Routing Table Report 04:00 +10GMT Tue 01 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468098
Prefixes after maximum aggregation: 188948
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232257
Total ASes present in the Internet Routing Table: 45085
Prefixes per ASN: 10.38
Origin-only ASes present in the Internet Routing Table: 35208
Origin ASes announcing only one prefix: 16262
Transit ASes present in the Internet Routing Table: 5906
Transit-only ASes present in the Internet Routing Table: 164
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: 292
Unregistered ASNs in the Routing Table: 160
Number of 32-bit ASNs allocated by the RIRs: 5124
Number of 32-bit ASNs visible in the Routing Table: 3971
Prefixes from 32-bit ASNs in the Routing Table: 12169
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 612
Number of addresses announced to Internet: 2645857684
Equivalent to 157 /8s, 180 /16s and 149 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
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: 163774
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111281
Total APNIC prefixes after maximum aggregation: 33757
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 113326
Unique aggregates announced from the APNIC address blocks: 46786
APNIC Region origin ASes present in the Internet Routing Table: 4873
APNIC Prefixes per ASN: 23.26
APNIC Region origin ASes announcing only one prefix: 1216
APNIC Region transit ASes present in the Internet Routing Table: 830
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 696
Number of APNIC addresses announced to Internet: 728207360
Equivalent to 43 /8s, 103 /16s and 144 /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: 162789
Total ARIN prefixes after maximum aggregation: 81507
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163277
Unique aggregates announced from the ARIN address blocks: 75906
ARIN Region origin ASes present in the Internet Routing Table: 15888
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6013
ARIN Region transit ASes present in the Internet Routing Table: 1657
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 22
Number of ARIN addresses announced to Internet: 1072978304
Equivalent to 63 /8s, 244 /16s and 89 /24s
Percentage of available ARIN address space announced: 56.8
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: 118699
Total RIPE prefixes after maximum aggregation: 61182
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122306
Unique aggregates announced from the RIPE address blocks: 78879
RIPE Region origin ASes present in the Internet Routing Table: 17451
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8273
RIPE Region transit ASes present in the Internet Routing Table: 2813
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2405
Number of RIPE addresses announced to Internet: 656906980
Equivalent to 39 /8s, 39 /16s and 154 /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: 51435
Total LACNIC prefixes after maximum aggregation: 9882
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 56381
Unique aggregates announced from the LACNIC address blocks: 26170
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 375
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 842
Number of LACNIC addresses announced to Internet: 139272240
Equivalent to 8 /8s, 77 /16s and 32 /24s
Percentage of available LACNIC address space announced: 83.0
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: 11584
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12196
Unique aggregates announced from the AfriNIC address blocks: 3990
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.68
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 138
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: 46749952
Equivalent to 2 /8s, 201 /16s and 89 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2944 11562 944 Korea Telecom (KIX)
17974 2702 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2080 321 112 TPG Internet Pty Ltd
4755 1757 391 187 TATA Communications formerly
9829 1531 1236 41 BSNL National Internet Backbo
9583 1233 93 506 Sify Limited
9498 1195 309 72 BHARTI Airtel Ltd.
4808 1191 2131 347 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 3061 3689 59 BellSouth.net Inc.
18566 2066 382 184 Covad Communications
22773 2039 2933 124 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1679 1650 629 Charter Communications
4323 1617 1103 417 Time Warner Telecom
701 1522 11149 794 UUNET Technologies, Inc.
30036 1348 304 619 Mediacom Communications Corp
7018 1344 17483 853 AT&T WorldNet Services
6983 1286 772 579 ITC^Deltacom
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 1823 544 17 OJSC "Vimpelcom"
34984 1363 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1022 374 789 Akamai Technologies European
31148 988 43 19 FreeNet ISP
6830 891 2365 425 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 748 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 511 8416 406 Deutsche Telekom AG
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 3366 1732 94 NET Servicos de Comunicao S.A
10620 2583 421 245 TVCABLE BOGOTA
7303 1603 1102 295 Telecom Argentina Stet-France
18881 1434 844 20 Global Village Telecom
8151 1339 2801 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 836 93 91 Telconet S.A
6503 833 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 724 302 84 Empresa Nacional de Telecomun
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 881 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 429 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 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 3366 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
4766 2944 11562 944 Korea Telecom (KIX)
17974 2702 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2583 421 245 TVCABLE BOGOTA
7545 2080 321 112 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
22773 2039 2933 124 Cox Communications, Inc.
1785 2019 679 125 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 3061 3002 BellSouth.net Inc.
17974 2702 2611 PT TELEKOMUNIKASI INDONESIA
10620 2583 2338 TVCABLE BOGOTA
4766 2944 2000 Korea Telecom (KIX)
7545 2080 1968 TPG Internet Pty Ltd
22773 2039 1915 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1823 1806 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 /11:92 /12:250
/13:479 /14:915 /15:1626 /16:12812 /17:6691 /18:11200
/19:22963 /20:32494 /21:35156 /22:49662 /23:43015 /24:248174
/25:887 /26:989 /27:475 /28:48 /29:78 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3061 BellSouth.net Inc.
8402 1543 1823 OJSC "Vimpelcom"
22773 1325 2039 Cox Communications, Inc.
30036 1206 1348 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2019 PaeTec Communications, Inc.
6983 1026 1286 ITC^Deltacom
22561 964 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:852 2:857 3:3 4:17 5:975 6:19
8:614 12:1893 13:3 14:871 15:11 16:3
17:13 18:19 20:21 23:446 24:1729 27:1591
31:1474 32:45 33:2 34:5 36:81 37:1814
38:907 39:3 40:179 41:3259 42:249 44:13
46:2013 47:5 49:677 50:843 52:12 54:39
55:5 57:26 58:1164 59:611 60:349 61:1426
62:1182 63:1995 64:4547 65:2358 66:4187 67:2073
68:1086 69:3327 70:868 71:495 72:2006 74:2565
75:330 76:304 77:1169 78:1055 79:645 80:1341
81:1033 82:623 83:584 84:591 85:1276 86:454
87:1000 88:552 89:1725 90:155 91:5628 92:611
93:1623 94:1973 95:1639 96:516 97:343 98:1042
99:43 100:31 101:608 103:3391 105:520 106:143
107:206 108:510 109:1884 110:972 111:1126 112:580
113:801 114:716 115:1009 116:998 117:821 118:1167
119:1292 120:370 121:734 122:1886 123:1245 124:1388
125:1423 128:619 129:321 130:321 131:650 132:348
133:161 134:540 135:67 136:271 137:267 138:349
139:181 140:182 141:325 142:549 143:415 144:500
145:103 146:515 147:403 148:705 149:353 150:158
151:598 152:411 153:199 154:48 155:485 156:278
157:421 158:285 159:768 160:347 161:450 162:719
163:229 164:634 165:549 166:258 167:622 168:1049
169:128 170:1080 171:202 172:25 173:1611 174:664
175:507 176:1222 177:2293 178:1897 179:142 180:1548
181:703 182:1327 183:463 184:658 185:903 186:2562
187:1455 188:1889 189:1340 190:7139 192:6961 193:5632
194:4074 195:3341 196:1318 197:985 198:4689 199:5473
200:6004 201:2516 202:9009 203:8920 204:4506 205:2627
206:2867 207:2896 208:4012 209:3622 210:2950 211:1569
212:2260 213:2005 214:907 215:99 216:5334 217:1669
218:623 219:323 220:1276 221:565 222:326 223:502
End of report