* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 29 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 474761
Prefixes after maximum aggregation: 189721
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 235123
Total ASes present in the Internet Routing Table: 41388
Prefixes per ASN: 11.47
Origin-only ASes present in the Internet Routing Table: 35423
Origin ASes announcing only one prefix: 16279
Transit ASes present in the Internet Routing Table: 5965
Transit-only ASes present in the Internet Routing Table: 169
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: 1026
Unregistered ASNs in the Routing Table: 288
Number of 32-bit ASNs allocated by the RIRs: 5411
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13271
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 1243
Number of addresses announced to Internet: 2656551004
Equivalent to 158 /8s, 87 /16s and 192 /24s
Percentage of available address space announced: 71.8
Percentage of allocated address space announced: 71.8
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: 166124
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112495
Total APNIC prefixes after maximum aggregation: 34081
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 114770
Unique aggregates announced from the APNIC address blocks: 47970
APNIC Region origin ASes present in the Internet Routing Table: 4877
APNIC Prefixes per ASN: 23.53
APNIC Region origin ASes announcing only one prefix: 1215
APNIC Region transit ASes present in the Internet Routing Table: 836
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: 729097152
Equivalent to 43 /8s, 117 /16s and 35 /24s
Percentage of available APNIC address space announced: 85.2
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: 163843
Total ARIN prefixes after maximum aggregation: 81680
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 164662
Unique aggregates announced from the ARIN address blocks: 75873
ARIN Region origin ASes present in the Internet Routing Table: 15943
ARIN Prefixes per ASN: 10.33
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1661
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: 1073937024
Equivalent to 64 /8s, 2 /16s and 250 /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: 119542
Total RIPE prefixes after maximum aggregation: 61138
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123255
Unique aggregates announced from the RIPE address blocks: 78971
RIPE Region origin ASes present in the Internet Routing Table: 17546
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8304
RIPE Region transit ASes present in the Internet Routing Table: 2826
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: 656228324
Equivalent to 39 /8s, 29 /16s and 63 /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: 53130
Total LACNIC prefixes after maximum aggregation: 10025
LACNIC Deaggregation factor: 5.30
Prefixes being announced from the LACNIC address blocks: 58413
Unique aggregates announced from the LACNIC address blocks: 27284
LACNIC Region origin ASes present in the Internet Routing Table: 2042
LACNIC Prefixes per ASN: 28.61
LACNIC Region origin ASes announcing only one prefix: 543
LACNIC Region transit ASes present in the Internet Routing Table: 403
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: 144568888
Equivalent to 8 /8s, 157 /16s and 242 /24s
Percentage of available LACNIC address space announced: 86.2
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: 11752
Total AfriNIC prefixes after maximum aggregation: 2588
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12418
Unique aggregates announced from the AfriNIC address blocks: 4023
AfriNIC Region origin ASes present in the Internet Routing Table: 687
AfriNIC Prefixes per ASN: 18.08
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 142
Average AfriNIC Region AS path length visible: 4.6
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: 48527616
Equivalent to 2 /8s, 228 /16s and 121 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2929 11557 940 Korea Telecom (KIX)
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
7545 2113 319 111 TPG Internet Pty Ltd
4755 1793 392 190 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1251 95 510 Sify Limited
9498 1213 309 73 BHARTI Airtel Ltd.
7552 1165 1080 13 Vietel Corporation
4808 1146 2119 337 CNCGROUP IP network: China169
24560 1096 382 166 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 3042 3688 53 BellSouth.net Inc.
22773 2208 2939 136 Cox Communications, Inc.
18566 2053 379 178 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1682 1653 602 Charter Communications
4323 1643 1098 420 Time Warner Telecom
701 1507 11144 781 MCI Communications Services,
7029 1469 1241 163 Windstream Communications Inc
30036 1388 313 582 Mediacom Communications Corp
7018 1333 17779 872 AT&T WorldNet Services
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 1947 544 16 OJSC "Vimpelcom"
34984 1367 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1191 453 889 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 785 370 41 Bezeq International
6830 772 2327 424 UPC Distribution Services
12479 680 798 53 Uni2 Autonomous System
35228 549 246 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 3392 1807 90 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1705 908 20 Global Village Telecom
8151 1361 2852 420 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 847 93 90 Telconet S.A
6147 791 373 27 Telefonica Del Peru
6503 784 434 60 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 869 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 411 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 255 921 213 The Internet Solution
36992 235 471 25 Etisalat MISR
29571 227 17 14 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 3392 1807 90 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
4766 2929 11557 940 Korea Telecom (KIX)
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2208 2939 136 Cox Communications, Inc.
7545 2113 319 111 TPG Internet Pty Ltd
18566 2053 379 178 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
8402 1947 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 3042 2989 BellSouth.net Inc.
17974 2715 2627 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2208 2072 Cox Communications, Inc.
7545 2113 2002 TPG Internet Pty Ltd
4766 2929 1989 Korea Telecom (KIX)
8402 1947 1931 OJSC "Vimpelcom"
1785 2044 1912 PaeTec Communications, Inc.
18566 2053 1875 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 46887 Lightower Fiber Netw
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.
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 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 /12:253
/13:475 /14:925 /15:1631 /16:12849 /17:6781 /18:11307
/19:23165 /20:33026 /21:35649 /22:50169 /23:44117 /24:251749
/25:879 /26:995 /27:475 /28:50 /29:82 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2053 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1632 1947 OJSC "Vimpelcom"
22773 1462 2208 Cox Communications, Inc.
30036 1230 1388 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
7029 1047 1469 Windstream Communications Inc
6983 1035 1293 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:907 2:873 3:3 4:17 5:1026 6:21
8:610 12:1875 13:3 14:900 15:11 16:3
17:18 18:19 20:25 23:603 24:1760 27:1706
31:1518 32:45 33:2 34:5 36:87 37:1940
38:919 39:5 40:185 41:3275 42:297 44:14
46:2044 47:10 49:697 50:855 52:12 54:44
55:5 56:4 57:26 58:1170 59:578 60:368
61:1494 62:1251 63:1976 64:4401 65:2357 66:4249
67:2101 68:1103 69:3299 70:949 71:515 72:2025
74:2633 75:394 76:304 77:1216 78:1080 79:668
80:1275 81:1049 82:628 83:682 84:592 85:1250
86:380 87:1019 88:552 89:1549 90:154 91:5695
92:612 93:1606 94:2083 95:1524 96:516 97:347
98:1086 99:41 100:32 101:659 103:3725 105:530
106:143 107:218 108:537 109:1999 110:981 111:1116
112:594 113:805 114:767 115:1059 116:1005 117:832
118:1199 119:1283 120:337 121:762 122:1872 123:1271
124:1421 125:1431 128:658 129:232 130:353 131:654
132:353 133:158 134:305 135:72 136:277 137:251
138:351 139:179 140:200 141:336 142:551 143:395
144:500 145:90 146:551 147:415 148:776 149:370
150:153 151:663 152:412 153:207 154:53 155:501
156:306 157:420 158:284 159:783 160:361 161:457
162:914 163:227 164:622 165:579 166:283 167:637
168:1043 169:125 170:1109 171:185 172:11 173:1663
174:716 175:531 176:1330 177:2525 178:1872 179:292
180:1594 181:873 182:1409 183:474 184:640 185:1076
186:2642 187:1462 188:1861 189:1255 190:7314 192:7082
193:5442 194:4029 195:3358 196:1336 197:1037 198:4752
199:5505 200:6061 201:2522 202:9002 203:8899 204:4543
205:2655 206:2851 207:2811 208:3957 209:3673 210:3070
211:1594 212:2152 213:2002 214:893 215:86 216:5438
217:1701 218:630 219:323 220:1280 221:585 222:352
223:519
End of report
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