* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 04 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 466300
Prefixes after maximum aggregation: 187695
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233446
Total ASes present in the Internet Routing Table: 45248
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35328
Origin ASes announcing only one prefix: 16303
Transit ASes present in the Internet Routing Table: 5825
Transit-only ASes present in the Internet Routing Table: 143
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: 755
Unregistered ASNs in the Routing Table: 213
Number of 32-bit ASNs allocated by the RIRs: 5299
Number of 32-bit ASNs visible in the Routing Table: 4095
Prefixes from 32-bit ASNs in the Routing Table: 12662
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 941
Number of addresses announced to Internet: 2674503680
Equivalent to 159 /8s, 105 /16s and 176 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
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: 162602
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107493
Total APNIC prefixes after maximum aggregation: 33126
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110282
Unique aggregates announced from the APNIC address blocks: 47113
APNIC Region origin ASes present in the Internet Routing Table: 4850
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 727
Number of APNIC addresses announced to Internet: 728711168
Equivalent to 43 /8s, 111 /16s and 64 /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: 161330
Total ARIN prefixes after maximum aggregation: 81044
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162305
Unique aggregates announced from the ARIN address blocks: 75822
ARIN Region origin ASes present in the Internet Routing Table: 15865
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6015
ARIN Region transit ASes present in the Internet Routing Table: 1618
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: 33
Number of ARIN addresses announced to Internet: 1073262592
Equivalent to 63 /8s, 248 /16s and 176 /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: 119715
Total RIPE prefixes after maximum aggregation: 61052
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123343
Unique aggregates announced from the RIPE address blocks: 78915
RIPE Region origin ASes present in the Internet Routing Table: 17511
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8308
RIPE Region transit ASes present in the Internet Routing Table: 2810
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: 2453
Number of RIPE addresses announced to Internet: 656546304
Equivalent to 39 /8s, 34 /16s and 26 /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: 52089
Total LACNIC prefixes after maximum aggregation: 9773
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 57065
Unique aggregates announced from the LACNIC address blocks: 26830
LACNIC Region origin ASes present in the Internet Routing Table: 2025
LACNIC Prefixes per ASN: 28.18
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 374
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 876
Number of LACNIC addresses announced to Internet: 142163712
Equivalent to 8 /8s, 121 /16s and 63 /24s
Percentage of available LACNIC address space announced: 84.7
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: 11715
Total AfriNIC prefixes after maximum aggregation: 2570
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12362
Unique aggregates announced from the AfriNIC address blocks: 4003
AfriNIC Region origin ASes present in the Internet Routing Table: 670
AfriNIC Prefixes per ASN: 18.45
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 48077312
Equivalent to 2 /8s, 221 /16s and 154 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2709 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2140 11550 642 Korea Telecom (KIX)
7545 2092 319 112 TPG Internet Pty Ltd
4755 1801 401 184 TATA Communications formerly
9829 1552 1242 48 BSNL National Internet Backbo
9583 1243 94 512 Sify Limited
9498 1195 310 78 BHARTI Airtel Ltd.
7552 1155 1080 13 Vietel Corporation
24560 1093 380 166 Bharti Airtel Ltd., Telemedia
4808 1074 2023 316 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 3056 3688 56 BellSouth.net Inc.
22773 2190 2939 139 Cox Communications, Inc.
18566 2055 379 178 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1633 1118 422 Time Warner Telecom
701 1504 11145 781 MCI Communications Services,
30036 1388 313 578 Mediacom Communications Corp
7018 1346 17812 881 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 1757 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1120 409 846 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 887 99 49 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
6830 774 2328 426 UPC Distribution Services
8551 774 370 41 Bezeq International
12479 675 798 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 3427 1783 83 NET Servicos de Comunicao S.A
10620 2642 428 237 TVCABLE BOGOTA
7303 1724 1144 233 Telecom Argentina Stet-France
18881 1537 844 20 Global Village Telecom
8151 1334 2838 413 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 93 Telconet S.A
6147 792 373 27 Telefonica Del Peru
6503 784 434 62 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 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 3427 1783 83 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
17974 2709 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2642 428 237 TVCABLE BOGOTA
22773 2190 2939 139 Cox Communications, Inc.
4766 2140 11550 642 Korea Telecom (KIX)
7545 2092 319 112 TPG Internet Pty Ltd
18566 2055 379 178 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
36998 1854 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 3056 3000 BellSouth.net Inc.
17974 2709 2620 PT TELEKOMUNIKASI INDONESIA
10620 2642 2405 TVCABLE BOGOTA
22773 2190 2051 Cox Communications, Inc.
7545 2092 1980 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2055 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1757 1740 OJSC "Vimpelcom"
4755 1801 1617 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
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
23.91.14.0/24 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 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
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 /12:255
/13:472 /14:923 /15:1627 /16:12819 /17:6764 /18:11257
/19:22995 /20:32731 /21:35383 /22:49673 /23:43481 /24:247096
/25:9 /26:11 /27:12 /28:125 /29:223 /30:156
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1458 1757 OJSC "Vimpelcom"
22773 1456 2190 Cox Communications, Inc.
30036 1235 1388 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 967 1244 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:875 2:856 3:3 4:16 5:1016 6:21
8:609 12:1891 13:3 14:864 15:11 16:3
17:18 18:19 20:21 23:509 24:1740 27:1612
31:1501 32:40 33:2 34:5 36:81 37:1885
38:916 39:4 40:181 41:3231 42:243 44:14
46:2021 47:11 49:683 50:835 52:12 54:42
55:6 56:2 57:29 58:1077 59:573 60:370
61:1449 62:1212 63:1981 64:4366 65:2345 66:4137
67:2100 68:1102 69:3296 70:873 71:488 72:2037
74:2557 75:328 76:306 77:1146 78:1049 79:641
80:1296 81:1018 82:682 83:631 84:580 85:1251
86:421 87:1013 88:561 89:1602 90:150 91:5651
92:613 93:1599 94:2030 95:1591 96:509 97:346
98:1044 99:39 100:30 101:370 103:3502 105:528
106:142 107:214 108:516 109:1910 110:948 111:1105
112:585 113:808 114:724 115:1004 116:988 117:811
118:1168 119:1253 120:357 121:739 122:1787 123:1253
124:1345 125:1431 128:607 129:219 130:314 131:658
132:359 133:157 134:542 135:67 136:278 137:265
138:350 139:174 140:165 141:320 142:527 143:397
144:490 145:87 146:518 147:383 148:692 149:366
150:153 151:587 152:413 153:205 154:51 155:488
156:286 157:374 158:279 159:683 160:359 161:453
162:821 163:203 164:631 165:574 166:258 167:631
168:1039 169:127 170:1115 171:182 172:25 173:1605
174:687 175:502 176:1260 177:2371 178:1964 179:202
180:1575 181:795 182:1333 183:455 184:665 185:985
186:2675 187:1494 188:1829 189:1250 190:7228 192:7022
193:5411 194:4032 195:3353 196:1319 197:1030 198:4692
199:5443 200:6073 201:2524 202:8768 203:8837 204:4457
205:2627 206:2746 207:2759 208:3975 209:3633 210:2902
211:1560 212:2167 213:1985 214:886 215:92 216:5346
217:1685 218:617 219:316 220:1275 221:579 222:325
223:504
End of report
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