* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 17 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 467376
Prefixes after maximum aggregation: 187858
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234231
Total ASes present in the Internet Routing Table: 45323
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35350
Origin ASes announcing only one prefix: 16321
Transit ASes present in the Internet Routing Table: 5813
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: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 918
Unregistered ASNs in the Routing Table: 264
Number of 32-bit ASNs allocated by the RIRs: 5359
Number of 32-bit ASNs visible in the Routing Table: 4160
Prefixes from 32-bit ASNs in the Routing Table: 12985
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1095
Number of addresses announced to Internet: 2675695360
Equivalent to 159 /8s, 123 /16s and 223 /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: 95.2
Total number of prefixes smaller than registry allocations: 162607
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107619
Total APNIC prefixes after maximum aggregation: 33179
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110538
Unique aggregates announced from the APNIC address blocks: 47457
APNIC Region origin ASes present in the Internet Routing Table: 4836
APNIC Prefixes per ASN: 22.86
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 813
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: 747
Number of APNIC addresses announced to Internet: 728797440
Equivalent to 43 /8s, 112 /16s and 145 /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: 161678
Total ARIN prefixes after maximum aggregation: 81195
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162531
Unique aggregates announced from the ARIN address blocks: 75980
ARIN Region origin ASes present in the Internet Routing Table: 15865
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6010
ARIN Region transit ASes present in the Internet Routing Table: 1593
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: 36
Number of ARIN addresses announced to Internet: 1073078528
Equivalent to 63 /8s, 245 /16s and 225 /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: 119491
Total RIPE prefixes after maximum aggregation: 60938
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123186
Unique aggregates announced from the RIPE address blocks: 78851
RIPE Region origin ASes present in the Internet Routing Table: 17516
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8319
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2479
Number of RIPE addresses announced to Internet: 656718592
Equivalent to 39 /8s, 36 /16s and 187 /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: 52553
Total LACNIC prefixes after maximum aggregation: 9801
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57685
Unique aggregates announced from the LACNIC address blocks: 27052
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 28.43
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 384
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: 892
Number of LACNIC addresses announced to Internet: 143016960
Equivalent to 8 /8s, 134 /16s and 68 /24s
Percentage of available LACNIC address space announced: 85.2
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: 11720
Total AfriNIC prefixes after maximum aggregation: 2593
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12340
Unique aggregates announced from the AfriNIC address blocks: 4007
AfriNIC Region origin ASes present in the Internet Routing Table: 675
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 200
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: 48002560
Equivalent to 2 /8s, 220 /16s and 118 /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 2712 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2081 319 110 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1230 94 506 Sify Limited
9498 1216 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1063 2021 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 3049 3688 54 BellSouth.net Inc.
22773 2201 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1644 1114 419 Time Warner Telecom
701 1507 11147 785 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1341 17795 878 AT&T WorldNet Services
6983 1294 756 579 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 1875 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1150 426 868 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 894 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 792 370 41 Bezeq International
6830 777 2329 429 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
9116 554 326 35 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 3414 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1346 2851 411 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 813 373 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 552 633 26 Itissalat Al-MAGHRIB
8452 419 956 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
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 3414 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2201 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2081 319 110 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2039 685 130 PaeTec Communications, Inc.
8402 1875 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 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2201 2062 Cox Communications, Inc.
7545 2081 1971 TPG Internet Pty Ltd
1785 2039 1909 PaeTec Communications, Inc.
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1875 1858 OJSC "Vimpelcom"
18881 1621 1601 Global Village Telecom
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 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.
23.91.0.0/19 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
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 /14:924 /15:1628 /16:12797 /17:6774 /18:11269
/19:23074 /20:32895 /21:35436 /22:49431 /23:43459 /24:248125
/25:11 /26:11 /27:14 /28:127 /29:225 /30:154
/31:0 /32:143
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 1704 3049 BellSouth.net Inc.
8402 1549 1875 OJSC "Vimpelcom"
22773 1460 2201 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1086 2039 PaeTec Communications, Inc.
6983 1035 1294 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:895 2:866 3:3 4:16 5:1024 6:21
8:614 12:1881 13:3 14:874 15:11 16:3
17:15 18:19 20:21 23:561 24:1745 27:1623
31:1453 32:40 33:2 34:5 36:86 37:1924
38:913 39:5 40:182 41:3230 42:270 44:14
46:2022 47:11 49:689 50:835 52:12 54:43
55:6 56:4 57:29 58:1079 59:566 60:377
61:1451 62:1240 63:1969 64:4323 65:2341 66:4146
67:2113 68:1107 69:3265 70:875 71:488 72:2043
74:2569 75:325 76:307 77:1129 78:1037 79:671
80:1301 81:1034 82:649 83:660 84:584 85:1256
86:383 87:1028 88:559 89:1552 90:150 91:5673
92:603 93:1610 94:2066 95:1614 96:512 97:350
98:1037 99:41 100:31 101:382 103:3584 105:527
106:140 107:217 108:518 109:1970 110:958 111:1111
112:588 113:808 114:731 115:1009 116:993 117:805
118:1180 119:1256 120:327 121:733 122:1787 123:1260
124:1363 125:1430 128:635 129:219 130:336 131:653
132:352 133:158 134:547 135:72 136:281 137:245
138:348 139:174 140:170 141:317 142:532 143:402
144:491 145:90 146:519 147:400 148:712 149:368
150:137 151:653 152:411 153:205 154:51 155:495
156:291 157:370 158:280 159:691 160:361 161:451
162:855 163:202 164:630 165:580 166:260 167:635
168:1038 169:124 170:1116 171:185 172:27 173:1586
174:689 175:509 176:1315 177:2470 178:1949 179:294
180:1583 181:874 182:1377 183:464 184:658 185:1029
186:2634 187:1472 188:1870 189:1261 190:7276 192:6990
193:5424 194:4038 195:3360 196:1329 197:1037 198:4690
199:5448 200:6053 201:2513 202:8767 203:8787 204:4467
205:2624 206:2746 207:2768 208:3993 209:3642 210:2909
211:1558 212:2166 213:1976 214:894 215:91 216:5409
217:1694 218:618 219:316 220:1273 221:578 222:324
223:503
End of report
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