Routing Table Report 04:00 +10GMT Tue 26 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 415253
Prefixes after maximum aggregation: 175320
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 202430
Total ASes present in the Internet Routing Table: 41374
Prefixes per ASN: 10.04
Origin-only ASes present in the Internet Routing Table: 33312
Origin ASes announcing only one prefix: 15667
Transit ASes present in the Internet Routing Table: 5542
Transit-only ASes present in the Internet Routing Table: 143
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: 121
Number of 32-bit ASNs allocated by the RIRs: 2888
Number of 32-bit ASNs visible in the Routing Table: 2520
Prefixes from 32-bit ASNs in the Routing Table: 6465
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 258
Number of addresses announced to Internet: 2568581420
Equivalent to 153 /8s, 25 /16s and 113 /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: 144528
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101068
Total APNIC prefixes after maximum aggregation: 32670
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 101509
Unique aggregates announced from the APNIC address blocks: 41935
APNIC Region origin ASes present in the Internet Routing Table: 4709
APNIC Prefixes per ASN: 21.56
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 745
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: 241
Number of APNIC addresses announced to Internet: 703576192
Equivalent to 41 /8s, 239 /16s and 184 /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: 152154
Total ARIN prefixes after maximum aggregation: 77311
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153104
Unique aggregates announced from the ARIN address blocks: 68163
ARIN Region origin ASes present in the Internet Routing Table: 15181
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5753
ARIN Region transit ASes present in the Internet Routing Table: 1603
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: 1080973952
Equivalent to 64 /8s, 110 /16s and 90 /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: 103560
Total RIPE prefixes after maximum aggregation: 54807
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105624
Unique aggregates announced from the RIPE address blocks: 66918
RIPE Region origin ASes present in the Internet Routing Table: 16634
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8072
RIPE Region transit ASes present in the Internet Routing Table: 2671
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: 1661
Number of RIPE addresses announced to Internet: 631968388
Equivalent to 37 /8s, 171 /16s and 18 /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: 42412
Total LACNIC prefixes after maximum aggregation: 8297
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 44913
Unique aggregates announced from the LACNIC address blocks: 21886
LACNIC Region origin ASes present in the Internet Routing Table: 1604
LACNIC Prefixes per ASN: 28.00
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: 597
Number of LACNIC addresses announced to Internet: 111160232
Equivalent to 6 /8s, 160 /16s and 43 /24s
Percentage of available LACNIC address space announced: 66.3
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: 9397
Total AfriNIC prefixes after maximum aggregation: 2177
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 9845
Unique aggregates announced from the AfriNIC address blocks: 3297
AfriNIC Region origin ASes present in the Internet Routing Table: 549
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 40515328
Equivalent to 2 /8s, 106 /16s and 55 /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 2694 11117 1196 Korea Telecom (KIX)
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
7545 1688 301 86 TPG Internet Pty Ltd
4755 1594 385 153 TATA Communications formerly
9829 1300 1085 28 BSNL National Internet Backbo
9583 1175 89 513 Sify Limited
4808 1107 2054 313 CNCGROUP IP network: China169
7552 1104 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 967 291 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 3244 986 157 Windstream Communications Inc
18566 2091 382 181 Covad Communications
1785 1926 681 132 PaeTec Communications, Inc.
22773 1653 2911 121 Cox Communications, Inc.
20115 1648 1571 614 Charter Communications
4323 1572 1043 385 Time Warner Telecom
30036 1440 269 764 Mediacom Communications Corp
7018 1222 10013 819 AT&T WorldNet Services
7011 1189 318 683 Citizens Utilities
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 1718 544 16 Corbina telecom
2118 1288 97 17 EUnet/RELCOM Autonomous Syste
12479 755 721 93 Uni2 Autonomous System
34984 715 189 174 BILISIM TELEKOM
31148 686 37 9 FreeNet ISP
6830 685 2234 437 UPC Distribution Services
20940 660 212 517 Akamai Technologies European
8551 578 364 61 Bezeq International
3320 496 8443 408 Deutsche Telekom AG
13188 489 100 10 Educational Network
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 1973 343 206 TVCABLE BOGOTA
28573 1956 1211 54 NET Servicos de Comunicao S.A
6503 1529 418 63 AVANTEL, S.A.
8151 1488 3075 333 UniNet S.A. de C.V.
7303 1440 901 195 Telecom Argentina Stet-France
26615 896 732 33 Tim Brasil S.A.
27947 705 73 93 Telconet S.A
11172 645 91 74 Servicios Alestra S.A de C.V
3816 586 247 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 1276 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
15706 164 32 6 Sudatel Internet Exchange Aut
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 3244 986 157 Windstream Communications Inc
4766 2694 11117 1196 Korea Telecom (KIX)
18566 2091 382 181 Covad Communications
10620 1973 343 206 TVCABLE BOGOTA
28573 1956 1211 54 NET Servicos de Comunicao S.A
17974 1945 533 80 PT TELEKOMUNIKASI INDONESIA
1785 1926 681 132 PaeTec Communications, Inc.
8402 1718 544 16 Corbina telecom
7545 1688 301 86 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 3244 3087 Windstream Communications Inc
18566 2091 1910 Covad Communications
28573 1956 1902 NET Servicos de Comunicao S.A
17974 1945 1865 PT TELEKOMUNIKASI INDONESIA
1785 1926 1794 PaeTec Communications, Inc.
10620 1973 1767 TVCABLE BOGOTA
8402 1718 1702 Corbina telecom
7545 1688 1602 TPG Internet Pty Ltd
22773 1653 1532 Cox Communications, Inc.
4766 2694 1498 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 /14:832 /15:1511 /16:12291 /17:6337 /18:10730
/19:20833 /20:29577 /21:31284 /22:40911 /23:38845 /24:217420
/25:1236 /26:1465 /27:864 /28:168 /29:66 /30:19
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3244 Windstream Communications Inc
18566 2040 2091 Covad Communications
6389 1874 3400 bellsouth.net, inc.
8402 1413 1718 Corbina telecom
30036 1379 1440 Mediacom Communications Corp
11492 1152 1189 Cable One
22773 1085 1653 Cox Communications, Inc.
6503 1062 1529 AVANTEL, S.A.
8452 1041 1276 TEDATA
1785 1037 1926 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 2:746 3:1 4:13 5:62 6:3
8:431 12:2014 13:1 14:636 15:12 16:3
17:5 20:24 23:185 24:1782 27:1310 31:992
32:56 33:2 34:2 36:9 37:584 38:815
39:1 40:127 41:3166 42:139 44:3 46:1448
47:2 49:415 50:560 52:13 54:12 55:7
56:1 57:34 58:976 59:500 60:259 61:1228
62:999 63:2037 64:4251 65:2252 66:4464 67:2023
68:1156 69:3192 70:983 71:506 72:1830 74:2604
75:473 76:330 77:953 78:961 79:493 80:1220
81:945 82:652 83:525 84:494 85:1193 86:421
87:933 88:330 89:1720 90:298 91:4963 92:568
93:1395 94:1591 95:1233 96:374 97:317 98:907
99:39 100:17 101:253 103:1213 106:103 107:188
108:345 109:1404 110:785 111:929 112:419 113:629
114:640 115:824 116:951 117:731 118:899 119:1235
120:348 121:693 122:1672 123:1098 124:1398 125:1256
128:564 129:198 130:252 131:634 132:289 133:22
134:244 135:61 136:215 137:240 138:334 139:185
140:493 141:253 142:437 143:373 144:533 145:76
146:510 147:290 148:772 149:314 150:163 151:176
152:473 153:175 154:17 155:437 156:225 157:381
158:190 159:617 160:343 161:269 162:352 163:192
164:643 165:413 166:586 167:475 168:911 169:127
170:887 171:137 172:5 173:1775 174:638 175:417
176:546 177:841 178:1511 180:1264 181:98 182:1021
183:230 184:521 185:1 186:2380 187:1136 188:1349
189:1857 190:5644 192:6012 193:5536 194:4543 195:3422
196:1222 197:161 198:3672 199:4799 200:5917 201:1972
202:8673 203:8581 204:4337 205:2540 206:2811 207:2798
208:4046 209:3611 210:2776 211:1553 212:2035 213:1925
214:877 215:83 216:5099 217:1562 218:552 219:311
220:1243 221:571 222:316 223:354
End of report