Routing Table Report 04:00 +10GMT Tue 17 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 466631
Prefixes after maximum aggregation: 188400
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 231924
Total ASes present in the Internet Routing Table: 44982
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35150
Origin ASes announcing only one prefix: 16268
Transit ASes present in the Internet Routing Table: 5904
Transit-only ASes present in the Internet Routing Table: 162
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5969
Unregistered ASNs in the Routing Table: 1994
Number of 32-bit ASNs allocated by the RIRs: 5040
Number of 32-bit ASNs visible in the Routing Table: 3928
Prefixes from 32-bit ASNs in the Routing Table: 12149
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 431
Number of addresses announced to Internet: 2642746900
Equivalent to 157 /8s, 133 /16s and 30 /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: 163368
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110758
Total APNIC prefixes after maximum aggregation: 33607
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112739
Unique aggregates announced from the APNIC address blocks: 46661
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.15
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 835
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: 673
Number of APNIC addresses announced to Internet: 727986176
Equivalent to 43 /8s, 100 /16s and 48 /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: 161856
Total ARIN prefixes after maximum aggregation: 81252
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162473
Unique aggregates announced from the ARIN address blocks: 75704
ARIN Region origin ASes present in the Internet Routing Table: 15880
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6023
ARIN Region transit ASes present in the Internet Routing Table: 1658
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: 1071037440
Equivalent to 63 /8s, 214 /16s and 188 /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: 118603
Total RIPE prefixes after maximum aggregation: 61147
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122388
Unique aggregates announced from the RIPE address blocks: 79188
RIPE Region origin ASes present in the Internet Routing Table: 17426
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8269
RIPE Region transit ASes present in the Internet Routing Table: 2802
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2391
Number of RIPE addresses announced to Internet: 657135844
Equivalent to 39 /8s, 43 /16s and 24 /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: 51393
Total LACNIC prefixes after maximum aggregation: 9763
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 56242
Unique aggregates announced from the LACNIC address blocks: 25973
LACNIC Region origin ASes present in the Internet Routing Table: 2015
LACNIC Prefixes per ASN: 27.91
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 377
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: 837
Number of LACNIC addresses announced to Internet: 139001136
Equivalent to 8 /8s, 72 /16s and 253 /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: 11751
Total AfriNIC prefixes after maximum aggregation: 2567
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12358
Unique aggregates announced from the AfriNIC address blocks: 4005
AfriNIC Region origin ASes present in the Internet Routing Table: 655
AfriNIC Prefixes per ASN: 18.87
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 140
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: 46657280
Equivalent to 2 /8s, 199 /16s and 239 /24s
Percentage of available AfriNIC address space announced: 46.3
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 2677 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2071 320 110 TPG Internet Pty Ltd
4755 1774 392 191 TATA Communications formerly
9829 1549 1237 45 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1187 309 71 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
4808 1160 2128 341 CNCGROUP IP network: China169
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 3068 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2012 679 125 PaeTec Communications, Inc.
20115 1678 1649 629 Charter Communications
4323 1618 1103 411 Time Warner Telecom
701 1531 11136 798 UUNET Technologies, Inc.
30036 1352 305 630 Mediacom Communications Corp
7018 1315 11261 827 AT&T WorldNet Services
11492 1222 218 365 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 1766 544 16 Corbina telecom
34984 1330 244 220 BILISIM TELEKOM
20940 1024 375 789 Akamai Technologies European
31148 985 43 20 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 Educational Network
8551 750 370 41 Bezeq International
12479 673 797 53 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 3252 1724 95 NET Servicos de Comunicao S.A
10620 2559 418 246 TVCABLE BOGOTA
7303 1708 1133 225 Telecom Argentina Stet-France
18881 1430 844 20 Global Village Telecom
8151 1286 2756 394 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 94 92 Telconet S.A
6503 813 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 738 376 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 1861 112 5 MOBITEL
24863 870 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 450 956 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 3252 1724 95 NET Servicos de Comunicao S.A
6389 3068 3689 62 bellsouth.net, inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2677 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2559 418 246 TVCABLE BOGOTA
7545 2071 320 110 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2012 679 125 PaeTec Communications, Inc.
36998 1861 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 3068 3006 bellsouth.net, inc.
17974 2677 2586 PT TELEKOMUNIKASI INDONESIA
10620 2559 2313 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2071 1961 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
1785 2012 1887 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1861 1856 MOBITEL
8402 1766 1750 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 /16:12784 /17:6697 /18:11175
/19:22949 /20:32542 /21:35112 /22:49534 /23:42957 /24:246983
/25:843 /26:992 /27:484 /28:48 /29:78 /30:19
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 3068 bellsouth.net, inc.
8402 1485 1766 Corbina telecom
22773 1328 2041 Cox Communications, Inc.
30036 1212 1352 Mediacom Communications Corp
11492 1183 1222 Cable One
1785 1083 2012 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
7011 932 1175 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:807 2:857 3:3 4:17 5:946 6:19
8:608 12:1889 13:3 14:869 15:11 16:3
17:11 18:19 20:21 23:392 24:1743 27:1566
31:1434 32:45 33:2 34:5 36:80 37:1837
38:904 39:3 40:179 41:3326 42:253 44:13
46:1976 47:5 49:670 50:827 52:12 54:37
55:6 57:26 58:1165 59:601 60:340 61:1421
62:1191 63:1985 64:4562 65:2367 66:4164 67:2076
68:1088 69:3296 70:865 71:496 72:2005 74:2560
75:327 76:303 77:1175 78:1057 79:623 80:1325
81:1031 82:636 83:580 84:581 85:1273 86:484
87:1046 88:557 89:1802 90:158 91:5663 92:607
93:1640 94:2023 95:1570 96:517 97:342 98:1039
99:44 100:31 101:606 103:3310 105:519 106:142
107:208 108:506 109:1880 110:961 111:1123 112:570
113:791 114:729 115:998 116:978 117:820 118:1158
119:1283 120:365 121:740 122:1868 123:1251 124:1382
125:1423 128:618 129:232 130:321 131:672 132:351
133:161 134:412 135:67 136:271 137:268 138:348
139:180 140:198 141:327 142:553 143:408 144:499
145:98 146:520 147:489 148:683 149:357 150:154
151:601 152:413 153:195 154:46 155:483 156:274
157:419 158:285 159:761 160:352 161:450 162:662
163:229 164:618 165:569 166:259 167:609 168:1047
169:125 170:1085 171:194 172:25 173:1605 174:516
175:498 176:1195 177:2254 178:1891 179:129 180:1532
181:720 182:1270 183:462 184:627 185:841 186:2477
187:1459 188:1822 189:1313 190:7097 192:6931 193:5655
194:4066 195:3329 196:1359 197:1009 198:4661 199:5438
200:6019 201:2531 202:8946 203:8916 204:4518 205:2619
206:2846 207:2890 208:4005 209:3596 210:2938 211:1552
212:2289 213:2051 214:929 215:99 216:5294 217:1650
218:623 219:313 220:1278 221:558 222:326 223:502
End of report