Routing Table Report 04:00 +10GMT Wed 31 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 461262
Prefixes after maximum aggregation: 186842
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 228377
Total ASes present in the Internet Routing Table: 44607
Prefixes per ASN: 10.34
Origin-only ASes present in the Internet Routing Table: 34905
Origin ASes announcing only one prefix: 16184
Transit ASes present in the Internet Routing Table: 5888
Transit-only ASes present in the Internet Routing Table: 153
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: 3634
Unregistered ASNs in the Routing Table: 1392
Number of 32-bit ASNs allocated by the RIRs: 4909
Number of 32-bit ASNs visible in the Routing Table: 3814
Prefixes from 32-bit ASNs in the Routing Table: 11477
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 266
Number of addresses announced to Internet: 2630539500
Equivalent to 156 /8s, 202 /16s and 216 /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: 161794
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110757
Total APNIC prefixes after maximum aggregation: 33908
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 112504
Unique aggregates announced from the APNIC address blocks: 46035
APNIC Region origin ASes present in the Internet Routing Table: 4868
APNIC Prefixes per ASN: 23.11
APNIC Region origin ASes announcing only one prefix: 1218
APNIC Region transit ASes present in the Internet Routing Table: 821
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: 619
Number of APNIC addresses announced to Internet: 725365728
Equivalent to 43 /8s, 60 /16s and 51 /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: 159812
Total ARIN prefixes after maximum aggregation: 80530
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160420
Unique aggregates announced from the ARIN address blocks: 74162
ARIN Region origin ASes present in the Internet Routing Table: 15791
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5985
ARIN Region transit ASes present in the Internet Routing Table: 1646
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: 1068152128
Equivalent to 63 /8s, 170 /16s and 181 /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: 118105
Total RIPE prefixes after maximum aggregation: 60307
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121903
Unique aggregates announced from the RIPE address blocks: 78486
RIPE Region origin ASes present in the Internet Routing Table: 17319
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8209
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: 2378
Number of RIPE addresses announced to Internet: 656316068
Equivalent to 39 /8s, 30 /16s and 150 /24s
Percentage of available RIPE address space announced: 95.4
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: 49415
Total LACNIC prefixes after maximum aggregation: 9508
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 53975
Unique aggregates announced from the LACNIC address blocks: 25520
LACNIC Region origin ASes present in the Internet Routing Table: 1991
LACNIC Prefixes per ASN: 27.11
LACNIC Region origin ASes announcing only one prefix: 580
LACNIC Region transit ASes present in the Internet Routing Table: 367
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: 792
Number of LACNIC addresses announced to Internet: 133835048
Equivalent to 7 /8s, 250 /16s and 41 /24s
Percentage of available LACNIC address space announced: 79.8
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: 11609
Total AfriNIC prefixes after maximum aggregation: 2549
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12194
Unique aggregates announced from the AfriNIC address blocks: 3926
AfriNIC Region origin ASes present in the Internet Routing Table: 644
AfriNIC Prefixes per ASN: 18.93
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 46525440
Equivalent to 2 /8s, 197 /16s and 236 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2918 11561 917 Korea Telecom (KIX)
17974 2644 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2037 320 109 TPG Internet Pty Ltd
4755 1764 391 192 TATA Communications formerly
9829 1536 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1174 2153 339 CNCGROUP IP network: China169
9498 1169 309 71 BHARTI Airtel Ltd.
7552 1143 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 2983 3690 65 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 2001 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
20115 1671 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1524 11120 801 UUNET Technologies, Inc.
30036 1342 302 661 Mediacom Communications Corp
7018 1317 11037 829 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 1647 544 16 Corbina telecom
34984 1299 244 221 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 946 330 743 Akamai Technologies European
13188 839 98 78 Educational Network
6830 821 2371 431 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 687 793 56 Uni2 Autonomous System
9198 606 343 22 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 2944 1591 110 NET Servicos de Comunicao S.A
10620 2640 420 226 TVCABLE BOGOTA
7303 1730 1155 219 Telecom Argentina Stet-France
8151 1271 2751 388 UniNet S.A. de C.V.
18881 1243 844 20 Global Village Telecom
27947 833 94 90 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
11830 748 364 15 Instituto Costarricense de El
3816 723 305 87 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 1815 112 5 MOBITEL
24863 875 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 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 2983 3690 65 bellsouth.net, inc.
28573 2944 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 917 Korea Telecom (KIX)
17974 2644 871 92 PT TELEKOMUNIKASI INDONESIA
10620 2640 420 226 TVCABLE BOGOTA
18566 2066 382 184 Covad Communications
7545 2037 320 109 TPG Internet Pty Ltd
1785 2001 679 124 PaeTec Communications, Inc.
22773 2001 2927 123 Cox Communications, Inc.
36998 1815 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 2944 2834 NET Servicos de Comunicao S.A
17974 2644 2552 PT TELEKOMUNIKASI INDONESIA
10620 2640 2414 TVCABLE BOGOTA
4766 2918 2001 Korea Telecom (KIX)
7545 2037 1928 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
22773 2001 1878 Cox Communications, Inc.
1785 2001 1877 PaeTec Communications, Inc.
36998 1815 1810 MOBITEL
8402 1647 1631 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
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.
64.185.231.0/24 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
/13:478 /14:904 /15:1602 /16:12739 /17:6658 /18:11088
/19:22528 /20:32130 /21:34704 /22:48537 /23:42610 /24:243087
/25:1272 /26:1527 /27:848 /28:44 /29:74 /30:18
/31:0 /32:16
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1780 1815 MOBITEL
6389 1715 2983 bellsouth.net, inc.
8402 1342 1647 Corbina telecom
22773 1303 2001 Cox Communications, Inc.
30036 1205 1342 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1075 2001 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 984 2640 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:825 2:711 3:3 4:19 5:840 6:17
8:575 12:1909 13:2 14:866 15:11 16:3
17:10 18:12 20:17 23:295 24:1770 27:1515
31:1306 32:45 33:2 34:5 36:67 37:1848
38:894 39:2 40:174 41:3285 42:248 44:8
46:1945 47:2 49:678 50:813 52:12 54:37
55:6 57:26 58:1165 59:583 60:331 61:1427
62:1179 63:2008 64:4362 65:2147 66:4187 67:2021
68:1094 69:3283 70:798 71:489 72:1916 74:2502
75:324 76:305 77:1120 78:1058 79:610 80:1286
81:1014 82:632 83:584 84:576 85:1209 86:469
87:1027 88:543 89:1798 90:153 91:5527 92:634
93:1682 94:1913 95:1633 96:594 97:344 98:1027
99:43 100:30 101:594 103:3050 105:522 106:141
107:208 108:519 109:1849 110:946 111:1072 112:563
113:818 114:703 115:1016 116:957 117:804 118:1140
119:1306 120:371 121:741 122:1806 123:1247 124:1370
125:1391 128:639 129:222 130:309 131:668 132:361
133:160 134:268 135:72 136:234 137:243 138:344
139:189 140:212 141:321 142:531 143:394 144:513
145:90 146:524 147:403 148:661 149:350 150:152
151:552 152:409 153:190 154:28 155:413 156:269
157:394 158:276 159:743 160:349 161:453 162:506
163:223 164:582 165:508 166:253 167:598 168:1032
169:126 170:1064 171:185 172:23 173:1580 174:554
175:500 176:1157 177:2165 178:1890 179:76 180:1496
181:579 182:1290 183:422 184:672 185:700 186:2339
187:1369 188:1872 189:1290 190:6778 192:6842 193:5704
194:4712 195:3588 196:1350 197:945 198:4559 199:5365
200:5953 201:2442 202:8831 203:8884 204:4511 205:2592
206:2825 207:2895 208:4016 209:3599 210:2931 211:1528
212:2230 213:2016 214:915 215:99 216:5257 217:1620
218:618 219:313 220:1284 221:552 222:320 223:462
End of report