Routing Table Report 04:00 +10GMT Thu 17 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 469882
Prefixes after maximum aggregation: 189177
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232990
Total ASes present in the Internet Routing Table: 45217
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35263
Origin ASes announcing only one prefix: 16274
Transit ASes present in the Internet Routing Table: 5937
Transit-only ASes present in the Internet Routing Table: 162
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 311
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 5194
Number of 32-bit ASNs visible in the Routing Table: 4017
Prefixes from 32-bit ASNs in the Routing Table: 12490
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 745
Number of addresses announced to Internet: 2648344852
Equivalent to 157 /8s, 218 /16s and 137 /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: 95.1
Total number of prefixes smaller than registry allocations: 164582
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111406
Total APNIC prefixes after maximum aggregation: 33853
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113472
Unique aggregates announced from the APNIC address blocks: 46798
APNIC Region origin ASes present in the Internet Routing Table: 4877
APNIC Prefixes per ASN: 23.27
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 834
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 709
Number of APNIC addresses announced to Internet: 728269824
Equivalent to 43 /8s, 104 /16s and 132 /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: 163032
Total ARIN prefixes after maximum aggregation: 81464
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163481
Unique aggregates announced from the ARIN address blocks: 75964
ARIN Region origin ASes present in the Internet Routing Table: 15906
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6020
ARIN Region transit ASes present in the Internet Routing Table: 1663
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: 26
Number of ARIN addresses announced to Internet: 1073124096
Equivalent to 63 /8s, 246 /16s and 147 /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: 118955
Total RIPE prefixes after maximum aggregation: 61311
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122596
Unique aggregates announced from the RIPE address blocks: 79076
RIPE Region origin ASes present in the Internet Routing Table: 17477
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8270
RIPE Region transit ASes present in the Internet Routing Table: 2829
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: 2416
Number of RIPE addresses announced to Internet: 656454372
Equivalent to 39 /8s, 32 /16s and 178 /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, 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: 52158
Total LACNIC prefixes after maximum aggregation: 9900
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 57264
Unique aggregates announced from the LACNIC address blocks: 26538
LACNIC Region origin ASes present in the Internet Routing Table: 2042
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 385
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: 860
Number of LACNIC addresses announced to Internet: 140613680
Equivalent to 8 /8s, 97 /16s and 152 /24s
Percentage of available LACNIC address space announced: 83.8
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: 11674
Total AfriNIC prefixes after maximum aggregation: 2546
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12324
Unique aggregates announced from the AfriNIC address blocks: 3991
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.73
AfriNIC Region origin ASes announcing only one prefix: 196
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 47789056
Equivalent to 2 /8s, 217 /16s and 52 /24s
Percentage of available AfriNIC address space announced: 47.5
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 2941 11563 946 Korea Telecom (KIX)
17974 2713 903 90 PT TELEKOMUNIKASI INDONESIA
7545 2088 319 112 TPG Internet Pty Ltd
4755 1778 391 187 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9498 1206 309 74 BHARTI Airtel Ltd.
9583 1184 90 512 Sify Limited
7552 1171 1146 10 Vietel Corporation
4808 1162 2127 339 CNCGROUP IP network: China169
24560 1091 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 3057 3688 56 BellSouth.net Inc.
22773 2172 2943 140 Cox Communications, Inc.
18566 2066 382 184 Covad Communications
1785 2024 680 127 PaeTec Communications, Inc.
20115 1678 1652 615 Charter Communications
4323 1618 1104 420 Time Warner Telecom
701 1510 11145 785 UUNET Technologies, Inc.
30036 1387 311 569 Mediacom Communications Corp
7018 1331 17506 859 AT&T WorldNet Services
6983 1294 771 579 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 1863 544 17 OJSC "Vimpelcom"
34984 1361 244 219 TELLCOM ILETISIM HIZMETLERI A
20940 1062 391 817 Akamai Technologies European
31148 995 44 20 FreeNet ISP
6830 891 2332 425 UPC Distribution Services
13188 880 99 62 TOV "Bank-Inform"
8551 758 370 41 Bezeq International
12479 687 799 49 Uni2 Autonomous System
35228 541 246 16 Avatar Broadband Limited
34744 515 157 53 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 3432 1772 91 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1472 844 20 Global Village Telecom
8151 1343 2819 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 839 93 89 Telconet S.A
6147 802 373 27 Telefonica Del Peru
6503 788 434 62 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 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 3432 1772 91 NET Servicos de Comunicao S.A
6389 3057 3688 56 BellSouth.net Inc.
4766 2941 11563 946 Korea Telecom (KIX)
17974 2713 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2172 2943 140 Cox Communications, Inc.
7545 2088 319 112 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
1785 2024 680 127 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 3057 3001 BellSouth.net Inc.
17974 2713 2623 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2172 2032 Cox Communications, Inc.
4766 2941 1995 Korea Telecom (KIX)
7545 2088 1976 TPG Internet Pty Ltd
1785 2024 1897 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1863 1846 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
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
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
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.
23.91.160.0/22 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
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 /12:251
/13:482 /14:915 /15:1626 /16:12828 /17:6707 /18:11249
/19:22991 /20:32635 /21:35355 /22:50011 /23:43134 /24:249009
/25:897 /26:997 /27:483 /28:48 /29:80 /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 1709 3057 BellSouth.net Inc.
8402 1559 1863 OJSC "Vimpelcom"
22773 1442 2172 Cox Communications, Inc.
30036 1240 1387 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1088 2024 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 966 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:845 2:842 3:3 4:17 5:992 6:20
8:615 12:1895 13:3 14:876 15:11 16:3
17:17 18:19 20:21 23:471 24:1716 27:1617
31:1472 32:45 33:2 34:5 36:81 37:1837
38:913 39:3 40:179 41:3243 42:249 44:12
46:2032 47:6 49:681 50:838 52:12 54:39
55:4 56:2 57:26 58:1167 59:572 60:358
61:1476 62:1191 63:1979 64:4554 65:2345 66:4149
67:2124 68:1099 69:3288 70:872 71:496 72:2018
74:2569 75:325 76:306 77:1160 78:1091 79:654
80:1332 81:1019 82:626 83:588 84:609 85:1232
86:454 87:1019 88:561 89:1742 90:157 91:5650
92:609 93:1605 94:2038 95:1626 96:519 97:344
98:1048 99:42 100:31 101:615 103:3409 105:522
106:143 107:210 108:511 109:1912 110:974 111:1134
112:583 113:790 114:720 115:1040 116:988 117:832
118:1171 119:1294 120:380 121:748 122:1885 123:1225
124:1367 125:1428 128:644 129:234 130:324 131:670
132:347 133:158 134:548 135:67 136:278 137:240
138:348 139:177 140:197 141:327 142:548 143:411
144:501 145:96 146:518 147:405 148:710 149:352
150:156 151:602 152:414 153:201 154:51 155:488
156:284 157:426 158:282 159:773 160:353 161:455
162:785 163:227 164:633 165:565 166:258 167:622
168:1045 169:128 170:1119 171:190 172:25 173:1616
174:679 175:513 176:1239 177:2372 178:1926 179:186
180:1573 181:758 182:1341 183:468 184:654 185:938
186:2599 187:1474 188:1884 189:1292 190:7230 192:7065
193:5414 194:4028 195:3318 196:1332 197:1019 198:4738
199:5478 200:6094 201:2538 202:8977 203:8906 204:4537
205:2636 206:2840 207:2920 208:3999 209:3648 210:2977
211:1571 212:2209 213:2013 214:898 215:93 216:5362
217:1685 218:620 219:315 220:1278 221:557 222:326
223:505
End of report