Routing Table Report 04:00 +10GMT Mon 30 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468400
Prefixes after maximum aggregation: 188882
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232292
Total ASes present in the Internet Routing Table: 45074
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35207
Origin ASes announcing only one prefix: 16268
Transit ASes present in the Internet Routing Table: 5906
Transit-only ASes present in the Internet Routing Table: 165
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 287
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 5123
Number of 32-bit ASNs visible in the Routing Table: 3961
Prefixes from 32-bit ASNs in the Routing Table: 12134
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 601
Number of addresses announced to Internet: 2645480084
Equivalent to 157 /8s, 174 /16s and 210 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 163934
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111254
Total APNIC prefixes after maximum aggregation: 33780
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113289
Unique aggregates announced from the APNIC address blocks: 46749
APNIC Region origin ASes present in the Internet Routing Table: 4873
APNIC Prefixes per ASN: 23.25
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 830
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 693
Number of APNIC addresses announced to Internet: 727836416
Equivalent to 43 /8s, 97 /16s and 231 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 162789
Total ARIN prefixes after maximum aggregation: 81474
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163301
Unique aggregates announced from the ARIN address blocks: 75919
ARIN Region origin ASes present in the Internet Routing Table: 15895
ARIN Prefixes per ASN: 10.27
ARIN Region origin ASes announcing only one prefix: 6021
ARIN Region transit ASes present in the Internet Routing Table: 1654
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 22
Number of ARIN addresses announced to Internet: 1072996224
Equivalent to 63 /8s, 244 /16s and 159 /24s
Percentage of available ARIN address space announced: 56.8
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, 62464-63487, 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: 118713
Total RIPE prefixes after maximum aggregation: 61193
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122313
Unique aggregates announced from the RIPE address blocks: 78867
RIPE Region origin ASes present in the Internet Routing Table: 17444
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8270
RIPE Region transit ASes present in the Internet Routing Table: 2809
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2404
Number of RIPE addresses announced to Internet: 656957924
Equivalent to 39 /8s, 40 /16s and 97 /24s
Percentage of available RIPE address space announced: 95.5
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, 61952-62463, 196608-200191
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: 51809
Total LACNIC prefixes after maximum aggregation: 9818
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 56713
Unique aggregates announced from the LACNIC address blocks: 26256
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 382
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 836
Number of LACNIC addresses announced to Internet: 139363888
Equivalent to 8 /8s, 78 /16s and 134 /24s
Percentage of available LACNIC address space announced: 83.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11566
Total AfriNIC prefixes after maximum aggregation: 2541
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12183
Unique aggregates announced from the AfriNIC address blocks: 3983
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.69
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 137
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46724864
Equivalent to 2 /8s, 200 /16s and 247 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2942 11562 943 Korea Telecom (KIX)
17974 2699 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2078 320 110 TPG Internet Pty Ltd
4755 1774 391 187 TATA Communications formerly
9829 1532 1236 41 BSNL National Internet Backbo
9583 1233 93 506 Sify Limited
7552 1219 1178 18 Vietel Corporation
9498 1195 309 72 BHARTI Airtel Ltd.
4808 1191 2131 347 CNCGROUP IP network: China169
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
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 3061 3689 59 BellSouth.net Inc.
18566 2066 382 184 Covad Communications
22773 2038 2933 124 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1616 1103 417 Time Warner Telecom
701 1523 11149 795 UUNET Technologies, Inc.
30036 1348 304 619 Mediacom Communications Corp
7018 1304 11244 820 AT&T WorldNet Services
6983 1286 772 579 ITC^Deltacom
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 1812 544 17 OJSC "Vimpelcom"
34984 1363 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1033 377 795 Akamai Technologies European
31148 989 43 19 FreeNet ISP
6830 891 2365 425 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 747 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 509 8415 405 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
28573 3359 1732 94 NET Servicos de Comunicao S.A
10620 2584 421 246 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1441 844 20 Global Village Telecom
8151 1337 2801 414 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 91 Telconet S.A
6503 833 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 770 376 21 Telefonica Del Peru
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
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 881 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 434 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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
28573 3359 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
4766 2942 11562 943 Korea Telecom (KIX)
17974 2699 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2584 421 246 TVCABLE BOGOTA
7545 2078 320 110 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
22773 2038 2933 124 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3061 3002 BellSouth.net Inc.
17974 2699 2608 PT TELEKOMUNIKASI INDONESIA
10620 2584 2338 TVCABLE BOGOTA
4766 2942 1999 Korea Telecom (KIX)
7545 2078 1968 TPG Internet Pty Ltd
22773 2038 1914 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1812 1795 OJSC "Vimpelcom"
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
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
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 12.45.103.0/24 209 Qwest
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /8:16 /9:11 /10:31 /11:92 /12:250
/13:479 /14:915 /15:1627 /16:12809 /17:6691 /18:11210
/19:22955 /20:32545 /21:35194 /22:49706 /23:43060 /24:248304
/25:885 /26:986 /27:474 /28:48 /29:78 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3061 BellSouth.net Inc.
8402 1533 1812 OJSC "Vimpelcom"
22773 1324 2038 Cox Communications, Inc.
30036 1206 1348 Mediacom Communications Corp
11492 1190 1231 Cable One
1785 1085 2019 PaeTec Communications, Inc.
6983 1026 1286 ITC^Deltacom
22561 963 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:851 2:860 3:3 4:17 5:975 6:19
8:611 12:1892 13:3 14:871 15:11 16:3
17:13 18:19 20:21 23:447 24:1728 27:1585
31:1479 32:45 33:2 34:5 36:80 37:1819
38:907 39:3 40:179 41:3235 42:251 44:13
46:2013 47:5 49:677 50:843 52:12 54:39
55:5 57:26 58:1164 59:611 60:345 61:1424
62:1183 63:1993 64:4550 65:2358 66:4182 67:2068
68:1086 69:3324 70:868 71:495 72:2007 74:2566
75:330 76:304 77:1167 78:1055 79:649 80:1331
81:1033 82:623 83:584 84:591 85:1278 86:455
87:999 88:552 89:1732 90:158 91:5650 92:612
93:1619 94:1974 95:1624 96:517 97:343 98:1042
99:43 100:31 101:610 103:3368 105:520 106:143
107:207 108:510 109:1885 110:969 111:1123 112:579
113:801 114:731 115:1012 116:990 117:819 118:1163
119:1297 120:371 121:738 122:1886 123:1250 124:1388
125:1423 128:616 129:321 130:321 131:650 132:347
133:161 134:542 135:67 136:272 137:267 138:349
139:181 140:182 141:325 142:550 143:406 144:501
145:100 146:513 147:403 148:702 149:353 150:158
151:596 152:411 153:197 154:48 155:485 156:281
157:421 158:285 159:768 160:348 161:451 162:716
163:229 164:634 165:544 166:258 167:622 168:1050
169:128 170:1078 171:202 172:25 173:1612 174:664
175:506 176:1216 177:2299 178:1897 179:145 180:1549
181:748 182:1302 183:462 184:657 185:897 186:2575
187:1450 188:1892 189:1332 190:7181 192:6961 193:5628
194:4074 195:3340 196:1319 197:991 198:4691 199:5474
200:6059 201:2551 202:9018 203:8917 204:4509 205:2629
206:2869 207:2900 208:4016 209:3627 210:2949 211:1571
212:2260 213:2002 214:904 215:99 216:5345 217:1666
218:623 219:323 220:1277 221:565 222:326 223:503
End of report
