Routing Table Report 04:00 +10GMT Thu 31 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 470483
Prefixes after maximum aggregation: 189175
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233350
Total ASes present in the Internet Routing Table: 45361
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35327
Origin ASes announcing only one prefix: 16275
Transit ASes present in the Internet Routing Table: 5951
Transit-only ASes present in the Internet Routing Table: 158
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 718
Unregistered ASNs in the Routing Table: 193
Number of 32-bit ASNs allocated by the RIRs: 5271
Number of 32-bit ASNs visible in the Routing Table: 4083
Prefixes from 32-bit ASNs in the Routing Table: 12644
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 881
Number of addresses announced to Internet: 2653454292
Equivalent to 158 /8s, 40 /16s and 127 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 164257
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111601
Total APNIC prefixes after maximum aggregation: 33856
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 113688
Unique aggregates announced from the APNIC address blocks: 47083
APNIC Region origin ASes present in the Internet Routing Table: 4882
APNIC Prefixes per ASN: 23.29
APNIC Region origin ASes announcing only one prefix: 1210
APNIC Region transit ASes present in the Internet Routing Table: 833
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 718
Number of APNIC addresses announced to Internet: 729654208
Equivalent to 43 /8s, 125 /16s and 163 /24s
Percentage of available APNIC address space announced: 85.3
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: 162808
Total ARIN prefixes after maximum aggregation: 81500
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163722
Unique aggregates announced from the ARIN address blocks: 75908
ARIN Region origin ASes present in the Internet Routing Table: 15923
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6009
ARIN Region transit ASes present in the Internet Routing Table: 1670
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: 32
Number of ARIN addresses announced to Internet: 1073554560
Equivalent to 63 /8s, 253 /16s and 36 /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: 118615
Total RIPE prefixes after maximum aggregation: 61125
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122240
Unique aggregates announced from the RIPE address blocks: 78841
RIPE Region origin ASes present in the Internet Routing Table: 17516
RIPE Prefixes per ASN: 6.98
RIPE Region origin ASes announcing only one prefix: 8305
RIPE Region transit ASes present in the Internet Routing Table: 2841
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2446
Number of RIPE addresses announced to Internet: 656594276
Equivalent to 39 /8s, 34 /16s and 213 /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: 52629
Total LACNIC prefixes after maximum aggregation: 9996
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 57685
Unique aggregates announced from the LACNIC address blocks: 26778
LACNIC Region origin ASes present in the Internet Routing Table: 2040
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 387
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 881
Number of LACNIC addresses announced to Internet: 142207280
Equivalent to 8 /8s, 121 /16s and 233 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11610
Total AfriNIC prefixes after maximum aggregation: 2566
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12267
Unique aggregates announced from the AfriNIC address blocks: 4002
AfriNIC Region origin ASes present in the Internet Routing Table: 667
AfriNIC Prefixes per ASN: 18.39
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 137
Average AfriNIC Region AS path length visible: 4.7
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: 48078336
Equivalent to 2 /8s, 221 /16s and 158 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2100 319 111 TPG Internet Pty Ltd
4755 1786 391 189 TATA Communications formerly
9829 1558 1242 46 BSNL National Internet Backbo
9498 1210 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
4808 1167 2128 342 CNCGROUP IP network: China169
7552 1158 1080 13 Vietel Corporation
24560 1092 380 165 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 3056 3688 56 BellSouth.net Inc.
22773 2187 2939 138 Cox Communications, Inc.
18566 2059 379 180 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1618 1101 418 Time Warner Telecom
701 1507 11145 782 MCI Communications Services,
30036 1392 314 576 Mediacom Communications Corp
7018 1340 17779 870 AT&T WorldNet Services
6983 1293 755 578 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 1867 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1093 396 838 Akamai Technologies European
31148 1004 44 21 FreeNet ISP
13188 888 99 49 TOV "Bank-Inform"
6830 770 2327 423 UPC Distribution Services
8551 760 370 41 Bezeq International
12479 679 798 55 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
35819 535 584 77 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 3470 1782 85 NET Servicos de Comunicao S.A
10620 2636 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1520 844 20 Global Village Telecom
8151 1349 2840 414 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 845 93 92 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 787 434 61 AVANTEL, S.A.
7738 780 1498 36 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 553 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 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 3470 1782 85 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
4766 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2636 427 234 TVCABLE BOGOTA
22773 2187 2939 138 Cox Communications, Inc.
7545 2100 319 111 TPG Internet Pty Ltd
18566 2059 379 180 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
8402 1867 544 17 OJSC "Vimpelcom"
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 3056 3000 BellSouth.net Inc.
17974 2717 2628 PT TELEKOMUNIKASI INDONESIA
10620 2636 2402 TVCABLE BOGOTA
22773 2187 2049 Cox Communications, Inc.
4766 2938 1995 Korea Telecom (KIX)
7545 2100 1989 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2059 1879 MegaPath Corporation
8402 1867 1850 OJSC "Vimpelcom"
36998 1854 1849 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 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 Communications
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 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
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.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 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 /12:254
/13:474 /14:918 /15:1627 /16:12839 /17:6725 /18:11308
/19:22977 /20:32693 /21:35395 /22:50025 /23:43427 /24:249187
/25:870 /26:986 /27:466 /28:49 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2059 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1564 1867 OJSC "Vimpelcom"
22773 1454 2187 Cox Communications, Inc.
30036 1240 1392 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:867 2:859 3:1 4:17 5:1005 6:21
8:614 12:1894 13:3 14:891 15:11 16:3
17:17 18:19 20:21 23:505 24:1741 27:1606
31:1487 32:45 33:2 34:5 36:80 37:1871
38:920 39:4 40:181 41:3194 42:247 44:14
46:2028 47:9 49:681 50:841 52:12 54:42
55:3 56:2 57:26 58:1155 59:575 60:373
61:1471 62:1209 63:1982 64:4556 65:2341 66:4138
67:2097 68:1105 69:3283 70:873 71:489 72:2008
74:2556 75:328 76:306 77:1166 78:1073 79:647
80:1294 81:1020 82:653 83:632 84:587 85:1248
86:411 87:1007 88:564 89:1595 90:154 91:5664
92:615 93:1594 94:2007 95:1596 96:509 97:344
98:1047 99:42 100:31 101:614 103:3495 105:525
106:142 107:214 108:531 109:1925 110:957 111:1103
112:592 113:810 114:751 115:1056 116:1009 117:841
118:1165 119:1292 120:368 121:750 122:1874 123:1254
124:1348 125:1433 128:649 129:229 130:330 131:661
132:348 133:158 134:556 135:67 136:279 137:270
138:349 139:177 140:194 141:334 142:541 143:425
144:502 145:87 146:519 147:403 148:773 149:361
150:158 151:586 152:411 153:204 154:51 155:490
156:286 157:424 158:282 159:770 160:357 161:456
162:812 163:227 164:635 165:574 166:258 167:626
168:1046 169:128 170:1129 171:181 172:25 173:1613
174:668 175:512 176:1269 177:2353 178:1933 179:195
180:1582 181:785 182:1341 183:456 184:662 185:966
186:2670 187:1467 188:1841 189:1269 190:7238 192:7090
193:5407 194:4038 195:3320 196:1321 197:1019 198:4743
199:5496 200:6083 201:2527 202:8957 203:8919 204:4526
205:2637 206:2846 207:2862 208:4016 209:3642 210:3018
211:1564 212:2136 213:1981 214:903 215:92 216:5397
217:1691 218:626 219:316 220:1280 221:567 222:326
223:510
End of report