* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 27 Mar, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 441428
Prefixes after maximum aggregation: 181475
Deaggregation factor: 2.43
Unique aggregates announced to Internet: 220560
Total ASes present in the Internet Routing Table: 40010
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 34374
Origin ASes announcing only one prefix: 16058
Transit ASes present in the Internet Routing Table: 5628
Transit-only ASes present in the Internet Routing Table: 126
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 973
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 4652
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 10095
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 236
Number of addresses announced to Internet: 2645375744
Equivalent to 157 /8s, 173 /16s and 59 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 154598
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102359
Total APNIC prefixes after maximum aggregation: 31840
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 104150
Unique aggregates announced from the APNIC address blocks: 44233
APNIC Region origin ASes present in the Internet Routing Table: 4772
APNIC Prefixes per ASN: 21.83
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 785
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 718584832
Equivalent to 42 /8s, 212 /16s and 188 /24s
Percentage of available APNIC address space announced: 84.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 155667
Total ARIN prefixes after maximum aggregation: 78815
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156340
Unique aggregates announced from the ARIN address blocks: 72044
ARIN Region origin ASes present in the Internet Routing Table: 15506
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5904
ARIN Region transit ASes present in the Internet Routing Table: 1546
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: 2
Number of ARIN addresses announced to Internet: 1078247424
Equivalent to 64 /8s, 68 /16s and 192 /24s
Percentage of available ARIN address space announced: 57.0
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, 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: 115129
Total RIPE prefixes after maximum aggregation: 59099
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 118755
Unique aggregates announced from the RIPE address blocks: 76435
RIPE Region origin ASes present in the Internet Routing Table: 17094
RIPE Prefixes per ASN: 6.95
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2759
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 654421248
Equivalent to 39 /8s, 1 /16s and 173 /24s
Percentage of available RIPE address space announced: 95.1
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, 196608-199679
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: 46813
Total LACNIC prefixes after maximum aggregation: 9239
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 50714
Unique aggregates announced from the LACNIC address blocks: 23852
LACNIC Region origin ASes present in the Internet Routing Table: 1865
LACNIC Prefixes per ASN: 27.19
LACNIC Region origin ASes announcing only one prefix: 558
LACNIC Region transit ASes present in the Internet Routing Table: 340
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3
Number of LACNIC addresses announced to Internet: 125267200
Equivalent to 7 /8s, 119 /16s and 109 /24s
Percentage of available LACNIC address space announced: 74.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 10585
Total AfriNIC prefixes after maximum aggregation: 2432
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 11232
Unique aggregates announced from the AfriNIC address blocks: 3791
AfriNIC Region origin ASes present in the Internet Routing Table: 610
AfriNIC Prefixes per ASN: 18.41
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 3.5
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: 46189824
Equivalent to 2 /8s, 192 /16s and 205 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2508 840 86 PT Telekomunikasi Indonesia
4766 2140 11550 626 Korea Telecom (KIX)
7545 1846 301 91 TPG Internet Pty Ltd
4755 1719 392 196 TATA Communications formerly
9829 1485 1189 43 National Internet Backbone
9583 1269 97 532 Sify Limited
7552 1177 1066 12 Vietel Corporation
24560 1060 385 165 Bharti Airtel Ltd., Telemedia
9498 1059 310 73 BHARTI Airtel Ltd.
4808 1022 1999 298 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 3031 3694 87 BellSouth.net Inc.
7029 2168 1266 213 Windstream Communications Inc
18566 2067 382 183 Covad Communications Co.
22773 1997 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
20115 1682 1613 619 Charter Communications
4323 1610 1155 400 tw telecom holdings, inc.
30036 1325 292 673 Mediacom Communications Corp
7018 1319 10842 856 AT&T Services, Inc.
11492 1214 223 327 CABLE ONE, INC.
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 1775 544 16 Corbina telecom
2118 1116 97 13 EUnet/RELCOM Autonomous Syste
34984 1116 233 207 BILISIM TELEKOM
12479 841 786 66 France Telecom Espana SA
13188 836 99 33 Ukraine
20940 800 279 637 Akamai Technologies European
8551 793 370 43 Bezeq International
31148 786 41 19 FreeNet ISP
6830 717 2315 438 UPC Broadband
58113 665 74 385 LIR DATACENTER TELECOM SRL
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 2467 1337 84 Types of queries are: POCs, o
10620 2363 407 238 Types of queries are: POCs, o
7303 1673 1152 210 Telecom Argentina S.A.
8151 1214 2684 405 Uninet S.A. de C.V.
6503 1180 435 70 Axtel, S.A.B. de C.V.
14754 941 128 87 Telgua
18881 839 716 18 Global Village Telecom
27947 773 87 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
3816 695 307 87 Types of queries are: POCs, o
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 1286 80 4 MOBITEL
24863 891 274 34 LINKdotNET AS number
6713 535 615 23 Itissalat Al-MAGHRIB
8452 428 958 13 TEDATA
24835 342 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
37054 207 11 5 Data Telecom Service
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 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
6389 3031 3694 87 BellSouth.net Inc.
17974 2508 840 86 PT Telekomunikasi Indonesia
28573 2467 1337 84 Types of queries are: POCs, o
10620 2363 407 238 Types of queries are: POCs, o
7029 2168 1266 213 Windstream Communications Inc
4766 2140 11550 626 Korea Telecom (KIX)
18566 2067 382 183 Covad Communications Co.
22773 1997 2929 125 Cox Communications Inc.
1785 1965 677 124 PaeTec Communications, Inc.
7545 1846 301 91 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2508 2422 PT Telekomunikasi Indonesia
28573 2467 2383 Types of queries are: POCs, o
10620 2363 2125 Types of queries are: POCs, o
7029 2168 1955 Windstream Communications Inc
18566 2067 1884 Covad Communications Co.
22773 1997 1872 Cox Communications Inc.
1785 1965 1841 PaeTec Communications, Inc.
8402 1775 1759 Corbina telecom
7545 1846 1755 TPG Internet Pty Ltd
4755 1719 1523 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
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc.
17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications
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 Internet Assigned Numbers Aut
128.0.0.0/24 2876 Jump Management SRL
128.0.16.0/21 43568 Romerike Bredband AS
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.96.0/21 12886 LEWTelNet GmbH
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
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 /8:18 /9:13 /10:30 /11:88 /12:248
/13:481 /14:873 /15:1559 /16:12601 /17:6626 /18:10866
/19:21713 /20:31681 /21:33447 /22:45813 /23:41258 /24:233502
/25:9 /26:11 /27:12 /28:139 /29:197 /30:102
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2067 Covad Communications Co.
6389 1741 3031 BellSouth.net Inc.
7029 1578 2168 Windstream Communications Inc
8402 1512 1775 Corbina telecom
22773 1306 1997 Cox Communications Inc.
36998 1280 1286 MOBITEL
30036 1207 1325 Mediacom Communications Corp
11492 1176 1214 CABLE ONE, INC.
1785 1043 1965 PaeTec Communications, Inc.
7011 942 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:695 2:767 3:3 4:13 5:835 6:3
8:514 12:1921 13:3 14:742 15:11 16:3
17:8 20:19 23:247 24:1798 27:1462 31:1181
32:39 33:2 34:5 36:43 37:1575 38:861
39:2 40:159 41:2754 42:182 44:6 46:1750
47:2 49:609 50:664 52:12 54:28 55:9
57:30 58:1020 59:595 60:299 61:1435 62:1013
63:2036 64:4283 65:2174 66:4271 67:2060 68:1113
69:3259 70:871 71:525 72:1897 74:2547 75:400
76:293 77:1085 78:1035 79:578 80:1247 81:981
82:617 83:574 84:564 85:1151 86:467 87:950
88:514 89:1780 90:262 91:5449 92:608 93:1693
94:1872 95:1543 96:499 97:336 98:1047 99:38
100:28 101:310 103:2306 105:520 106:133 107:207
108:497 109:1814 110:853 111:1036 112:495 113:764
114:676 115:1004 116:849 117:791 118:999 119:1226
120:374 121:812 122:1705 123:1181 124:1291 125:1317
128:499 129:193 130:316 131:647 132:326 133:144
134:247 135:62 136:220 137:240 138:343 139:179
140:174 141:308 142:515 143:372 144:483 145:90
146:516 147:362 148:682 149:351 150:154 151:526
152:414 153:193 154:33 155:383 156:248 157:344
158:271 159:628 160:332 161:399 162:373 163:196
164:572 165:441 166:371 167:576 168:1010 169:131
170:1026 171:171 172:4 173:1576 174:579 175:431
176:1124 177:1879 178:1956 179:1 180:1387 181:303
182:1215 183:349 184:657 185:313 186:2408 187:1231
188:1896 189:1395 190:6607 192:6367 193:5686 194:4515
195:3473 196:1313 197:940 198:4218 199:5224 200:5889
201:2360 202:8698 203:8679 204:4417 205:2527 206:2692
207:2757 208:4054 209:3524 210:2799 211:1559 212:2044
213:1956 214:908 215:95 216:5187 217:1579 218:592
219:334 220:1266 221:547 222:318 223:487
End of report
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