Routing Table Report 04:00 +10GMT Fri 26 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460421
Prefixes after maximum aggregation: 186833
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228841
Total ASes present in the Internet Routing Table: 44586
Prefixes per ASN: 10.33
Origin-only ASes present in the Internet Routing Table: 34879
Origin ASes announcing only one prefix: 16209
Transit ASes present in the Internet Routing Table: 5901
Transit-only ASes present in the Internet Routing Table: 148
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: 3664
Unregistered ASNs in the Routing Table: 1475
Number of 32-bit ASNs allocated by the RIRs: 4899
Number of 32-bit ASNs visible in the Routing Table: 3806
Prefixes from 32-bit ASNs in the Routing Table: 11485
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 263
Number of addresses announced to Internet: 2631108972
Equivalent to 156 /8s, 211 /16s and 137 /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: 94.7
Total number of prefixes smaller than registry allocations: 161279
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110374
Total APNIC prefixes after maximum aggregation: 33906
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112362
Unique aggregates announced from the APNIC address blocks: 46282
APNIC Region origin ASes present in the Internet Routing Table: 4863
APNIC Prefixes per ASN: 23.11
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 829
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: 616
Number of APNIC addresses announced to Internet: 726278880
Equivalent to 43 /8s, 74 /16s and 34 /24s
Percentage of available APNIC address space announced: 84.9
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: 80550
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160343
Unique aggregates announced from the ARIN address blocks: 74272
ARIN Region origin ASes present in the Internet Routing Table: 15799
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5994
ARIN Region transit ASes present in the Internet Routing Table: 1649
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: 1068079424
Equivalent to 63 /8s, 169 /16s and 153 /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: 118252
Total RIPE prefixes after maximum aggregation: 60281
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121814
Unique aggregates announced from the RIPE address blocks: 78741
RIPE Region origin ASes present in the Internet Routing Table: 17312
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8220
RIPE Region transit ASes present in the Internet Routing Table: 2831
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: 2377
Number of RIPE addresses announced to Internet: 656139684
Equivalent to 39 /8s, 27 /16s and 229 /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: 48891
Total LACNIC prefixes after maximum aggregation: 9508
LACNIC Deaggregation factor: 5.14
Prefixes being announced from the LACNIC address blocks: 53452
Unique aggregates announced from the LACNIC address blocks: 25380
LACNIC Region origin ASes present in the Internet Routing Table: 1989
LACNIC Prefixes per ASN: 26.87
LACNIC Region origin ASes announcing only one prefix: 583
LACNIC Region transit ASes present in the Internet Routing Table: 368
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: 788
Number of LACNIC addresses announced to Internet: 133735080
Equivalent to 7 /8s, 248 /16s and 162 /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: 11595
Total AfriNIC prefixes after maximum aggregation: 2548
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12187
Unique aggregates announced from the AfriNIC address blocks: 3921
AfriNIC Region origin ASes present in the Internet Routing Table: 642
AfriNIC Prefixes per ASN: 18.98
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46544128
Equivalent to 2 /8s, 198 /16s and 53 /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 920 Korea Telecom (KIX)
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2033 320 109 TPG Internet Pty Ltd
4755 1763 391 194 TATA Communications formerly
9829 1537 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
9498 1167 309 71 BHARTI Airtel Ltd.
4808 1164 2145 338 CNCGROUP IP network: China169
7552 1160 1080 13 Vietel Corporation
24560 1085 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 2067 382 184 Covad Communications
1785 2004 678 125 PaeTec Communications, Inc.
22773 2000 2927 124 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1524 11120 802 UUNET Technologies, Inc.
30036 1339 302 659 Mediacom Communications Corp
7018 1305 11036 821 AT&T WorldNet Services
11492 1224 218 360 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 1603 544 16 Corbina telecom
34984 1295 244 222 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 976 43 22 FreeNet ISP
20940 937 327 736 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 624 168 80 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 2951 1591 110 NET Servicos de Comunicao S.A
10620 2634 419 224 TVCABLE BOGOTA
7303 1730 1155 220 Telecom Argentina Stet-France
8151 1274 2750 387 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 824 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 719 306 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 2951 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 920 Korea Telecom (KIX)
10620 2634 419 224 TVCABLE BOGOTA
17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2033 320 109 TPG Internet Pty Ltd
1785 2004 678 125 PaeTec Communications, Inc.
22773 2000 2927 124 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 2951 2841 NET Servicos de Comunicao S.A
17974 2618 2526 PT TELEKOMUNIKASI INDONESIA
10620 2634 2410 TVCABLE BOGOTA
4766 2918 1998 Korea Telecom (KIX)
7545 2033 1924 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
1785 2004 1879 PaeTec Communications, Inc.
22773 2000 1876 Cox Communications, Inc.
36998 1815 1810 MOBITEL
8402 1603 1587 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 /12:251
/13:478 /14:905 /15:1600 /16:12733 /17:6650 /18:11036
/19:22493 /20:32120 /21:34639 /22:48697 /23:42536 /24:242187
/25:1301 /26:1644 /27:850 /28:44 /29:72 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
36998 1780 1815 MOBITEL
6389 1714 2982 bellsouth.net, inc.
22773 1302 2000 Cox Communications, Inc.
8402 1294 1603 Corbina telecom
30036 1205 1339 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1073 2004 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 980 2634 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:711 3:3 4:19 5:840 6:17
8:572 12:1913 13:2 14:864 15:11 16:3
17:10 20:17 23:295 24:1770 27:1503 31:1314
32:45 33:2 34:5 36:60 37:1849 38:892
39:2 40:175 41:3285 42:232 44:8 46:1940
47:2 49:672 50:803 52:12 54:34 55:7
57:26 58:1161 59:583 60:328 61:1423 62:1169
63:2011 64:4357 65:2150 66:4189 67:2021 68:1096
69:3286 70:797 71:490 72:1917 74:2503 75:324
76:306 77:1118 78:1049 79:615 80:1293 81:1011
82:635 83:581 84:580 85:1206 86:466 87:1027
88:543 89:1794 90:150 91:5547 92:622 93:1749
94:1925 95:1653 96:517 97:344 98:1027 99:43
100:29 101:346 103:3042 105:521 106:139 107:208
108:519 109:1851 110:945 111:1071 112:565 113:818
114:701 115:1014 116:962 117:830 118:1124 119:1289
120:369 121:739 122:1800 123:1240 124:1374 125:1389
128:644 129:223 130:309 131:668 132:359 133:160
134:268 135:72 136:239 137:242 138:342 139:191
140:211 141:329 142:533 143:382 144:513 145:98
146:537 147:406 148:664 149:351 150:149 151:553
152:414 153:189 154:28 155:416 156:267 157:393
158:278 159:744 160:349 161:453 162:499 163:226
164:583 165:507 166:253 167:594 168:1033 169:128
170:1065 171:184 172:23 173:1594 174:553 175:500
176:1125 177:2139 178:1863 179:67 180:1485 181:539
182:1269 183:419 184:668 185:681 186:2331 187:1375
188:1883 189:1300 190:6551 192:6932 193:5712 194:4711
195:3586 196:1348 197:936 198:4556 199:5357 200:6010
201:2192 202:8822 203:8883 204:4508 205:2599 206:2823
207:2873 208:4003 209:3575 210:2924 211:1519 212:2230
213:2016 214:925 215:99 216:5263 217:1615 218:612
219:313 220:1284 221:554 222:321 223:448
End of report