* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 09 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423732
Prefixes after maximum aggregation: 177515
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211575
Total ASes present in the Internet Routing Table: 39306
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 33816
Origin ASes announcing only one prefix: 15838
Transit ASes present in the Internet Routing Table: 5490
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 1641
Unregistered ASNs in the Routing Table: 388
Number of 32-bit ASNs allocated by the RIRs: 3451
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8299
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2632694016
Equivalent to 156 /8s, 235 /16s and 185 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146964
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98812
Total APNIC prefixes after maximum aggregation: 31145
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100256
Unique aggregates announced from the APNIC address blocks: 42946
APNIC Region origin ASes present in the Internet Routing Table: 4745
APNIC Prefixes per ASN: 21.13
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 751
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 711679232
Equivalent to 42 /8s, 107 /16s and 93 /24s
Percentage of available APNIC address space announced: 83.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 153666
Total ARIN prefixes after maximum aggregation: 77900
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154475
Unique aggregates announced from the ARIN address blocks: 69767
ARIN Region origin ASes present in the Internet Routing Table: 15207
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5764
ARIN Region transit ASes present in the Internet Routing Table: 1525
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087663872
Equivalent to 64 /8s, 212 /16s and 111 /24s
Percentage of available ARIN address space announced: 57.5
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: 109027
Total RIPE prefixes after maximum aggregation: 57610
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111771
Unique aggregates announced from the RIPE address blocks: 72389
RIPE Region origin ASes present in the Internet Routing Table: 16931
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8145
RIPE Region transit ASes present in the Internet Routing Table: 2708
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648715008
Equivalent to 38 /8s, 170 /16s and 155 /24s
Percentage of available RIPE address space announced: 94.3
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: 43505
Total LACNIC prefixes after maximum aggregation: 8576
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 46884
Unique aggregates announced from the LACNIC address blocks: 22758
LACNIC Region origin ASes present in the Internet Routing Table: 1687
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 483
LACNIC Region transit ASes present in the Internet Routing Table: 312
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 118942464
Equivalent to 7 /8s, 22 /16s and 235 /24s
Percentage of available LACNIC address space announced: 70.9
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: 9679
Total AfriNIC prefixes after maximum aggregation: 2231
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 10177
Unique aggregates announced from the AfriNIC address blocks: 3570
AfriNIC Region origin ASes present in the Internet Routing Table: 569
AfriNIC Prefixes per ASN: 17.89
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 43106048
Equivalent to 2 /8s, 145 /16s and 191 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2420 825 45 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1798 301 89 TPG Internet Pty Ltd
4755 1594 375 158 TATA Communications formerly
9829 1410 1154 41 National Internet Backbone
9583 1180 88 513 Sify Limited
7552 1117 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1020 310 73 BHARTI Airtel Ltd.
18101 1016 135 170 Reliance Infocom Ltd Internet
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
7029 3202 991 190 Windstream Communications Inc
6389 3167 3722 159 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1972 2931 128 Cox Communications Inc.
1785 1932 678 127 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1587 1169 392 tw telecom holdings, inc.
30036 1372 283 745 Mediacom Communications Corp
7018 1274 10291 852 AT&T Services, Inc.
7011 1222 334 692 Frontier Communications of Am
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 1695 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 828 207 199 BILISIM TELEKOM
31148 729 37 9 FreeNet ISP
13188 723 93 139 Ukraine
6830 713 2313 436 UPC Broadband
20940 701 228 547 Akamai Technologies European
8551 617 364 61 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
9116 541 326 32 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
10620 2252 384 208 Types of queries are: POCs, o
28573 2171 1283 64 Types of queries are: POCs, o
7303 1669 1139 202 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1444 3007 346 Uninet S.A. de C.V.
27947 724 77 87 Telconet S.A
3816 653 309 77 Types of queries are: POCs, o
11172 588 101 65 Alestra, S. de R.L. de C.V.
18881 584 716 18 Global Village Telecom
7738 582 1178 33 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
24863 902 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 547 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 29 5 Wananchi Online Limited
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
7029 3202 991 190 Windstream Communications Inc
6389 3167 3722 159 BellSouth.net Inc.
17974 2420 825 45 PT Telekomunikasi Indonesia
10620 2252 384 208 Types of queries are: POCs, o
28573 2171 1283 64 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1972 2931 128 Cox Communications Inc.
1785 1932 678 127 PaeTec Communications, Inc.
7545 1798 301 89 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
6389 3167 3008 BellSouth.net Inc.
17974 2420 2375 PT Telekomunikasi Indonesia
28573 2171 2107 Types of queries are: POCs, o
10620 2252 2044 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1972 1844 Cox Communications Inc.
1785 1932 1805 PaeTec Communications, Inc.
7545 1798 1709 TPG Internet Pty Ltd
8402 1695 1679 Corbina telecom
4766 2101 1499 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 8468 ENTANET Internationa
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
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
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /8:19 /9:14 /10:30 /11:88 /12:243
/13:478 /14:854 /15:1561 /16:12399 /17:6564 /18:10821
/19:21267 /20:30659 /21:32592 /22:42854 /23:40037 /24:222663
/25:9 /26:13 /27:11 /28:143 /29:184 /30:89
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3202 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1786 3167 BellSouth.net Inc.
8402 1407 1695 Corbina telecom
22773 1300 1972 Cox Communications Inc.
30036 1290 1372 Mediacom Communications Corp
11492 1147 1182 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1019 1932 PaeTec Communications, Inc.
7011 957 1222 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:602 2:744 3:1 4:13 5:640 6:3
8:478 12:1954 13:3 14:672 15:11 16:3
17:6 20:27 23:210 24:1808 27:1397 31:1054
32:49 33:2 34:2 36:7 37:931 38:829
39:2 40:138 41:2722 42:177 44:3 46:1627
47:2 49:500 50:600 52:12 54:27 55:5
56:4 57:31 58:980 59:536 60:231 61:1280
62:964 63:2006 64:4283 65:2196 66:4503 67:2099
68:1158 69:3215 70:935 71:505 72:1885 74:2619
75:478 76:283 77:983 78:1005 79:508 80:1239
81:983 82:631 83:543 84:520 85:1152 86:511
87:942 88:350 89:1732 90:305 91:5299 92:577
93:1413 94:1715 95:1270 96:412 97:325 98:971
99:36 100:30 101:288 103:1757 105:519 106:120
107:203 108:459 109:1630 110:812 111:975 112:431
113:708 114:670 115:869 116:863 117:749 118:961
119:1195 120:355 121:682 122:1664 123:1162 124:1304
125:1287 128:534 129:188 130:278 131:658 132:310
133:142 134:243 135:62 136:218 137:234 138:339
139:173 140:475 141:290 142:475 143:378 144:491
145:83 146:518 147:261 148:717 149:327 150:151
151:207 152:449 153:183 154:20 155:430 156:225
157:322 158:285 159:588 160:334 161:390 162:367
163:180 164:577 165:443 166:495 167:563 168:982
169:128 170:918 171:152 172:7 173:1707 174:629
175:469 176:717 177:1360 178:1634 180:1381 181:167
182:1097 183:300 184:620 185:46 186:2062 187:1394
188:1731 189:1618 190:5826 192:5989 193:5411 194:4126
195:3468 196:1230 197:263 198:3853 199:5051 200:5926
201:1969 202:8526 203:8591 204:4349 205:2520 206:2666
207:2736 208:4060 209:3607 210:2750 211:1515 212:2041
213:1851 214:889 215:74 216:5139 217:1573 218:564
219:293 220:1250 221:531 222:337 223:400
End of report
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