Routing Table Report 04:00 +10GMT Fri 02 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 461866
Prefixes after maximum aggregation: 186897
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228076
Total ASes present in the Internet Routing Table: 44619
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 34915
Origin ASes announcing only one prefix: 16199
Transit ASes present in the Internet Routing Table: 5887
Transit-only ASes present in the Internet Routing Table: 157
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3760
Unregistered ASNs in the Routing Table: 1438
Number of 32-bit ASNs allocated by the RIRs: 4918
Number of 32-bit ASNs visible in the Routing Table: 3817
Prefixes from 32-bit ASNs in the Routing Table: 11487
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 266
Number of addresses announced to Internet: 2631359436
Equivalent to 156 /8s, 215 /16s and 91 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.8
Total number of prefixes smaller than registry allocations: 162201
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111282
Total APNIC prefixes after maximum aggregation: 33923
APNIC Deaggregation factor: 3.28
Prefixes being announced from the APNIC address blocks: 113035
Unique aggregates announced from the APNIC address blocks: 46007
APNIC Region origin ASes present in the Internet Routing Table: 4867
APNIC Prefixes per ASN: 23.22
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 823
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: 621
Number of APNIC addresses announced to Internet: 725707744
Equivalent to 43 /8s, 65 /16s and 107 /24s
Percentage of available APNIC address space announced: 84.8
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: 159979
Total ARIN prefixes after maximum aggregation: 80614
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160582
Unique aggregates announced from the ARIN address blocks: 74170
ARIN Region origin ASes present in the Internet Routing Table: 15788
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5989
ARIN Region transit ASes present in the Internet Routing Table: 1647
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: 19
Number of ARIN addresses announced to Internet: 1068135232
Equivalent to 63 /8s, 170 /16s and 115 /24s
Percentage of available ARIN address space announced: 56.5
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: 118196
Total RIPE prefixes after maximum aggregation: 60267
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121974
Unique aggregates announced from the RIPE address blocks: 78290
RIPE Region origin ASes present in the Internet Routing Table: 17326
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8217
RIPE Region transit ASes present in the Internet Routing Table: 2829
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2380
Number of RIPE addresses announced to Internet: 656912804
Equivalent to 39 /8s, 39 /16s and 177 /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, 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: 49252
Total LACNIC prefixes after maximum aggregation: 9510
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 53844
Unique aggregates announced from the LACNIC address blocks: 25413
LACNIC Region origin ASes present in the Internet Routing Table: 1990
LACNIC Prefixes per ASN: 27.06
LACNIC Region origin ASes announcing only one prefix: 581
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 791
Number of LACNIC addresses announced to Internet: 133668360
Equivalent to 7 /8s, 247 /16s and 158 /24s
Percentage of available LACNIC address space announced: 79.7
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: 11581
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12165
Unique aggregates announced from the AfriNIC address blocks: 3948
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 18.83
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46604288
Equivalent to 2 /8s, 199 /16s and 32 /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 2918 11561 917 Korea Telecom (KIX)
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2043 320 111 TPG Internet Pty Ltd
4755 1780 393 199 TATA Communications formerly
9829 1526 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1174 2153 339 CNCGROUP IP network: China169
9498 1172 309 71 BHARTI Airtel Ltd.
7552 1131 1080 13 Vietel Corporation
24560 1087 394 164 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 2982 3689 64 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
20115 1671 1623 622 Charter Communications
4323 1615 1101 403 Time Warner Telecom
701 1524 11120 801 UUNET Technologies, Inc.
30036 1346 304 649 Mediacom Communications Corp
7018 1317 11037 830 AT&T WorldNet Services
11492 1221 218 363 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 1630 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1155 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 954 334 742 Akamai Technologies European
6830 848 2371 431 UPC Distribution Services
13188 840 98 78 Educational Network
8551 780 370 45 Bezeq International
12479 677 794 55 Uni2 Autonomous System
9198 605 343 21 Kazakhtelecom Data Network Ad
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 2959 1591 110 NET Servicos de Comunicao S.A
10620 2642 420 227 TVCABLE BOGOTA
7303 1730 1155 219 Telecom Argentina Stet-France
8151 1276 2756 389 UniNet S.A. de C.V.
18881 1267 844 20 Global Village Telecom
27947 835 94 90 Telconet S.A
6503 763 434 63 AVANTEL, S.A.
11830 749 364 15 Instituto Costarricense de El
3816 725 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia 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
36998 1851 112 5 MOBITEL
24863 875 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 290 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 209 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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 2982 3689 64 bellsouth.net, inc.
28573 2959 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 917 Korea Telecom (KIX)
17974 2651 871 92 PT TELEKOMUNIKASI INDONESIA
10620 2642 420 227 TVCABLE BOGOTA
18566 2065 382 184 Covad Communications
7545 2043 320 111 TPG Internet Pty Ltd
1785 2004 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
36998 1851 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
28573 2959 2849 NET Servicos de Comunicao S.A
17974 2651 2559 PT TELEKOMUNIKASI INDONESIA
10620 2642 2415 TVCABLE BOGOTA
4766 2918 2001 Korea Telecom (KIX)
7545 2043 1932 TPG Internet Pty Ltd
18566 2065 1881 Covad Communications
1785 2004 1880 PaeTec Communications, Inc.
22773 2001 1878 Cox Communications, Inc.
36998 1851 1846 MOBITEL
8402 1630 1614 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
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
30621 UNALLOCATED 12.151.74.0/23 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
128.0.0.0/24 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
62.182.96.0/23 15830 TELECITY London
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
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 /10:30 /11:92 /12:249
/13:479 /14:903 /15:1602 /16:12740 /17:6644 /18:11081
/19:22515 /20:32128 /21:34652 /22:48624 /23:42658 /24:243513
/25:1288 /26:1643 /27:844 /28:44 /29:74 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1818 1851 MOBITEL
6389 1715 2982 bellsouth.net, inc.
8402 1333 1630 Corbina telecom
22773 1303 2001 Cox Communications, Inc.
30036 1209 1346 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1078 2004 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 985 2642 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:706 3:3 4:19 5:899 6:17
8:580 12:1925 13:2 14:871 15:11 16:3
17:10 18:19 20:17 23:297 24:1770 27:1527
31:1338 32:45 33:2 34:5 36:71 37:1848
38:890 39:2 40:174 41:3295 42:249 44:8
46:1942 47:2 49:650 50:836 52:12 54:37
55:6 57:26 58:1165 59:614 60:332 61:1499
62:1176 63:2007 64:4354 65:2146 66:4188 67:2019
68:1093 69:3286 70:800 71:490 72:1914 74:2508
75:324 76:306 77:1124 78:1059 79:610 80:1292
81:1015 82:630 83:584 84:576 85:1237 86:466
87:1023 88:533 89:1799 90:154 91:5519 92:633
93:1688 94:1906 95:1633 96:591 97:344 98:1026
99:44 100:29 101:593 103:3073 105:523 106:139
107:208 108:520 109:1857 110:945 111:1072 112:562
113:816 114:700 115:1094 116:957 117:804 118:1142
119:1295 120:364 121:848 122:1808 123:1235 124:1369
125:1395 128:631 129:222 130:309 131:669 132:349
133:160 134:269 135:72 136:240 137:243 138:343
139:190 140:212 141:318 142:531 143:401 144:512
145:91 146:526 147:410 148:654 149:351 150:153
151:553 152:414 153:190 154:28 155:417 156:274
157:401 158:276 159:745 160:349 161:453 162:513
163:222 164:582 165:513 166:254 167:598 168:1019
169:126 170:1062 171:186 172:23 173:1584 174:556
175:499 176:1153 177:2148 178:1884 179:71 180:1502
181:591 182:1290 183:420 184:674 185:702 186:2357
187:1380 188:1886 189:1289 190:6791 192:6851 193:5620
194:4707 195:3587 196:1308 197:982 198:4560 199:5360
200:5960 201:2404 202:8828 203:8896 204:4513 205:2595
206:2825 207:2894 208:4012 209:3599 210:2939 211:1531
212:2243 213:2019 214:908 215:99 216:5258 217:1627
218:618 219:332 220:1278 221:552 222:319 223:461
End of report