* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 17 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464382
Prefixes after maximum aggregation: 187697
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232820
Total ASes present in the Internet Routing Table: 41060
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35236
Origin ASes announcing only one prefix: 16292
Transit ASes present in the Internet Routing Table: 5817
Transit-only ASes present in the Internet Routing Table: 139
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: 320
Unregistered ASNs in the Routing Table: 173
Number of 32-bit ASNs allocated by the RIRs: 5194
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12394
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 757
Number of addresses announced to Internet: 2669193472
Equivalent to 159 /8s, 24 /16s and 169 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
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: 161981
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107148
Total APNIC prefixes after maximum aggregation: 33070
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109840
Unique aggregates announced from the APNIC address blocks: 46724
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 819
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: 1
Number of APNIC addresses announced to Internet: 726947072
Equivalent to 43 /8s, 84 /16s and 85 /24s
Percentage of available APNIC address space announced: 85.0
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: 161619
Total ARIN prefixes after maximum aggregation: 80981
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162151
Unique aggregates announced from the ARIN address blocks: 75931
ARIN Region origin ASes present in the Internet Routing Table: 15842
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6020
ARIN Region transit ASes present in the Internet Routing Table: 1617
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1073100032
Equivalent to 63 /8s, 246 /16s and 53 /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: 119070
Total RIPE prefixes after maximum aggregation: 61262
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122677
Unique aggregates announced from the RIPE address blocks: 79033
RIPE Region origin ASes present in the Internet Routing Table: 17461
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8273
RIPE Region transit ASes present in the Internet Routing Table: 2796
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656459008
Equivalent to 39 /8s, 32 /16s and 197 /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: 51574
Total LACNIC prefixes after maximum aggregation: 9744
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 56575
Unique aggregates announced from the LACNIC address blocks: 26507
LACNIC Region origin ASes present in the Internet Routing Table: 2031
LACNIC Prefixes per ASN: 27.86
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 372
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140519424
Equivalent to 8 /8s, 96 /16s and 40 /24s
Percentage of available LACNIC address space announced: 83.8
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: 11731
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12380
Unique aggregates announced from the AfriNIC address blocks: 3988
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 1
Number of AfriNIC addresses announced to Internet: 47788288
Equivalent to 2 /8s, 217 /16s and 49 /24s
Percentage of available AfriNIC address space announced: 47.5
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 90 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
4755 1792 400 183 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9583 1240 94 511 Sify Limited
9498 1213 310 80 BHARTI Airtel Ltd.
7552 1160 1146 10 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1076 2022 312 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 3057 3688 56 BellSouth.net Inc.
22773 2174 2943 141 Cox Communications, Inc.
18566 2063 382 183 Covad Communications
1785 2025 680 128 PaeTec Communications, Inc.
20115 1678 1652 615 Charter Communications
4323 1624 1120 423 Time Warner Telecom
701 1509 11145 786 UUNET Technologies, Inc.
30036 1387 311 569 Mediacom Communications Corp
7018 1340 17523 867 AT&T WorldNet Services
6983 1294 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 1738 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1072 396 822 Akamai Technologies European
31148 995 44 20 FreeNet ISP
6830 893 2332 427 UPC Distribution Services
13188 879 99 62 TOV "Bank-Inform"
8551 770 370 41 Bezeq International
12479 687 799 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 539 246 16 Avatar Broadband Limited
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 3416 1772 91 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1472 844 20 Global Village Telecom
8151 1329 2817 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 813 94 91 Telconet S.A
6147 802 373 27 Telefonica Del Peru
6503 785 434 64 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 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
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 3416 1772 91 NET Servicos de Comunicao S.A
6389 3057 3688 56 BellSouth.net Inc.
17974 2713 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2174 2943 141 Cox Communications, Inc.
4766 2141 11555 644 Korea Telecom (KIX)
7545 2078 319 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
1785 2025 680 128 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
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 3057 3001 BellSouth.net Inc.
17974 2713 2623 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2174 2033 Cox Communications, Inc.
7545 2078 1966 TPG Internet Pty Ltd
1785 2025 1897 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1738 1721 OJSC "Vimpelcom"
4755 1792 1609 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
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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 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
10.1.1.48/29 0 *
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
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 36086 Broad Communications Technolo
23.91.0.0/19 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 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 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 /12:252
/13:480 /14:914 /15:1626 /16:12797 /17:6729 /18:11190
/19:22960 /20:32643 /21:35216 /22:49503 /23:42621 /24:246645
/25:9 /26:11 /27:11 /28:125 /29:216 /30:143
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3057 BellSouth.net Inc.
8402 1445 1738 OJSC "Vimpelcom"
22773 1444 2174 Cox Communications, Inc.
30036 1240 1387 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1088 2025 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 963 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:841 2:819 3:3 4:16 5:985 6:20
8:606 12:1892 13:3 14:851 15:11 16:3
17:17 18:19 20:21 23:471 24:1714 27:1616
31:1481 32:40 33:2 34:5 36:81 37:1816
38:908 39:3 40:179 41:3273 42:239 44:12
46:2018 47:7 49:682 50:826 52:12 54:39
55:4 56:2 57:29 58:1091 59:570 60:355
61:1461 62:1191 63:1976 64:4548 65:2343 66:4145
67:2116 68:1097 69:3276 70:873 71:495 72:2017
74:2566 75:326 76:306 77:1129 78:1076 79:648
80:1334 81:1015 82:635 83:588 84:608 85:1212
86:454 87:1018 88:561 89:1746 90:157 91:5650
92:611 93:1604 94:2034 95:1629 96:519 97:343
98:1048 99:39 100:30 101:364 103:3392 105:522
106:143 107:211 108:493 109:1905 110:964 111:1122
112:573 113:788 114:695 115:988 116:972 117:804
118:1172 119:1261 120:366 121:739 122:1793 123:1223
124:1347 125:1430 128:599 129:213 130:310 131:662
132:340 133:158 134:537 135:67 136:277 137:237
138:348 139:174 140:170 141:314 142:533 143:410
144:497 145:96 146:514 147:392 148:696 149:351
150:155 151:602 152:414 153:201 154:51 155:487
156:281 157:375 158:283 159:686 160:355 161:449
162:785 163:206 164:628 165:558 166:258 167:622
168:1037 169:127 170:1118 171:190 172:25 173:1615
174:679 175:500 176:1232 177:2357 178:1927 179:176
180:1566 181:740 182:1329 183:466 184:654 185:942
186:2589 187:1487 188:1876 189:1289 190:7190 192:7000
193:5402 194:4032 195:3316 196:1329 197:1032 198:4684
199:5438 200:6072 201:2535 202:8768 203:8824 204:4463
205:2611 206:2744 207:2848 208:3992 209:3633 210:2891
211:1567 212:2205 213:2015 214:880 215:93 216:5331
217:1683 218:612 219:308 220:1275 221:570 222:324
223:493
End of report
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