* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 29 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469486
Prefixes after maximum aggregation: 188219
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234610
Total ASes present in the Internet Routing Table: 41239
Prefixes per ASN: 11.38
Origin-only ASes present in the Internet Routing Table: 35430
Origin ASes announcing only one prefix: 16318
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 140
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1016
Unregistered ASNs in the Routing Table: 282
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: 13236
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1252
Number of addresses announced to Internet: 2677067776
Equivalent to 159 /8s, 144 /16s and 208 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
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: 163726
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108229
Total APNIC prefixes after maximum aggregation: 33340
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111167
Unique aggregates announced from the APNIC address blocks: 47645
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.96
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 727944960
Equivalent to 43 /8s, 99 /16s and 143 /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: 162510
Total ARIN prefixes after maximum aggregation: 81267
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163399
Unique aggregates announced from the ARIN address blocks: 75799
ARIN Region origin ASes present in the Internet Routing Table: 15889
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6019
ARIN Region transit ASes present in the Internet Routing Table: 1590
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1073680640
Equivalent to 63 /8s, 255 /16s and 17 /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: 119671
Total RIPE prefixes after maximum aggregation: 61011
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123365
Unique aggregates announced from the RIPE address blocks: 78907
RIPE Region origin ASes present in the Internet Routing Table: 17528
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8311
RIPE Region transit ASes present in the Internet Routing Table: 2802
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 655928320
Equivalent to 39 /8s, 24 /16s and 172 /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: 52559
Total LACNIC prefixes after maximum aggregation: 9815
LACNIC Deaggregation factor: 5.35
Prefixes being announced from the LACNIC address blocks: 57773
Unique aggregates announced from the LACNIC address blocks: 27235
LACNIC Region origin ASes present in the Internet Routing Table: 2033
LACNIC Prefixes per ASN: 28.42
LACNIC Region origin ASes announcing only one prefix: 549
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144517888
Equivalent to 8 /8s, 157 /16s and 43 /24s
Percentage of available LACNIC address space announced: 86.1
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: 11884
Total AfriNIC prefixes after maximum aggregation: 2580
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12529
Unique aggregates announced from the AfriNIC address blocks: 4009
AfriNIC Region origin ASes present in the Internet Routing Table: 686
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 139
Average AfriNIC Region AS path length visible: 3.4
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: 48518912
Equivalent to 2 /8s, 228 /16s and 87 /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
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2137 11550 641 Korea Telecom (KIX)
7545 2085 319 110 TPG Internet Pty Ltd
4755 1808 401 186 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1239 95 508 Sify Limited
9498 1215 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1062 2014 311 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/london/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 2210 2939 137 Cox Communications, Inc.
18566 2050 379 177 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1682 1653 602 Charter Communications
4323 1653 1114 422 Time Warner Telecom
701 1507 11144 783 MCI Communications Services,
7029 1466 1257 164 Windstream Communications Inc
30036 1388 313 582 Mediacom Communications Corp
7018 1342 17798 881 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1864 544 16 OJSC "Vimpelcom"
34984 1368 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1203 458 896 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 798 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 680 798 53 Uni2 Autonomous System
9116 554 326 35 Goldenlines main autonomous s
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3397 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 1706 908 20 Global Village Telecom
8151 1347 2850 414 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 820 94 91 Telconet S.A
6147 791 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 779 434 60 AVANTEL, S.A.
Complete listing at http://thyme.rand.apnic.net/london/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
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
37054 212 11 5 Data Telecom Service
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3397 1807 90 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2210 2939 137 Cox Communications, Inc.
4766 2137 11550 641 Korea Telecom (KIX)
7545 2085 319 110 TPG Internet Pty Ltd
18566 2050 379 177 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
8402 1864 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/london/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 2210 2073 Cox Communications, Inc.
7545 2085 1975 TPG Internet Pty Ltd
1785 2044 1912 PaeTec Communications, Inc.
18566 2050 1873 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1864 1848 OJSC "Vimpelcom"
18881 1706 1686 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/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 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
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
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 IANA Private Address Space
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
203.0.113.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/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.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:11 /10:32 /11:92 /12:254
/13:473 /14:927 /15:1631 /16:12817 /17:6802 /18:11253
/19:23144 /20:33038 /21:35520 /22:49653 /23:43733 /24:249423
/25:8 /26:11 /27:12 /28:124 /29:219 /30:152
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1554 1864 OJSC "Vimpelcom"
22773 1464 2210 Cox Communications, Inc.
30036 1230 1388 Mediacom Communications Corp
11492 1192 1230 Cable One
1785 1088 2044 PaeTec Communications, Inc.
7029 1045 1466 Windstream Communications Inc
6983 1035 1293 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:903 2:887 3:3 4:16 5:1024 6:21
8:605 12:1874 13:3 14:876 15:11 16:3
17:18 18:19 20:25 23:601 24:1758 27:1704
31:1529 32:40 33:2 34:5 36:87 37:1939
38:912 39:5 40:185 41:3340 42:297 44:14
46:2035 47:11 49:687 50:854 52:12 54:44
55:5 56:4 57:29 58:1093 59:577 60:365
61:1465 62:1252 63:1973 64:4393 65:2354 66:4247
67:2099 68:1102 69:3297 70:949 71:514 72:2023
74:2631 75:394 76:304 77:1186 78:1039 79:664
80:1277 81:1048 82:634 83:682 84:585 85:1248
86:380 87:1022 88:549 89:1550 90:153 91:5691
92:612 93:1607 94:2081 95:1520 96:516 97:347
98:1085 99:41 100:29 101:406 103:3693 105:530
106:143 107:218 108:519 109:1997 110:975 111:1112
112:578 113:801 114:746 115:1018 116:990 117:801
118:1197 119:1271 120:333 121:739 122:1783 123:1264
124:1381 125:1430 128:620 129:222 130:336 131:645
132:347 133:158 134:292 135:72 136:277 137:245
138:351 139:178 140:172 141:323 142:534 143:393
144:495 145:90 146:540 147:405 148:730 149:370
150:152 151:664 152:412 153:207 154:54 155:501
156:303 157:369 158:283 159:694 160:361 161:452
162:914 163:206 164:617 165:582 166:283 167:637
168:1036 169:124 170:1108 171:185 172:11 173:1662
174:716 175:512 176:1322 177:2539 178:1873 179:293
180:1587 181:867 182:1402 183:472 184:640 185:1077
186:2633 187:1456 188:1853 189:1254 190:7278 192:7015
193:5433 194:4030 195:3359 196:1338 197:1062 198:4692
199:5469 200:6043 201:2522 202:8803 203:8801 204:4470
205:2628 206:2762 207:2744 208:3951 209:3658 210:2919
211:1569 212:2155 213:2006 214:890 215:86 216:5409
217:1702 218:621 219:316 220:1276 221:585 222:324
223:509
End of report
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