* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 08 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423549
Prefixes after maximum aggregation: 177454
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211661
Total ASes present in the Internet Routing Table: 39283
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 33790
Origin ASes announcing only one prefix: 15846
Transit ASes present in the Internet Routing Table: 5493
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1637
Unregistered ASNs in the Routing Table: 387
Number of 32-bit ASNs allocated by the RIRs: 3448
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8238
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2631163392
Equivalent to 156 /8s, 212 /16s and 94 /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: 147006
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98802
Total APNIC prefixes after maximum aggregation: 31127
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100237
Unique aggregates announced from the APNIC address blocks: 42960
APNIC Region origin ASes present in the Internet Routing Table: 4744
APNIC Prefixes per ASN: 21.13
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 752
Average APNIC Region AS path length visible: 4.0
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: 711034112
Equivalent to 42 /8s, 97 /16s and 133 /24s
Percentage of available APNIC address space announced: 83.1
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: 153505
Total ARIN prefixes after maximum aggregation: 77894
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154306
Unique aggregates announced from the ARIN address blocks: 69733
ARIN Region origin ASes present in the Internet Routing Table: 15195
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5760
ARIN Region transit ASes present in the Internet Routing Table: 1520
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087608064
Equivalent to 64 /8s, 211 /16s and 149 /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: 109005
Total RIPE prefixes after maximum aggregation: 57626
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111735
Unique aggregates announced from the RIPE address blocks: 72433
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: 8154
RIPE Region transit ASes present in the Internet Routing Table: 2713
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: 648735488
Equivalent to 38 /8s, 170 /16s and 235 /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: 43591
Total LACNIC prefixes after maximum aggregation: 8523
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 46937
Unique aggregates announced from the LACNIC address blocks: 22826
LACNIC Region origin ASes present in the Internet Routing Table: 1679
LACNIC Prefixes per ASN: 27.96
LACNIC Region origin ASes announcing only one prefix: 485
LACNIC Region transit ASes present in the Internet Routing Table: 312
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: 0
Number of LACNIC addresses announced to Internet: 118623744
Equivalent to 7 /8s, 18 /16s and 14 /24s
Percentage of available LACNIC address space announced: 70.7
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: 9664
Total AfriNIC prefixes after maximum aggregation: 2231
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 10167
Unique aggregates announced from the AfriNIC address blocks: 3566
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.93
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: 42579712
Equivalent to 2 /8s, 137 /16s and 183 /24s
Percentage of available AfriNIC address space announced: 42.3
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 2100 11550 604 Korea Telecom (KIX)
7545 1798 301 89 TPG Internet Pty Ltd
4755 1596 375 159 TATA Communications formerly
9829 1405 1154 41 National Internet Backbone
9583 1179 88 512 Sify Limited
7552 1117 1062 11 Vietel Corporation
24560 1035 385 161 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 3201 991 190 Windstream Communications Inc
6389 3121 3722 158 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1929 678 127 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1587 1169 392 tw telecom holdings, inc.
30036 1373 279 751 Mediacom Communications Corp
7018 1275 10291 853 AT&T Services, Inc.
7011 1190 325 693 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 1674 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 828 207 199 BILISIM TELEKOM
31148 727 37 9 FreeNet ISP
13188 720 93 137 Ukraine
6830 714 2313 437 UPC Broadband
20940 701 228 547 Akamai Technologies European
8551 618 364 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 2242 382 229 Types of queries are: POCs, o
28573 2158 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 1447 3007 348 Uninet S.A. de C.V.
27947 724 77 87 Telconet S.A
3816 656 309 68 Types of queries are: POCs, o
14420 602 93 108 CORPORACION NACIONAL DE TELEC
11172 588 101 65 Alestra, S. de R.L. de C.V.
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 3201 991 190 Windstream Communications Inc
6389 3121 3722 158 BellSouth.net Inc.
17974 2420 825 45 PT Telekomunikasi Indonesia
10620 2242 382 229 Types of queries are: POCs, o
28573 2158 1283 64 Types of queries are: POCs, o
4766 2100 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1929 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 3121 2963 BellSouth.net Inc.
17974 2420 2375 PT Telekomunikasi Indonesia
28573 2158 2094 Types of queries are: POCs, o
10620 2242 2013 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1971 1843 Cox Communications Inc.
1785 1929 1802 PaeTec Communications, Inc.
7545 1798 1709 TPG Internet Pty Ltd
8402 1674 1658 Corbina telecom
4766 2100 1496 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 3549 Global Crossing
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
/13:476 /14:853 /15:1559 /16:12404 /17:6566 /18:10801
/19:21236 /20:30639 /21:32547 /22:42781 /23:40003 /24:222701
/25:9 /26:13 /27:11 /28:144 /29:182 /30:89
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2642 3201 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1742 3121 BellSouth.net Inc.
8402 1382 1674 Corbina telecom
22773 1299 1971 Cox Communications Inc.
30036 1290 1373 Mediacom Communications Corp
11492 1150 1185 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 1929 PaeTec Communications, Inc.
7011 940 1190 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:608 2:760 3:1 4:13 5:639 6:3
8:475 12:1958 13:3 14:672 15:11 16:3
17:6 20:27 23:210 24:1802 27:1395 31:1056
32:49 33:2 34:2 36:7 37:924 38:825
39:2 40:137 41:2716 42:177 44:3 46:1623
47:2 49:504 50:598 52:12 54:27 55:5
56:4 57:31 58:979 59:536 60:231 61:1281
62:969 63:2005 64:4274 65:2197 66:4492 67:2099
68:1150 69:3214 70:934 71:505 72:1886 74:2614
75:478 76:283 77:980 78:969 79:508 80:1238
81:983 82:631 83:538 84:520 85:1150 86:510
87:942 88:350 89:1727 90:305 91:5296 92:579
93:1417 94:1715 95:1262 96:411 97:324 98:935
99:36 100:30 101:288 103:1748 105:514 106:120
107:201 108:460 109:1615 110:813 111:975 112:431
113:720 114:671 115:862 116:861 117:745 118:961
119:1186 120:354 121:682 122:1662 123:1155 124:1309
125:1287 128:537 129:188 130:278 131:658 132:309
133:142 134:243 135:62 136:218 137:235 138:338
139:173 140:476 141:288 142:475 143:378 144:495
145:83 146:511 147:266 148:718 149:327 150:150
151:209 152:449 153:183 154:20 155:432 156:224
157:322 158:283 159:588 160:335 161:390 162:366
163:180 164:577 165:443 166:497 167:562 168:986
169:125 170:912 171:154 172:6 173:1712 174:628
175:471 176:720 177:1355 178:1634 180:1382 181:167
182:1097 183:301 184:619 185:46 186:2227 187:1398
188:1737 189:1617 190:5841 192:5983 193:5408 194:4129
195:3470 196:1235 197:263 198:3851 199:5020 200:5907
201:1971 202:8511 203:8594 204:4347 205:2520 206:2668
207:2746 208:4058 209:3605 210:2752 211:1518 212:2100
213:1851 214:889 215:75 216:5142 217:1578 218:564
219:290 220:1250 221:531 222:337 223:400
End of report
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