Routing Table Report 04:00 +10GMT Sun 28 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460295
Prefixes after maximum aggregation: 186813
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228508
Total ASes present in the Internet Routing Table: 44588
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34866
Origin ASes announcing only one prefix: 16198
Transit ASes present in the Internet Routing Table: 5908
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 3294
Unregistered ASNs in the Routing Table: 1312
Number of 32-bit ASNs allocated by the RIRs: 4902
Number of 32-bit ASNs visible in the Routing Table: 3814
Prefixes from 32-bit ASNs in the Routing Table: 11434
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 262
Number of addresses announced to Internet: 2629980652
Equivalent to 156 /8s, 194 /16s and 81 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 161449
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110261
Total APNIC prefixes after maximum aggregation: 33876
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111992
Unique aggregates announced from the APNIC address blocks: 46008
APNIC Region origin ASes present in the Internet Routing Table: 4860
APNIC Prefixes per ASN: 23.04
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 826
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: 618
Number of APNIC addresses announced to Internet: 725120736
Equivalent to 43 /8s, 56 /16s and 118 /24s
Percentage of available APNIC address space announced: 84.7
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: 159737
Total ARIN prefixes after maximum aggregation: 80489
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160314
Unique aggregates announced from the ARIN address blocks: 74134
ARIN Region origin ASes present in the Internet Routing Table: 15792
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5990
ARIN Region transit ASes present in the Internet Routing Table: 1653
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: 1068091968
Equivalent to 63 /8s, 169 /16s and 202 /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: 117939
Total RIPE prefixes after maximum aggregation: 60339
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 121750
Unique aggregates announced from the RIPE address blocks: 78756
RIPE Region origin ASes present in the Internet Routing Table: 17311
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8217
RIPE Region transit ASes present in the Internet Routing Table: 2830
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: 656107172
Equivalent to 39 /8s, 27 /16s and 102 /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: 49226
Total LACNIC prefixes after maximum aggregation: 9518
LACNIC Deaggregation factor: 5.17
Prefixes being announced from the LACNIC address blocks: 53778
Unique aggregates announced from the LACNIC address blocks: 25436
LACNIC Region origin ASes present in the Internet Routing Table: 1990
LACNIC Prefixes per ASN: 27.02
LACNIC Region origin ASes announcing only one prefix: 581
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: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 793
Number of LACNIC addresses announced to Internet: 133790760
Equivalent to 7 /8s, 249 /16s and 124 /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: 11611
Total AfriNIC prefixes after maximum aggregation: 2551
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12199
Unique aggregates announced from the AfriNIC address blocks: 3930
AfriNIC Region origin ASes present in the Internet Routing Table: 644
AfriNIC Prefixes per ASN: 18.94
AfriNIC Region origin ASes announcing only one prefix: 189
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: 46543872
Equivalent to 2 /8s, 198 /16s and 52 /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 2916 11561 920 Korea Telecom (KIX)
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2032 320 108 TPG Internet Pty Ltd
4755 1764 391 193 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1224 92 505 Sify Limited
4808 1173 2153 339 CNCGROUP IP network: China169
9498 1169 309 71 BHARTI Airtel Ltd.
7552 1141 1080 13 Vietel Corporation
24560 1086 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 3690 65 bellsouth.net, inc.
18566 2066 382 184 Covad Communications
1785 2000 679 124 PaeTec Communications, Inc.
22773 2000 2927 123 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1524 11120 801 UUNET Technologies, Inc.
30036 1341 302 660 Mediacom Communications Corp
7018 1313 11036 827 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 1555 544 16 Corbina telecom
34984 1296 244 222 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 977 43 19 FreeNet ISP
20940 941 327 740 Akamai Technologies European
13188 838 98 81 Educational Network
6830 831 2372 441 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 685 793 56 Uni2 Autonomous System
34744 602 159 114 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 2947 1591 110 NET Servicos de Comunicao S.A
10620 2639 420 226 TVCABLE BOGOTA
7303 1725 1155 215 Telecom Argentina Stet-France
8151 1273 2750 387 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 832 94 90 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 722 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 621 88 65 Servicios Alestra S.A de C.V
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 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 437 956 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 2982 3690 65 bellsouth.net, inc.
28573 2947 1591 110 NET Servicos de Comunicao S.A
4766 2916 11561 920 Korea Telecom (KIX)
10620 2639 420 226 TVCABLE BOGOTA
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2066 382 184 Covad Communications
7545 2032 320 108 TPG Internet Pty Ltd
1785 2000 679 124 PaeTec Communications, Inc.
22773 2000 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 2947 2837 NET Servicos de Comunicao S.A
17974 2618 2526 PT TELEKOMUNIKASI INDONESIA
10620 2639 2413 TVCABLE BOGOTA
4766 2916 1996 Korea Telecom (KIX)
7545 2032 1924 TPG Internet Pty Ltd
18566 2066 1882 Covad Communications
22773 2000 1877 Cox Communications, Inc.
1785 2000 1876 PaeTec Communications, Inc.
36998 1815 1810 MOBITEL
4755 1764 1571 TATA Communications formerly
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 /12:250
/13:478 /14:906 /15:1602 /16:12730 /17:6651 /18:11077
/19:22512 /20:32105 /21:34660 /22:48486 /23:42509 /24:242382
/25:1271 /26:1528 /27:848 /28:44 /29:71 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1780 1815 MOBITEL
6389 1714 2982 bellsouth.net, inc.
22773 1303 2000 Cox Communications, Inc.
8402 1246 1555 Corbina telecom
30036 1205 1341 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1074 2000 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 984 2639 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:826 2:711 3:3 4:19 5:843 6:17
8:572 12:1911 13:2 14:862 15:11 16:3
17:10 18:3 20:17 23:296 24:1769 27:1508
31:1302 32:45 33:2 34:5 36:60 37:1849
38:889 39:2 40:175 41:3285 42:248 44:8
46:1946 47:2 49:672 50:818 52:12 54:36
55:8 57:26 58:1161 59:582 60:331 61:1427
62:1181 63:2008 64:4361 65:2150 66:4182 67:2022
68:1097 69:3283 70:798 71:490 72:1917 74:2499
75:324 76:305 77:1117 78:999 79:610 80:1286
81:1014 82:634 83:584 84:581 85:1204 86:468
87:1028 88:543 89:1798 90:150 91:5526 92:623
93:1745 94:1926 95:1618 96:590 97:344 98:1027
99:43 100:30 101:347 103:3039 105:522 106:140
107:207 108:520 109:1866 110:946 111:1071 112:564
113:816 114:700 115:1010 116:955 117:808 118:1146
119:1287 120:372 121:734 122:1803 123:1241 124:1373
125:1390 128:642 129:220 130:308 131:664 132:359
133:160 134:268 135:72 136:239 137:242 138:342
139:190 140:212 141:322 142:533 143:382 144:504
145:98 146:526 147:401 148:663 149:350 150:147
151:553 152:409 153:189 154:28 155:411 156:267
157:393 158:278 159:744 160:349 161:432 162:504
163:225 164:582 165:506 166:252 167:596 168:1032
169:127 170:1063 171:184 172:23 173:1595 174:557
175:500 176:1130 177:2135 178:1861 179:76 180:1480
181:567 182:1274 183:419 184:671 185:691 186:2334
187:1371 188:1895 189:1297 190:6788 192:6835 193:5712
194:4709 195:3588 196:1350 197:941 198:4548 199:5360
200:6015 201:2235 202:8811 203:8880 204:4504 205:2595
206:2826 207:2893 208:4001 209:3598 210:2928 211:1525
212:2224 213:2019 214:908 215:99 216:5264 217:1613
218:615 219:313 220:1284 221:551 222:321 223:449
End of report