Routing Table Report 04:00 +10GMT Fri 20 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467960
Prefixes after maximum aggregation: 188615
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232422
Total ASes present in the Internet Routing Table: 45031
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35163
Origin ASes announcing only one prefix: 16275
Transit ASes present in the Internet Routing Table: 5920
Transit-only ASes present in the Internet Routing Table: 166
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: 10721
Unregistered ASNs in the Routing Table: 2760
Number of 32-bit ASNs allocated by the RIRs: 5054
Number of 32-bit ASNs visible in the Routing Table: 3948
Prefixes from 32-bit ASNs in the Routing Table: 12257
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 485
Number of addresses announced to Internet: 2643928852
Equivalent to 157 /8s, 151 /16s and 39 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
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: 164008
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110913
Total APNIC prefixes after maximum aggregation: 33668
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112887
Unique aggregates announced from the APNIC address blocks: 46719
APNIC Region origin ASes present in the Internet Routing Table: 4873
APNIC Prefixes per ASN: 23.17
APNIC Region origin ASes announcing only one prefix: 1217
APNIC Region transit ASes present in the Internet Routing Table: 836
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 684
Number of APNIC addresses announced to Internet: 728266240
Equivalent to 43 /8s, 104 /16s and 118 /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: 162518
Total ARIN prefixes after maximum aggregation: 81378
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163116
Unique aggregates announced from the ARIN address blocks: 75834
ARIN Region origin ASes present in the Internet Routing Table: 15893
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6028
ARIN Region transit ASes present in the Internet Routing Table: 1662
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1071586048
Equivalent to 63 /8s, 223 /16s and 27 /24s
Percentage of available ARIN address space announced: 56.7
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: 118871
Total RIPE prefixes after maximum aggregation: 61155
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122714
Unique aggregates announced from the RIPE address blocks: 79341
RIPE Region origin ASes present in the Internet Routing Table: 17427
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8269
RIPE Region transit ASes present in the Internet Routing Table: 2810
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: 2396
Number of RIPE addresses announced to Internet: 657071332
Equivalent to 39 /8s, 42 /16s and 28 /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: 51546
Total LACNIC prefixes after maximum aggregation: 9784
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 56438
Unique aggregates announced from the LACNIC address blocks: 26103
LACNIC Region origin ASes present in the Internet Routing Table: 2018
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 379
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: 841
Number of LACNIC addresses announced to Internet: 139147824
Equivalent to 8 /8s, 75 /16s and 58 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11715
Total AfriNIC prefixes after maximum aggregation: 2556
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12320
Unique aggregates announced from the AfriNIC address blocks: 3995
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.87
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46658560
Equivalent to 2 /8s, 199 /16s and 244 /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 2923 11561 924 Korea Telecom (KIX)
17974 2672 903 90 PT TELEKOMUNIKASI INDONESIA
7545 2077 321 112 TPG Internet Pty Ltd
4755 1771 391 188 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
4808 1188 2133 348 CNCGROUP IP network: China169
9498 1187 309 71 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1089 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 3067 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
20115 1679 1650 627 Charter Communications
4323 1611 1103 409 Time Warner Telecom
701 1531 11152 796 UUNET Technologies, Inc.
30036 1349 304 632 Mediacom Communications Corp
7018 1315 11261 827 AT&T WorldNet Services
22561 1236 386 201 Digital Teleport, Inc
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 1749 544 16 Corbina telecom
34984 1361 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1038 382 800 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 747 369 48 Bezeq International
12479 677 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
34744 519 163 44 SC GVM SISTEM 2003 SRL
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 3279 1728 91 NET Servicos de Comunicao S.A
10620 2571 420 249 TVCABLE BOGOTA
7303 1712 1134 226 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1287 2784 387 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 94 Telconet S.A
6503 823 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 739 376 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 MOBITEL
24863 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 423 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29571 221 17 12 Ci Telecom Autonomous system
29975 191 667 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 3279 1728 91 NET Servicos de Comunicao S.A
6389 3067 3689 62 bellsouth.net, inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2672 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2571 420 249 TVCABLE BOGOTA
7545 2077 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2013 679 125 PaeTec Communications, Inc.
36998 1864 112 5 MOBITEL
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 3067 3005 bellsouth.net, inc.
17974 2672 2582 PT TELEKOMUNIKASI INDONESIA
10620 2571 2322 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2077 1965 TPG Internet Pty Ltd
22773 2043 1919 Cox Communications, Inc.
1785 2013 1888 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 MOBITEL
8402 1749 1733 Corbina telecom
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 /11:93 /12:250
/13:479 /14:916 /15:1625 /16:12804 /17:6703 /18:11163
/19:22992 /20:32546 /21:35125 /22:49667 /23:43001 /24:248064
/25:841 /26:992 /27:482 /28:48 /29:78 /30:19
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1829 1864 MOBITEL
6389 1712 3067 bellsouth.net, inc.
8402 1460 1749 Corbina telecom
22773 1329 2043 Cox Communications, Inc.
30036 1209 1349 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2013 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
22561 960 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:813 2:850 3:3 4:17 5:968 6:19
8:604 12:1896 13:3 14:870 15:11 16:3
17:12 18:19 20:21 23:405 24:1744 27:1573
31:1463 32:45 33:2 34:5 36:80 37:1837
38:908 39:3 40:179 41:3302 42:253 44:13
46:2004 47:6 49:671 50:845 52:12 54:39
55:7 57:26 58:1167 59:604 60:343 61:1417
62:1199 63:1987 64:4564 65:2360 66:4176 67:2082
68:1087 69:3300 70:865 71:495 72:2007 74:2555
75:330 76:303 77:1176 78:1063 79:621 80:1334
81:1031 82:633 83:581 84:583 85:1265 86:488
87:1046 88:554 89:1805 90:158 91:5709 92:604
93:1638 94:2023 95:1579 96:518 97:342 98:1042
99:43 100:31 101:609 103:3312 105:519 106:142
107:208 108:506 109:1886 110:970 111:1123 112:573
113:798 114:729 115:1004 116:977 117:817 118:1156
119:1284 120:363 121:741 122:1875 123:1256 124:1387
125:1424 128:625 129:321 130:322 131:674 132:347
133:161 134:545 135:67 136:272 137:268 138:347
139:180 140:206 141:325 142:553 143:411 144:507
145:100 146:513 147:503 148:687 149:352 150:153
151:584 152:413 153:195 154:46 155:486 156:277
157:421 158:285 159:763 160:353 161:453 162:693
163:229 164:624 165:573 166:259 167:611 168:1047
169:127 170:1087 171:193 172:25 173:1606 174:663
175:499 176:1208 177:2301 178:1897 179:134 180:1523
181:734 182:1272 183:463 184:630 185:859 186:2536
187:1459 188:1905 189:1329 190:7099 192:6945 193:5660
194:4064 195:3336 196:1348 197:1005 198:4677 199:5440
200:6024 201:2536 202:8983 203:8924 204:4520 205:2635
206:2844 207:2892 208:4005 209:3598 210:2943 211:1554
212:2290 213:2050 214:939 215:99 216:5300 217:1655
218:622 219:313 220:1278 221:559 222:326 223:502
End of report