* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 04 Dec, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468876
Prefixes after maximum aggregation: 188311
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234504
Total ASes present in the Internet Routing Table: 45461
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35419
Origin ASes announcing only one prefix: 16284
Transit ASes present in the Internet Routing Table: 5805
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 ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 1026
Unregistered ASNs in the Routing Table: 283
Number of 32-bit ASNs allocated by the RIRs: 5437
Number of 32-bit ASNs visible in the Routing Table: 4237
Prefixes from 32-bit ASNs in the Routing Table: 13330
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1286
Number of addresses announced to Internet: 2678270976
Equivalent to 159 /8s, 163 /16s and 44 /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: 95.3
Total number of prefixes smaller than registry allocations: 163019
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108312
Total APNIC prefixes after maximum aggregation: 33366
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 111301
Unique aggregates announced from the APNIC address blocks: 47617
APNIC Region origin ASes present in the Internet Routing Table: 4838
APNIC Prefixes per ASN: 23.01
APNIC Region origin ASes announcing only one prefix: 1227
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 769
Number of APNIC addresses announced to Internet: 727402496
Equivalent to 43 /8s, 91 /16s and 72 /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: 161760
Total ARIN prefixes after maximum aggregation: 81248
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162568
Unique aggregates announced from the ARIN address blocks: 75659
ARIN Region origin ASes present in the Internet Routing Table: 15878
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6007
ARIN Region transit ASes present in the Internet Routing Table: 1587
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: 40
Number of ARIN addresses announced to Internet: 1073498624
Equivalent to 63 /8s, 252 /16s and 74 /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: 119659
Total RIPE prefixes after maximum aggregation: 61066
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123467
Unique aggregates announced from the RIPE address blocks: 78848
RIPE Region origin ASes present in the Internet Routing Table: 17526
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8291
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2511
Number of RIPE addresses announced to Internet: 656411904
Equivalent to 39 /8s, 32 /16s and 13 /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: 52528
Total LACNIC prefixes after maximum aggregation: 9844
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57736
Unique aggregates announced from the LACNIC address blocks: 27321
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.33
LACNIC Region origin ASes announcing only one prefix: 555
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: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 910
Number of LACNIC addresses announced to Internet: 145916672
Equivalent to 8 /8s, 178 /16s and 131 /24s
Percentage of available LACNIC address space announced: 87.0
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: 11879
Total AfriNIC prefixes after maximum aggregation: 2572
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 12517
Unique aggregates announced from the AfriNIC address blocks: 4024
AfriNIC Region origin ASes present in the Internet Routing Table: 684
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 138
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: 7
Number of AfriNIC addresses announced to Internet: 48528128
Equivalent to 2 /8s, 228 /16s and 123 /24s
Percentage of available AfriNIC address space announced: 48.2
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 2719 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2084 319 110 TPG Internet Pty Ltd
4755 1809 401 186 TATA Communications formerly
9829 1541 1244 47 BSNL National Internet Backbo
9583 1249 95 508 Sify Limited
9498 1219 309 74 BHARTI Airtel Ltd.
7552 1166 1080 13 Vietel Corporation
24560 1102 382 166 Bharti Airtel Ltd., Telemedia
4808 1061 2014 310 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 3042 3688 53 BellSouth.net Inc.
22773 2211 2939 138 Cox Communications, Inc.
18566 2050 379 177 MegaPath Corporation
1785 2045 685 133 PaeTec Communications, Inc.
20115 1684 1654 601 Charter Communications
4323 1653 1114 422 Time Warner Telecom
701 1511 11144 784 MCI Communications Services,
30036 1384 312 579 Mediacom Communications Corp
7018 1342 17798 882 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 1797 544 16 OJSC "Vimpelcom"
34984 1367 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1191 451 897 Akamai Technologies European
31148 1010 45 20 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 856 363 39 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 676 798 53 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 3421 1829 94 NET Servicos de Comunicao S.A
10620 2674 433 213 Telmex Colombia S.A.
7303 1729 1147 234 Telecom Argentina Stet-France
18881 1707 908 20 Global Village Telecom
8151 1349 2850 415 UniNet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 822 94 91 Telconet S.A
6147 794 373 27 Telefonica Del Peru
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6503 773 434 61 AVANTEL, 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 873 338 26 LINKdotNET AS number
6713 551 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 251 921 209 The Internet Solution
29571 229 21 15 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 219 32 6 Sudatel Internet Exchange Aut
37054 212 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 3421 1829 94 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2719 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2674 433 213 Telmex Colombia S.A.
22773 2211 2939 138 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2084 319 110 TPG Internet Pty Ltd
18566 2050 379 177 MegaPath Corporation
1785 2045 685 133 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 3042 2989 BellSouth.net Inc.
17974 2719 2631 PT TELEKOMUNIKASI INDONESIA
10620 2674 2461 Telmex Colombia S.A.
22773 2211 2073 Cox Communications, Inc.
7545 2084 1974 TPG Internet Pty Ltd
1785 2045 1912 PaeTec Communications, Inc.
18566 2050 1873 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1797 1781 OJSC "Vimpelcom"
18881 1707 1687 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.
23.91.120.0/21 36351 SoftLayer Technologies 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
/13:474 /14:936 /15:1640 /16:12817 /17:6804 /18:11284
/19:23160 /20:33042 /21:35520 /22:49688 /23:43622 /24:248814
/25:8 /26:11 /27:12 /28:125 /29:218 /30:156
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1517 1797 OJSC "Vimpelcom"
22773 1464 2211 Cox Communications, Inc.
30036 1224 1384 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2045 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 964 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:915 2:868 3:3 4:16 5:808 6:21
8:606 12:1876 13:3 14:878 15:11 16:3
17:18 18:19 20:25 23:614 24:1771 27:1700
31:1528 32:40 33:2 34:5 36:95 37:1940
38:910 39:5 40:181 41:3355 42:321 44:14
46:2060 47:11 49:699 50:852 52:12 54:44
55:4 56:4 57:29 58:1065 59:580 60:365
61:1465 62:1243 63:1975 64:4384 65:2344 66:4142
67:2097 68:1096 69:3284 70:897 71:503 72:2013
74:2589 75:327 76:304 77:1180 78:999 79:668
80:1283 81:1054 82:636 83:695 84:583 85:1256
86:382 87:1038 88:548 89:1566 90:155 91:5685
92:613 93:1609 94:2104 95:1513 96:514 97:349
98:1061 99:41 100:30 101:407 103:3733 105:530
106:143 107:217 108:519 109:2007 110:973 111:1117
112:582 113:799 114:746 115:1005 116:989 117:805
118:1216 119:1268 120:332 121:737 122:1786 123:1265
124:1375 125:1437 128:589 129:294 130:337 131:641
132:347 133:158 134:292 135:72 136:275 137:266
138:351 139:168 140:157 141:323 142:536 143:401
144:493 145:90 146:538 147:425 148:726 149:368
150:152 151:484 152:413 153:207 154:43 155:508
156:307 157:369 158:283 159:695 160:361 161:450
162:904 163:205 164:621 165:580 166:276 167:638
168:1033 169:124 170:1105 171:185 172:11 173:1624
174:667 175:520 176:1323 177:2494 178:1868 179:311
180:1589 181:881 182:1403 183:477 184:626 185:1092
186:2642 187:1435 188:1942 189:1240 190:7246 192:7017
193:5437 194:4035 195:3366 196:1344 197:1063 198:4681
199:5467 200:6053 201:2488 202:8802 203:8803 204:4470
205:2627 206:2798 207:2728 208:3947 209:3644 210:2938
211:1572 212:2170 213:1993 214:887 215:84 216:5393
217:1712 218:627 219:315 220:1262 221:587 222:328
223:506
End of report
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