* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 12 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 466936
Prefixes after maximum aggregation: 188038
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233999
Total ASes present in the Internet Routing Table: 45284
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35338
Origin ASes announcing only one prefix: 16289
Transit ASes present in the Internet Routing Table: 5813
Transit-only ASes present in the Internet Routing Table: 137
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: 31786
Unregistered ASNs in the Routing Table: 5266
Number of 32-bit ASNs allocated by the RIRs: 5331
Number of 32-bit ASNs visible in the Routing Table: 4133
Prefixes from 32-bit ASNs in the Routing Table: 12848
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1047
Number of addresses announced to Internet: 2675668480
Equivalent to 159 /8s, 123 /16s and 118 /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: 162434
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107627
Total APNIC prefixes after maximum aggregation: 33226
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110495
Unique aggregates announced from the APNIC address blocks: 47407
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.82
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 737
Number of APNIC addresses announced to Internet: 729187584
Equivalent to 43 /8s, 118 /16s and 133 /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: 161498
Total ARIN prefixes after maximum aggregation: 81202
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162443
Unique aggregates announced from the ARIN address blocks: 75862
ARIN Region origin ASes present in the Internet Routing Table: 15873
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 1073201152
Equivalent to 63 /8s, 247 /16s and 192 /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: 119691
Total RIPE prefixes after maximum aggregation: 61108
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123345
Unique aggregates announced from the RIPE address blocks: 78951
RIPE Region origin ASes present in the Internet Routing Table: 17499
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8295
RIPE Region transit ASes present in the Internet Routing Table: 2809
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: 2467
Number of RIPE addresses announced to Internet: 656770048
Equivalent to 39 /8s, 37 /16s and 132 /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: 52042
Total LACNIC prefixes after maximum aggregation: 9778
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57095
Unique aggregates announced from the LACNIC address blocks: 26936
LACNIC Region origin ASes present in the Internet Routing Table: 2024
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 379
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: 889
Number of LACNIC addresses announced to Internet: 142614528
Equivalent to 8 /8s, 128 /16s and 32 /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: 11903
Total AfriNIC prefixes after maximum aggregation: 2582
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12510
Unique aggregates announced from the AfriNIC address blocks: 3989
AfriNIC Region origin ASes present in the Internet Routing Table: 676
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 47959552
Equivalent to 2 /8s, 219 /16s and 206 /24s
Percentage of available AfriNIC address space announced: 47.6
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 2713 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2059 319 111 TPG Internet Pty Ltd
4755 1805 401 187 TATA Communications formerly
9829 1518 1244 45 BSNL National Internet Backbo
9583 1235 94 513 Sify Limited
9498 1197 310 78 BHARTI Airtel Ltd.
7552 1156 1080 13 Vietel Corporation
24560 1094 380 163 Bharti Airtel Ltd., Telemedia
4808 1066 2019 313 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 2194 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
20115 1681 1652 606 Charter Communications
4323 1645 1114 420 Time Warner Telecom
701 1507 11147 785 MCI Communications Services,
30036 1386 313 577 Mediacom Communications Corp
7018 1344 17795 878 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 1930 544 17 OJSC "Vimpelcom"
34984 1363 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1146 424 863 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 886 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 795 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 677 798 55 Uni2 Autonomous System
9116 555 327 36 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 3450 1788 85 NET Servicos de Comunicao S.A
10620 2648 429 233 >>UNKNOWN<<
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1552 908 20 Global Village Telecom
8151 1345 2849 408 UniNet S.A. de C.V.
11830 866 364 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 750 301 123 >>UNKNOWN<<
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 883 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 416 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 249 921 213 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 3450 1788 85 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2713 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2648 429 233 >>UNKNOWN<<
22773 2194 2939 139 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2059 319 111 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
8402 1930 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 2713 2624 PT TELEKOMUNIKASI INDONESIA
10620 2648 2415 >>UNKNOWN<<
22773 2194 2055 Cox Communications, Inc.
7545 2059 1948 TPG Internet Pty Ltd
8402 1930 1913 OJSC "Vimpelcom"
1785 2038 1907 PaeTec Communications, Inc.
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1805 1618 TATA Communications formerly
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
13938 UNALLOCATED 12.33.114.0/24 7018 AT&T WorldNet Servic
13938 UNALLOCATED 12.41.54.0/24 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/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 /14:925 /15:1627 /16:12806 /17:6781 /18:11280
/19:23106 /20:32802 /21:35420 /22:49422 /23:43495 /24:247720
/25:8 /26:11 /27:12 /28:125 /29:224 /30:154
/31:0 /32:140
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 1599 1930 OJSC "Vimpelcom"
22773 1457 2194 Cox Communications, Inc.
30036 1231 1386 Mediacom Communications Corp
11492 1189 1227 Cable One
1785 1086 2038 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 966 1243 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:894 2:890 3:3 4:16 5:1023 6:21
8:611 12:1901 13:3 14:874 15:11 16:3
17:18 18:19 20:21 23:546 24:1742 27:1635
31:1506 32:40 33:2 34:5 36:84 37:1917
38:914 39:5 40:181 41:3325 42:261 44:14
46:2019 47:11 49:688 50:833 52:12 54:42
55:5 56:4 57:29 58:1087 59:570 60:374
61:1452 62:1240 63:1979 64:4343 65:2345 66:4153
67:2113 68:1108 69:3276 70:874 71:489 72:2044
74:2557 75:325 76:307 77:1134 78:1041 79:665
80:1301 81:1037 82:662 83:643 84:581 85:1250
86:419 87:1009 88:559 89:1577 90:150 91:5640
92:614 93:1612 94:2041 95:1638 96:511 97:346
98:1037 99:39 100:30 101:377 103:3551 105:527
106:142 107:215 108:518 109:1939 110:963 111:1110
112:586 113:806 114:724 115:1005 116:986 117:814
118:1174 119:1273 120:328 121:741 122:1785 123:1244
124:1335 125:1432 128:641 129:220 130:315 131:657
132:357 133:157 134:544 135:72 136:283 137:240
138:350 139:174 140:170 141:318 142:529 143:399
144:497 145:89 146:518 147:399 148:705 149:367
150:137 151:587 152:411 153:206 154:52 155:499
156:289 157:370 158:279 159:690 160:360 161:453
162:839 163:205 164:629 165:577 166:259 167:633
168:1036 169:124 170:1118 171:182 172:27 173:1584
174:686 175:509 176:1280 177:2406 178:1964 179:215
180:1580 181:842 182:1343 183:461 184:668 185:1008
186:2623 187:1458 188:1874 189:1242 190:7095 192:6977
193:5419 194:4048 195:3366 196:1326 197:1093 198:4690
199:5447 200:6060 201:2459 202:8808 203:8805 204:4466
205:2621 206:2751 207:2761 208:4001 209:3641 210:2895
211:1559 212:2175 213:1999 214:896 215:91 216:5385
217:1686 218:616 219:316 220:1274 221:582 222:325
223:506
End of report
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