Routing Table Report 04:00 +10GMT Sun 22 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 467606
Prefixes after maximum aggregation: 188458
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232259
Total ASes present in the Internet Routing Table: 45016
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35163
Origin ASes announcing only one prefix: 16247
Transit ASes present in the Internet Routing Table: 5905
Transit-only ASes present in the Internet Routing Table: 163
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: 285
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 5073
Number of 32-bit ASNs visible in the Routing Table: 3948
Prefixes from 32-bit ASNs in the Routing Table: 12278
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 504
Number of addresses announced to Internet: 2643814164
Equivalent to 157 /8s, 149 /16s and 103 /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: 163839
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110889
Total APNIC prefixes after maximum aggregation: 33669
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 112896
Unique aggregates announced from the APNIC address blocks: 46671
APNIC Region origin ASes present in the Internet Routing Table: 4868
APNIC Prefixes per ASN: 23.19
APNIC Region origin ASes announcing only one prefix: 1211
APNIC Region transit ASes present in the Internet Routing Table: 831
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: 685
Number of APNIC addresses announced to Internet: 728195584
Equivalent to 43 /8s, 103 /16s and 98 /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: 162608
Total ARIN prefixes after maximum aggregation: 81359
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163121
Unique aggregates announced from the ARIN address blocks: 75850
ARIN Region origin ASes present in the Internet Routing Table: 15892
ARIN Prefixes per ASN: 10.26
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1659
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: 1071669504
Equivalent to 63 /8s, 224 /16s and 97 /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: 118579
Total RIPE prefixes after maximum aggregation: 61014
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122425
Unique aggregates announced from the RIPE address blocks: 79190
RIPE Region origin ASes present in the Internet Routing Table: 17424
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8258
RIPE Region transit ASes present in the Internet Routing Table: 2807
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2400
Number of RIPE addresses announced to Internet: 656953828
Equivalent to 39 /8s, 40 /16s and 81 /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: 51473
Total LACNIC prefixes after maximum aggregation: 9811
LACNIC Deaggregation factor: 5.25
Prefixes being announced from the LACNIC address blocks: 56410
Unique aggregates announced from the LACNIC address blocks: 26151
LACNIC Region origin ASes present in the Internet Routing Table: 2016
LACNIC Prefixes per ASN: 27.98
LACNIC Region origin ASes announcing only one prefix: 572
LACNIC Region transit ASes present in the Internet Routing Table: 378
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 836
Number of LACNIC addresses announced to Internet: 139154736
Equivalent to 8 /8s, 75 /16s and 85 /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: 11646
Total AfriNIC prefixes after maximum aggregation: 2531
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12250
Unique aggregates announced from the AfriNIC address blocks: 3949
AfriNIC Region origin ASes present in the Internet Routing Table: 651
AfriNIC Prefixes per ASN: 18.82
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 46649600
Equivalent to 2 /8s, 199 /16s and 209 /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 2679 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2081 321 112 TPG Internet Pty Ltd
4755 1771 391 188 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1189 309 71 BHARTI Airtel Ltd.
4808 1188 2133 348 CNCGROUP IP network: China169
7552 1163 1080 13 Vietel Corporation
24560 1090 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 3067 3689 62 BellSouth.net Inc.
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2018 679 126 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1611 1103 409 Time Warner Telecom
701 1531 11152 796 UUNET Technologies, Inc.
30036 1349 304 632 Mediacom Communications Corp
7018 1313 11245 826 AT&T WorldNet Services
22561 1236 386 201 Digital Teleport, Inc
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 1705 544 16 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1021 375 786 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 745 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
35819 512 597 70 Bayanat Al-Oula For Network S
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 3287 1726 103 NET Servicos de Comunicao S.A
10620 2573 420 250 TVCABLE BOGOTA
7303 1714 1135 228 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1324 2800 410 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 94 Telconet S.A
6503 834 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 736 376 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 427 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
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 3287 1726 103 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
4766 2923 11561 924 Korea Telecom (KIX)
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2573 420 250 TVCABLE BOGOTA
7545 2081 321 112 TPG Internet Pty Ltd
18566 2065 382 184 Covad Communications
22773 2043 2933 124 Cox Communications, Inc.
1785 2018 679 126 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3067 3005 BellSouth.net Inc.
17974 2679 2588 PT TELEKOMUNIKASI INDONESIA
10620 2573 2323 TVCABLE BOGOTA
4766 2923 1999 Korea Telecom (KIX)
7545 2081 1969 TPG Internet Pty Ltd
22773 2043 1919 Cox Communications, Inc.
1785 2018 1892 PaeTec Communications, Inc.
18566 2065 1881 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1705 1689 OJSC "Vimpelcom"
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 /14:915 /15:1627 /16:12795 /17:6693 /18:11190
/19:22933 /20:32523 /21:35131 /22:49606 /23:42967 /24:247868
/25:844 /26:992 /27:482 /28:47 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1712 3067 BellSouth.net Inc.
8402 1416 1705 OJSC "Vimpelcom"
22773 1329 2043 Cox Communications, Inc.
30036 1209 1349 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1025 1152 ITC^Deltacom
22561 960 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:813 2:813 3:3 4:17 5:965 6:19
8:608 12:1891 13:3 14:867 15:11 16:3
17:13 18:19 20:21 23:405 24:1743 27:1576
31:1463 32:45 33:2 34:5 36:80 37:1834
38:906 39:3 40:179 41:3276 42:251 44:13
46:2006 47:6 49:672 50:843 52:12 54:38
55:6 57:26 58:1168 59:604 60:343 61:1418
62:1199 63:1986 64:4554 65:2361 66:4173 67:2086
68:1086 69:3307 70:868 71:495 72:2003 74:2560
75:330 76:300 77:1183 78:1058 79:631 80:1333
81:1030 82:631 83:582 84:586 85:1261 86:449
87:1045 88:554 89:1712 90:158 91:5708 92:609
93:1621 94:2026 95:1572 96:518 97:342 98:1042
99:43 100:31 101:607 103:3320 105:519 106:142
107:208 108:508 109:1882 110:970 111:1123 112:575
113:798 114:728 115:1005 116:975 117:823 118:1161
119:1287 120:363 121:741 122:1879 123:1256 124:1386
125:1424 128:624 129:322 130:322 131:674 132:350
133:161 134:546 135:67 136:267 137:268 138:348
139:178 140:206 141:324 142:553 143:402 144:497
145:100 146:514 147:485 148:696 149:356 150:155
151:585 152:413 153:195 154:46 155:485 156:275
157:421 158:285 159:767 160:350 161:451 162:710
163:229 164:625 165:572 166:258 167:608 168:1047
169:128 170:1086 171:193 172:25 173:1613 174:667
175:499 176:1208 177:2291 178:1888 179:150 180:1522
181:730 182:1269 183:460 184:655 185:871 186:2545
187:1459 188:1912 189:1314 190:7113 192:6941 193:5660
194:4071 195:3329 196:1323 197:980 198:4682 199:5455
200:5970 201:2541 202:8980 203:8940 204:4511 205:2629
206:2849 207:2896 208:4004 209:3610 210:2948 211:1555
212:2288 213:2052 214:926 215:99 216:5337 217:1657
218:622 219:314 220:1277 221:559 222:326 223:500
End of report