* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 14 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 469207
Prefixes after maximum aggregation: 187969
Deaggregation factor: 2.50
Unique aggregates announced to Internet: 234130
Total ASes present in the Internet Routing Table: 45311
Prefixes per ASN: 10.36
Origin-only ASes present in the Internet Routing Table: 35372
Origin ASes announcing only one prefix: 16309
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 8388
Unregistered ASNs in the Routing Table: 738
Number of 32-bit ASNs allocated by the RIRs: 5339
Number of 32-bit ASNs visible in the Routing Table: 4143
Prefixes from 32-bit ASNs in the Routing Table: 12894
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1145
Number of addresses announced to Internet: 2675848448
Equivalent to 159 /8s, 126 /16s and 53 /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: 95.1
Total number of prefixes smaller than registry allocations: 164114
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107696
Total APNIC prefixes after maximum aggregation: 33221
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110555
Unique aggregates announced from the APNIC address blocks: 47441
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.82
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 741
Number of APNIC addresses announced to Internet: 728876800
Equivalent to 43 /8s, 113 /16s and 199 /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: 161737
Total ARIN prefixes after maximum aggregation: 81295
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162650
Unique aggregates announced from the ARIN address blocks: 76045
ARIN Region origin ASes present in the Internet Routing Table: 15872
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1595
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: 34
Number of ARIN addresses announced to Internet: 1073530112
Equivalent to 63 /8s, 252 /16s and 197 /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: 121316
Total RIPE prefixes after maximum aggregation: 60914
RIPE Deaggregation factor: 1.99
Prefixes being announced from the RIPE address blocks: 124908
Unique aggregates announced from the RIPE address blocks: 78755
RIPE Region origin ASes present in the Internet Routing Table: 17506
RIPE Prefixes per ASN: 7.14
RIPE Region origin ASes announcing only one prefix: 8303
RIPE Region transit ASes present in the Internet Routing Table: 2800
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2472
Number of RIPE addresses announced to Internet: 656669184
Equivalent to 39 /8s, 35 /16s and 250 /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: 52323
Total LACNIC prefixes after maximum aggregation: 9797
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57400
Unique aggregates announced from the LACNIC address blocks: 26945
LACNIC Region origin ASes present in the Internet Routing Table: 2026
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 376
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: 890
Number of LACNIC addresses announced to Internet: 142722816
Equivalent to 8 /8s, 129 /16s and 199 /24s
Percentage of available LACNIC address space announced: 85.1
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: 11928
Total AfriNIC prefixes after maximum aggregation: 2595
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12548
Unique aggregates announced from the AfriNIC address blocks: 4010
AfriNIC Region origin ASes present in the Internet Routing Table: 683
AfriNIC Prefixes per ASN: 18.37
AfriNIC Region origin ASes announcing only one prefix: 203
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 6
Number of AfriNIC addresses announced to Internet: 48054528
Equivalent to 2 /8s, 221 /16s and 65 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2711 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2136 11550 641 Korea Telecom (KIX)
7545 2081 319 112 TPG Internet Pty Ltd
4755 1804 401 187 TATA Communications formerly
9829 1539 1245 45 BSNL National Internet Backbo
9583 1230 94 506 Sify Limited
9498 1198 310 78 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1095 380 163 Bharti Airtel Ltd., Telemedia
4808 1067 2019 314 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 3054 3688 56 BellSouth.net Inc.
22773 2195 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1683 1653 608 Charter Communications
4323 1645 1114 419 Time Warner Telecom
701 1508 11147 786 MCI Communications Services,
30036 1384 312 579 Mediacom Communications Corp
7018 1341 17795 880 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
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 1910 544 17 OJSC "Vimpelcom"
3352 1883 2396 44 Ibernet, Internet Access Netw
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1146 423 864 Akamai Technologies European
31148 1006 44 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 775 2328 427 UPC Distribution Services
12479 679 798 55 Uni2 Autonomous System
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 3437 1791 87 NET Servicos de Comunicao S.A
10620 2652 430 226 >>UNKNOWN<<
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1549 908 20 Global Village Telecom
8151 1348 2851 409 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 814 373 27 Telefonica Del Peru
6503 789 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia 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 887 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 417 956 9 TEDATA
24835 297 144 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
37054 211 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 3437 1791 87 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2652 430 226 >>UNKNOWN<<
22773 2195 2939 139 Cox Communications, Inc.
4766 2136 11550 641 Korea Telecom (KIX)
7545 2081 319 112 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1910 544 17 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 3054 2998 BellSouth.net Inc.
17974 2711 2622 PT TELEKOMUNIKASI INDONESIA
10620 2652 2426 >>UNKNOWN<<
22773 2195 2056 Cox Communications, Inc.
7545 2081 1969 TPG Internet Pty Ltd
1785 2039 1909 PaeTec Communications, Inc.
8402 1910 1893 OJSC "Vimpelcom"
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
3352 1883 1839 Ibernet, Internet Access Netw
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
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
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.
23.90.192.0/18 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.
23.91.160.0/22 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
/13:472 /14:924 /15:1626 /16:12796 /17:6760 /18:11259
/19:23082 /20:32816 /21:35624 /22:49723 /23:44123 /24:248942
/25:9 /26:11 /27:11 /28:123 /29:216 /30:150
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2054 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1707 3054 BellSouth.net Inc.
8402 1581 1910 OJSC "Vimpelcom"
3352 1475 1883 Ibernet, Internet Access Netw
22773 1457 2195 Cox Communications, Inc.
30036 1230 1384 Mediacom Communications Corp
11492 1190 1228 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:895 2:897 3:3 4:16 5:1035 6:21
8:612 12:1898 13:3 14:872 15:11 16:3
17:17 18:19 20:21 23:559 24:1742 27:1630
31:1449 32:40 33:2 34:5 36:84 37:1919
38:914 39:5 40:182 41:3323 42:263 44:14
46:2020 47:11 49:687 50:837 52:12 54:43
55:7 56:4 57:29 58:1087 59:569 60:374
61:1452 62:1238 63:1978 64:4333 65:2344 66:4146
67:2113 68:1108 69:3283 70:873 71:488 72:2043
74:2562 75:325 76:307 77:1126 78:1029 79:674
80:1643 81:1147 82:669 83:674 84:575 85:1256
86:381 87:1009 88:619 89:1556 90:150 91:5661
92:622 93:1606 94:2033 95:1636 96:512 97:346
98:1038 99:40 100:31 101:382 103:3564 105:527
106:141 107:217 108:518 109:1946 110:963 111:1111
112:588 113:806 114:726 115:1004 116:993 117:817
118:1176 119:1258 120:328 121:741 122:1786 123:1258
124:1361 125:1432 128:640 129:235 130:315 131:654
132:357 133:158 134:547 135:72 136:282 137:245
138:352 139:174 140:167 141:318 142:530 143:420
144:493 145:89 146:519 147:402 148:716 149:367
150:137 151:650 152:411 153:206 154:53 155:507
156:290 157:369 158:280 159:693 160:360 161:453
162:853 163:202 164:625 165:582 166:259 167:633
168:1038 169:123 170:1118 171:184 172:27 173:1594
174:687 175:503 176:1298 177:2451 178:1972 179:293
180:1588 181:864 182:1374 183:462 184:667 185:1015
186:2647 187:1447 188:1859 189:1260 190:7266 192:6982
193:5418 194:4047 195:3365 196:1336 197:1094 198:4697
199:5451 200:6051 201:2514 202:8808 203:8824 204:4465
205:2627 206:2748 207:2762 208:4007 209:3637 210:2899
211:1559 212:2197 213:1984 214:903 215:91 216:5416
217:1688 218:617 219:316 220:1273 221:578 222:325
223:508
End of report
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