* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 26 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 461237
Prefixes after maximum aggregation: 187381
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 231714
Total ASes present in the Internet Routing Table: 40982
Prefixes per ASN: 11.25
Origin-only ASes present in the Internet Routing Table: 35205
Origin ASes announcing only one prefix: 16313
Transit ASes present in the Internet Routing Table: 5770
Transit-only ASes present in the Internet Routing Table: 138
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: 2816
Unregistered ASNs in the Routing Table: 508
Number of 32-bit ASNs allocated by the RIRs: 5092
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12021
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 581
Number of addresses announced to Internet: 2664374272
Equivalent to 158 /8s, 207 /16s and 32 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 159748
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 106693
Total APNIC prefixes after maximum aggregation: 32987
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109330
Unique aggregates announced from the APNIC address blocks: 46543
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.59
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 817
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 726324480
Equivalent to 43 /8s, 74 /16s and 213 /24s
Percentage of available APNIC address space announced: 84.9
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: 161562
Total ARIN prefixes after maximum aggregation: 81021
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162147
Unique aggregates announced from the ARIN address blocks: 75641
ARIN Region origin ASes present in the Internet Routing Table: 15845
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6028
ARIN Region transit ASes present in the Internet Routing Table: 1596
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: 1072517120
Equivalent to 63 /8s, 237 /16s and 80 /24s
Percentage of available ARIN address space announced: 56.7
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: 119143
Total RIPE prefixes after maximum aggregation: 61146
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122738
Unique aggregates announced from the RIPE address blocks: 78864
RIPE Region origin ASes present in the Internet Routing Table: 17429
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8271
RIPE Region transit ASes present in the Internet Routing Table: 2776
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656824064
Equivalent to 39 /8s, 38 /16s and 87 /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: 51380
Total LACNIC prefixes after maximum aggregation: 9630
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 56185
Unique aggregates announced from the LACNIC address blocks: 26203
LACNIC Region origin ASes present in the Internet Routing Table: 2014
LACNIC Prefixes per ASN: 27.90
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 364
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: 139086848
Equivalent to 8 /8s, 74 /16s and 76 /24s
Percentage of available LACNIC address space announced: 82.9
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: 9637
Total AfriNIC prefixes after maximum aggregation: 2524
AfriNIC Deaggregation factor: 3.82
Prefixes being announced from the AfriNIC address blocks: 10255
Unique aggregates announced from the AfriNIC address blocks: 3955
AfriNIC Region origin ASes present in the Internet Routing Table: 656
AfriNIC Prefixes per ASN: 15.63
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 3.2
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: 46045184
Equivalent to 2 /8s, 190 /16s and 152 /24s
Percentage of available AfriNIC address space announced: 45.7
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 2679 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2070 321 112 TPG Internet Pty Ltd
4755 1753 391 185 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9498 1193 309 72 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
9583 1107 84 565 Sify Limited
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1074 2021 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 3066 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
20115 1679 1651 627 Charter Communications
4323 1613 1119 410 Time Warner Telecom
701 1522 11149 795 UUNET Technologies, Inc.
30036 1342 303 626 Mediacom Communications Corp
7018 1310 11260 828 AT&T WorldNet Services
6983 1279 755 583 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 1728 544 17 OJSC "Vimpelcom"
34984 1362 244 227 TELLCOM ILETISIM HIZMETLERI A
20940 1034 381 793 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 896 2367 428 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 756 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 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 3388 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 249 TVCABLE BOGOTA
7303 1718 1137 229 Telecom Argentina Stet-France
18881 1436 844 20 Global Village Telecom
8151 1315 2798 410 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 810 94 95 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 740 376 21 Telefonica Del Peru
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
24863 868 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 434 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
29975 192 668 21 Vodacom
12258 183 27 65 Vodacom Internet Company
37054 164 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 3388 1732 94 NET Servicos de Comunicao S.A
6389 3066 3689 62 BellSouth.net Inc.
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 249 TVCABLE BOGOTA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2070 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2042 2933 125 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
4755 1753 391 185 TATA Communications formerly
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 3066 3004 BellSouth.net Inc.
17974 2679 2588 PT TELEKOMUNIKASI INDONESIA
10620 2576 2327 TVCABLE BOGOTA
7545 2070 1958 TPG Internet Pty Ltd
22773 2042 1917 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
8402 1728 1711 OJSC "Vimpelcom"
4755 1753 1568 TATA Communications formerly
9829 1550 1510 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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
14764 UNALLOCATED 12.108.237.0/24 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 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
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
23.91.168.0/22 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 /11:93 /12:251
/13:477 /14:911 /15:1627 /16:12766 /17:6732 /18:11123
/19:22920 /20:32649 /21:35130 /22:49193 /23:42573 /24:244094
/25:9 /26:11 /27:11 /28:130 /29:213 /30:131
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
6389 1711 3066 BellSouth.net Inc.
8402 1451 1728 OJSC "Vimpelcom"
22773 1328 2042 Cox Communications, Inc.
30036 1200 1342 Mediacom Communications Corp
11492 1188 1229 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1020 1279 ITC^Deltacom
22561 962 1239 Digital Teleport, Inc
7011 932 1175 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:824 2:879 3:3 4:16 5:973 6:19
8:598 12:1893 13:3 14:840 15:11 16:3
17:13 18:19 20:21 23:443 24:1738 27:1586
31:1475 32:40 33:2 34:5 36:80 37:1832
38:903 39:3 40:179 41:2432 42:249 44:13
46:1998 47:6 49:676 50:835 52:12 54:39
55:8 57:29 58:1089 59:603 60:342 61:1403
62:1189 63:1986 64:4541 65:2352 66:4179 67:2081
68:1085 69:3313 70:868 71:494 72:2002 74:2555
75:330 76:302 77:1139 78:1066 79:634 80:1320
81:1031 82:634 83:583 84:585 85:1236 86:453
87:999 88:554 89:1722 90:158 91:5667 92:602
93:1615 94:1983 95:1601 96:517 97:343 98:1041
99:40 100:30 101:358 103:3328 105:8 106:142
107:208 108:492 109:1883 110:954 111:1121 112:572
113:797 114:698 115:985 116:964 117:797 118:1168
119:1261 120:355 121:732 122:1804 123:1253 124:1323
125:1427 128:582 129:302 130:308 131:644 132:342
133:162 134:530 135:67 136:272 137:263 138:347
139:178 140:156 141:312 142:535 143:405 144:494
145:99 146:509 147:481 148:687 149:355 150:158
151:592 152:410 153:196 154:47 155:485 156:276
157:371 158:285 159:679 160:348 161:425 162:718
163:210 164:634 165:569 166:257 167:618 168:1041
169:127 170:1079 171:201 172:25 173:1610 174:666
175:489 176:1206 177:2282 178:1888 179:145 180:1528
181:739 182:1271 183:463 184:652 185:883 186:2568
187:1450 188:1904 189:1330 190:7118 192:6895 193:5632
194:4077 195:3338 196:1284 197:533 198:4628 199:5434
200:6035 201:2531 202:8782 203:8843 204:4443 205:2613
206:2787 207:2834 208:4004 209:3624 210:2819 211:1548
212:2289 213:2011 214:924 215:99 216:5312 217:1658
218:611 219:308 220:1274 221:545 222:324 223:487
End of report
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