* BGP Routing Table Analysis Reports *
Routing Table Report 0400 +10GMT 20 20 11, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 473276
Prefixes after maximum aggregation: 189424
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 234789
Total ASes present in the Internet Routing Table: 41320
Prefixes per ASN: 11.45
Origin-only ASes present in the Internet Routing Table: 35369
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 5951
Transit-only ASes present in the Internet Routing Table: 163
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 103
Max AS path prepend of ASN ( 50404) 101
Prefixes from unregistered ASNs in the Routing Table: 917
Unregistered ASNs in the Routing Table: 274
Number of 32-bit ASNs allocated by the RIRs: 5399
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13139
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1122
Number of addresses announced to Internet: 2655230300
Equivalent to 158 /8s, 67 /16s and 153 /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: 95.3
Total number of prefixes smaller than registry allocations: 165453
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111808
Total APNIC prefixes after maximum aggregation: 33939
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 114042
Unique aggregates announced from the APNIC address blocks: 47724
APNIC Region origin ASes present in the Internet Routing Table: 4875
APNIC Prefixes per ASN: 23.39
APNIC Region origin ASes announcing only one prefix: 1223
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: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 730157760
Equivalent to 43 /8s, 133 /16s and 82 /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: 163088
Total ARIN prefixes after maximum aggregation: 81642
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163891
Unique aggregates announced from the ARIN address blocks: 76083
ARIN Region origin ASes present in the Internet Routing Table: 15924
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6000
ARIN Region transit ASes present in the Internet Routing Table: 1655
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: 0
Number of ARIN addresses announced to Internet: 1073454720
Equivalent to 63 /8s, 251 /16s and 158 /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: 119677
Total RIPE prefixes after maximum aggregation: 61078
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123372
Unique aggregates announced from the RIPE address blocks: 78991
RIPE Region origin ASes present in the Internet Routing Table: 17527
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8300
RIPE Region transit ASes present in the Internet Routing Table: 2840
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 103
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 656302564
Equivalent to 39 /8s, 30 /16s and 97 /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: 53128
Total LACNIC prefixes after maximum aggregation: 10011
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 58393
Unique aggregates announced from the LACNIC address blocks: 27047
LACNIC Region origin ASes present in the Internet Routing Table: 2039
LACNIC Prefixes per ASN: 28.64
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 394
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 143343160
Equivalent to 8 /8s, 139 /16s and 62 /24s
Percentage of available LACNIC address space announced: 85.4
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: 11819
Total AfriNIC prefixes after maximum aggregation: 2595
AfriNIC Deaggregation factor: 4.55
Prefixes being announced from the AfriNIC address blocks: 12456
Unique aggregates announced from the AfriNIC address blocks: 4032
AfriNIC Region origin ASes present in the Internet Routing Table: 685
AfriNIC Prefixes per ASN: 18.18
AfriNIC Region origin ASes announcing only one prefix: 209
AfriNIC Region transit ASes present in the Internet Routing Table: 139
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: 0
Number of AfriNIC addresses announced to Internet: 48116480
Equivalent to 2 /8s, 222 /16s and 51 /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 2930 11557 943 Korea Telecom (KIX)
17974 2707 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2111 319 111 TPG Internet Pty Ltd
4755 1792 392 190 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1246 95 509 Sify Limited
9498 1210 309 73 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
4808 1146 2124 339 CNCGROUP IP network: China169
24560 1095 380 163 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 3048 3688 53 BellSouth.net Inc.
22773 2200 2941 140 Cox Communications, Inc.
1785 2056 686 144 PaeTec Communications, Inc.
18566 2055 379 178 MegaPath Corporation
20115 1684 1655 606 Charter Communications
4323 1637 1098 418 Time Warner Telecom
701 1507 11146 783 MCI Communications Services,
30036 1383 312 582 Mediacom Communications Corp
7018 1331 17778 870 AT&T WorldNet Services
6983 1295 756 580 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 1966 544 16 OJSC "Vimpelcom"
34984 1365 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1145 425 866 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 786 370 41 Bezeq International
6830 775 2329 427 UPC Distribution Services
12479 679 798 55 Uni2 Autonomous System
35228 548 246 16 Avatar Broadband Limited
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 3390 1791 90 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1723 1150 227 Telecom Argentina Stet-France
18881 1633 908 20 Global Village Telecom
8151 1364 2853 414 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 846 93 90 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 793 434 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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 414 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 228 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
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 3390 1791 90 NET Servicos de Comunicao S.A
6389 3048 3688 53 BellSouth.net Inc.
4766 2930 11557 943 Korea Telecom (KIX)
17974 2707 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2200 2941 140 Cox Communications, Inc.
7545 2111 319 111 TPG Internet Pty Ltd
1785 2056 686 144 PaeTec Communications, Inc.
18566 2055 379 178 MegaPath Corporation
8402 1966 544 16 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 3048 2995 BellSouth.net Inc.
17974 2707 2619 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2200 2060 Cox Communications, Inc.
7545 2111 2000 TPG Internet Pty Ltd
4766 2930 1987 Korea Telecom (KIX)
8402 1966 1950 OJSC "Vimpelcom"
1785 2056 1912 PaeTec Communications, Inc.
18566 2055 1877 MegaPath Corporation
36998 1864 1859 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
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65160 PRIVATE 12.1.58.0/24 17361 Sungard Trading Syst
65160 PRIVATE 12.1.59.0/24 17361 Sungard Trading Syst
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 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.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 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 37958 ChinaCache Networks ASN
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
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 /14:922 /15:1622 /16:12839 /17:6763 /18:11340
/19:23091 /20:32839 /21:35609 /22:50006 /23:43874 /24:250990
/25:871 /26:996 /27:467 /28:51 /29:82 /30:22
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3048 BellSouth.net Inc.
8402 1632 1966 OJSC "Vimpelcom"
22773 1458 2200 Cox Communications, Inc.
30036 1228 1383 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1095 2056 PaeTec Communications, Inc.
6983 1036 1295 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:900 2:893 3:3 4:17 5:1028 6:21
8:622 12:1883 13:3 14:901 15:11 16:3
17:16 18:19 20:21 23:567 24:1741 27:1627
31:1511 32:45 33:2 34:5 36:82 37:1932
38:919 39:5 40:182 41:3313 42:275 44:14
46:2034 47:10 49:692 50:856 52:12 54:43
55:6 56:4 57:26 58:1167 59:574 60:379
61:1476 62:1241 63:1984 64:4330 65:2345 66:4157
67:2113 68:1097 69:3298 70:874 71:489 72:2045
74:2575 75:325 76:307 77:1159 78:1073 79:673
80:1293 81:1048 82:648 83:676 84:588 85:1262
86:382 87:1029 88:558 89:1558 90:152 91:5689
92:612 93:1611 94:2067 95:1619 96:514 97:349
98:1042 99:41 100:32 101:650 103:3633 105:527
106:141 107:219 108:533 109:1980 110:976 111:1118
112:594 113:812 114:748 115:1051 116:1006 117:822
118:1184 119:1272 120:335 121:751 122:1872 123:1265
124:1395 125:1437 128:677 129:229 130:352 131:666
132:353 133:158 134:558 135:72 136:284 137:249
138:349 139:297 140:199 141:330 142:546 143:419
144:497 145:90 146:528 147:394 148:780 149:369
150:138 151:653 152:412 153:205 154:52 155:500
156:296 157:421 158:282 159:780 160:361 161:458
162:858 163:223 164:622 165:589 166:263 167:636
168:1033 169:125 170:1113 171:184 172:27 173:1587
174:690 175:526 176:1329 177:2492 178:1977 179:299
180:1594 181:873 182:1378 183:451 184:634 185:1039
186:2632 187:1479 188:1873 189:1277 190:7304 192:7055
193:5426 194:4037 195:3372 196:1326 197:1040 198:4759
199:5488 200:6043 201:2518 202:8967 203:8891 204:4537
205:2636 206:2834 207:2833 208:3990 209:3657 210:3035
211:1567 212:2153 213:2001 214:900 215:91 216:5421
217:1697 218:627 219:323 220:1278 221:580 222:326
223:505
End of report
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