* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sun 10 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 464736
Prefixes after maximum aggregation: 187794
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 233422
Total ASes present in the Internet Routing Table: 45263
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 35355
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5790
Transit-only ASes present in the Internet Routing Table: 150
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 706
Unregistered ASNs in the Routing Table: 176
Number of 32-bit ASNs allocated by the RIRs: 5325
Number of 32-bit ASNs visible in the Routing Table: 4118
Prefixes from 32-bit ASNs in the Routing Table: 12852
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1018
Number of addresses announced to Internet: 2652134752
Equivalent to 158 /8s, 20 /16s and 93 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
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: 162218
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107185
Total APNIC prefixes after maximum aggregation: 33262
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 109354
Unique aggregates announced from the APNIC address blocks: 47195
APNIC Region origin ASes present in the Internet Routing Table: 4834
APNIC Prefixes per ASN: 22.62
APNIC Region origin ASes announcing only one prefix: 1236
APNIC Region transit ASes present in the Internet Routing Table: 809
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 729
Number of APNIC addresses announced to Internet: 728465152
Equivalent to 43 /8s, 107 /16s and 127 /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: 161751
Total ARIN prefixes after maximum aggregation: 81151
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162397
Unique aggregates announced from the ARIN address blocks: 75762
ARIN Region origin ASes present in the Internet Routing Table: 15867
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6005
ARIN Region transit ASes present in the Internet Routing Table: 1611
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 34
Number of ARIN addresses announced to Internet: 1072791808
Equivalent to 63 /8s, 241 /16s and 129 /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: 118544
Total RIPE prefixes after maximum aggregation: 60855
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122408
Unique aggregates announced from the RIPE address blocks: 78719
RIPE Region origin ASes present in the Internet Routing Table: 17491
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8288
RIPE Region transit ASes present in the Internet Routing Table: 2787
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2462
Number of RIPE addresses announced to Internet: 656610656
Equivalent to 39 /8s, 35 /16s and 21 /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: 52093
Total LACNIC prefixes after maximum aggregation: 9794
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57170
Unique aggregates announced from the LACNIC address blocks: 26892
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 381
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 22
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 887
Number of LACNIC addresses announced to Internet: 142573312
Equivalent to 8 /8s, 127 /16s and 127 /24s
Percentage of available LACNIC address space announced: 85.0
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: 11746
Total AfriNIC prefixes after maximum aggregation: 2588
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12389
Unique aggregates announced from the AfriNIC address blocks: 4028
AfriNIC Region origin ASes present in the Internet Routing Table: 675
AfriNIC Prefixes per ASN: 18.35
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 129
Average AfriNIC Region AS path length visible: 4.0
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: 48069888
Equivalent to 2 /8s, 221 /16s and 125 /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
17974 2714 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2098 319 111 TPG Internet Pty Ltd
4755 1770 391 186 TATA Communications formerly
9829 1542 1242 46 BSNL National Internet Backbo
9498 1211 309 74 BHARTI Airtel Ltd.
9583 1190 91 513 Sify Limited
7552 1156 1080 13 Vietel Corporation
24560 1094 380 163 Bharti Airtel Ltd., Telemedia
4808 1086 2024 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3054 3688 56 BellSouth.net Inc.
22773 2197 2939 139 Cox Communications, Inc.
18566 2058 379 178 MegaPath Corporation
1785 2038 684 132 PaeTec Communications, Inc.
20115 1683 1654 608 Charter Communications
4323 1638 1118 421 Time Warner Telecom
701 1503 11145 779 MCI Communications Services,
30036 1386 313 577 Mediacom Communications Corp
7018 1347 17796 880 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1873 544 17 OJSC "Vimpelcom"
34984 1362 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1128 417 850 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 888 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 783 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 677 798 55 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3450 1788 85 NET Servicos de Comunicao S.A
10620 2648 429 233 TVCABLE BOGOTA
7303 1727 1146 232 Telecom Argentina Stet-France
18881 1548 908 20 Global Village Telecom
8151 1346 2849 412 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6503 787 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 751 301 124 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/us/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 891 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 411 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 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/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3450 1788 85 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2714 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2648 429 233 TVCABLE BOGOTA
22773 2197 2939 139 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2098 319 111 TPG Internet Pty Ltd
18566 2058 379 178 MegaPath Corporation
1785 2038 684 132 PaeTec Communications, Inc.
8402 1873 544 17 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3054 2998 BellSouth.net Inc.
17974 2714 2625 PT TELEKOMUNIKASI INDONESIA
10620 2648 2415 TVCABLE BOGOTA
22773 2197 2058 Cox Communications, Inc.
7545 2098 1987 TPG Internet Pty Ltd
1785 2038 1906 PaeTec Communications, Inc.
18566 2058 1880 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1873 1856 OJSC "Vimpelcom"
4755 1770 1584 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 3257 Tiscali Intl Network
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
Complete listing at http://thyme.rand.apnic.net/us/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
/13:468 /14:913 /15:1610 /16:12782 /17:6668 /18:11084
/19:22852 /20:32572 /21:35308 /22:49299 /23:43342 /24:247050
/25:46 /26:38 /27:26 /28:38 /29:33 /30:173
/31:11 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1707 3054 BellSouth.net Inc.
8402 1544 1873 OJSC "Vimpelcom"
22773 1460 2197 Cox Communications, Inc.
30036 1231 1386 Mediacom Communications Corp
11492 1192 1232 Cable One
1785 1086 2038 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 972 1249 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:883 2:828 3:3 4:17 5:1022 6:21
8:615 12:1896 13:3 14:871 15:11 16:3
17:18 18:19 20:21 23:539 24:1742 27:1625
31:1494 32:43 33:2 34:5 36:83 37:1912
38:914 39:4 40:181 41:3240 42:263 44:13
46:2011 47:10 49:688 50:827 52:12 54:42
55:5 56:4 57:26 58:1085 59:568 60:373
61:1454 62:1221 63:1989 64:4343 65:2341 66:4147
67:2111 68:1105 69:3296 70:871 71:488 72:2045
74:2552 75:315 76:296 77:1162 78:1039 79:667
80:1289 81:1036 82:654 83:630 84:580 85:1254
86:382 87:1013 88:563 89:1555 90:150 91:5641
92:622 93:1605 94:2030 95:1601 96:507 97:345
98:1044 99:40 100:30 101:377 103:3520 105:527
106:142 107:213 108:513 109:1933 110:967 111:1104
112:583 113:808 114:723 115:985 116:987 117:803
118:1144 119:1253 120:328 121:730 122:1784 123:1234
124:1324 125:1438 128:636 129:214 130:315 131:657
132:359 133:157 134:544 135:67 136:278 137:238
138:350 139:171 140:170 141:319 142:530 143:395
144:497 145:88 146:517 147:390 148:709 149:367
150:135 151:587 152:411 153:205 154:51 155:501
156:288 157:370 158:278 159:689 160:360 161:452
162:842 163:205 164:629 165:579 166:258 167:634
168:1037 169:121 170:1118 171:182 172:27 173:1588
174:687 175:498 176:1295 177:2438 178:1957 179:215
180:1568 181:842 182:1330 183:463 184:668 185:1006
186:2626 187:1484 188:1863 189:1247 190:7100 192:6987
193:5414 194:4046 195:3366 196:1329 197:1060 198:4677
199:5446 200:6060 201:2459 202:8764 203:8783 204:4468
205:2626 206:2748 207:2764 208:3988 209:3638 210:2889
211:1558 212:2147 213:1988 214:895 215:91 216:5392
217:1685 218:618 219:316 220:1276 221:569 222:327
223:499
End of report
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