587 38:815
39:1 40:127 41:3146 42:139 44:3 46:1451
47:2 49:415 50:560 52:13 54:12 55:8
56:1 57:34 58:976 59:505 60:259 61:1225
62:997 63:2039 64:4247 65:2249 66:4456 67:2022
68:1156 69:3192 70:981 71:504 72:1830 74:2604
75:474 76:330 77:951 78:976 79:494 80:1221
81:944 82:653 83:525 84:495 85:1191 86:420
87:936 88:331 89:1717 90:298 91:4956 92:573
93:1397 94:1595 95:1243 96:372 97:317 98:895
99:39 100:17 101:252 103:1209 106:103 107:186
108:340 109:1412 110:785 111:927 112:419 113:625
114:642 115:822 116:950 117:730 118:899 119:1226
120:348 121:694 122:1673 123:1097 124:1398 125:1254
128:565 129:198 130:254 131:633 132:288 133:22
134:244 135:61 136:215 137:239 138:334 139:183
140:492 141:253 142:437 143:371 144:531 145:76
146:508 147:291 148:768 149:314 150:164 151:181
152:473 153:175 154:17 155:437 156:225 157:381
158:190 159:621 160:336 161:268 162:351 163:192
164:642 165:413 166:587 167:475 168:912 169:127
170:880 171:137 172:5 173:1776 174:622 175:434
176:545 177:843 178:1527 180:1260 181:98 182:1020
183:230 184:520 185:1 186:2382 187:1133 188:1348
189:1854 190:5637 192:6009 193:5542 194:4544 195:3428
196:1223 197:160 198:3668 199:4791 200:5903 201:1969
202:8678 203:8564 204:4340 205:2535 206:2803 207:2800
208:4043 209:3603 210:2786 211:1553 212:2033 213:1926
214:877 215:83 216:5101 217:1564 218:554 219:312
220:1243 221:574 222:315 223:354
End of report