* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 21 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419661
Prefixes after maximum aggregation: 176109
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208190
Total ASes present in the Internet Routing Table: 39083
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33640
Origin ASes announcing only one prefix: 15789
Transit ASes present in the Internet Routing Table: 5443
Transit-only ASes present in the Internet Routing Table: 122
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1371
Unregistered ASNs in the Routing Table: 292
Number of 32-bit ASNs allocated by the RIRs: 3302
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7714
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2617317632
Equivalent to 156 /8s, 1 /16s and 25 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 145677
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97405
Total APNIC prefixes after maximum aggregation: 30973
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98611
Unique aggregates announced from the APNIC address blocks: 42728
APNIC Region origin ASes present in the Internet Routing Table: 4708
APNIC Prefixes per ASN: 20.95
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 737
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: 706059264
Equivalent to 42 /8s, 21 /16s and 156 /24s
Percentage of available APNIC address space announced: 82.5
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: 153002
Total ARIN prefixes after maximum aggregation: 77668
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153929
Unique aggregates announced from the ARIN address blocks: 69025
ARIN Region origin ASes present in the Internet Routing Table: 15189
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1524
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1084254720
Equivalent to 64 /8s, 160 /16s and 106 /24s
Percentage of available ARIN address space announced: 57.4
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: 107968
Total RIPE prefixes after maximum aggregation: 56849
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110467
Unique aggregates announced from the RIPE address blocks: 70578
RIPE Region origin ASes present in the Internet Routing Table: 16839
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2677
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 646037760
Equivalent to 38 /8s, 129 /16s and 193 /24s
Percentage of available RIPE address space announced: 93.9
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: 43049
Total LACNIC prefixes after maximum aggregation: 8354
LACNIC Deaggregation factor: 5.15
Prefixes being announced from the LACNIC address blocks: 46161
Unique aggregates announced from the LACNIC address blocks: 22187
LACNIC Region origin ASes present in the Internet Routing Table: 1633
LACNIC Prefixes per ASN: 28.27
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 116572416
Equivalent to 6 /8s, 242 /16s and 193 /24s
Percentage of available LACNIC address space announced: 69.5
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: 9827
Total AfriNIC prefixes after maximum aggregation: 2208
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 10316
Unique aggregates announced from the AfriNIC address blocks: 3525
AfriNIC Region origin ASes present in the Internet Routing Table: 559
AfriNIC Prefixes per ASN: 18.45
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 0
Number of AfriNIC addresses announced to Internet: 41828864
Equivalent to 2 /8s, 126 /16s and 66 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2347 702 54 PT Telekomunikasi Indonesia
4766 2112 11421 605 Korea Telecom (KIX)
7545 1752 301 86 TPG Internet Pty Ltd
4755 1598 387 161 TATA Communications formerly
9829 1335 1106 41 National Internet Backbone
9583 1180 87 513 Sify Limited
7552 1124 1062 11 Vietel Corporation
24560 1040 386 160 Bharti Airtel Ltd., Telemedia
18101 1015 135 169 Reliance Infocom Ltd Internet
9498 1012 310 73 BHARTI Airtel Ltd.
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 3312 3733 185 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1920 678 129 PaeTec Communications, Inc.
22773 1883 2931 129 Cox Communications Inc.
20115 1660 1580 615 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1376 273 739 Mediacom Communications Corp
7018 1256 10335 840 AT&T Services, Inc.
7011 1204 329 698 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 1611 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 844 774 77 France Telecom Espana SA
34984 774 206 181 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 709 37 9 FreeNet ISP
20940 689 224 542 Akamai Technologies European
13188 680 99 40 Ukraine
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 598 364 61 Bezeq International
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 2164 370 219 Types of queries are: POCs, o
28573 2136 1249 55 Types of queries are: POCs, o
7303 1564 1034 200 Telecom Argentina S.A.
6503 1514 435 70 Axtel, S.A.B. de C.V.
8151 1440 3013 341 Uninet S.A. de C.V.
27947 699 75 89 Telconet S.A
6458 679 81 15 Telgua
3816 643 310 52 Types of queries are: POCs, o
11172 595 101 69 Alestra, S. de R.L. de C.V.
14420 584 85 98 CORPORACION NACIONAL DE TELEC
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 882 275 36 LINKdotNET AS number
8452 796 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
33776 191 13 11 Starcomms Nigeria Limited
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 3312 3733 185 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2347 702 54 PT Telekomunikasi Indonesia
10620 2164 370 219 Types of queries are: POCs, o
28573 2136 1249 55 Types of queries are: POCs, o
4766 2112 11421 605 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1920 678 129 PaeTec Communications, Inc.
22773 1883 2931 129 Cox Communications Inc.
7545 1752 301 86 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
7029 3164 3003 Windstream Communications Inc
17974 2347 2293 PT Telekomunikasi Indonesia
28573 2136 2081 Types of queries are: POCs, o
10620 2164 1945 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1920 1791 PaeTec Communications, Inc.
22773 1883 1754 Cox Communications Inc.
7545 1752 1666 TPG Internet Pty Ltd
8402 1611 1595 Corbina telecom
4766 2112 1507 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
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
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
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
128.0.176.0/20 30764 PODA s.r.o.
128.0.192.0/21 51483 SaSG GmbH & Co. KG
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 /11:84 /12:237
/13:474 /14:846 /15:1558 /16:12371 /17:6497 /18:10762
/19:21057 /20:30248 /21:32037 /22:42094 /23:39625 /24:221156
/25:9 /26:14 /27:9 /28:142 /29:160 /30:84
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2646 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1841 3312 BellSouth.net Inc.
8402 1340 1611 Corbina telecom
30036 1310 1376 Mediacom Communications Corp
22773 1226 1883 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1050 1514 Axtel, S.A.B. de C.V.
1785 1016 1920 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:587 2:621 3:1 4:13 5:512 6:3
8:453 12:1987 13:1 14:647 15:11 16:3
17:6 20:27 23:205 24:1789 27:1331 31:1034
32:49 33:2 34:2 36:7 37:788 38:824
39:2 40:133 41:3097 42:158 44:3 46:1575
47:2 49:481 50:585 52:13 54:20 55:8
56:1 57:34 58:929 59:535 60:233 61:1176
62:951 63:1991 64:4262 65:2239 66:4498 67:2049
68:1165 69:3212 70:985 71:508 72:1872 74:2601
75:485 76:314 77:957 78:958 79:490 80:1228
81:963 82:637 83:532 84:517 85:1152 86:486
87:923 88:363 89:1796 90:304 91:5205 92:580
93:1409 94:1622 95:1136 96:418 97:319 98:980
99:36 100:23 101:260 103:1539 105:512 106:118
107:198 108:438 109:1519 110:799 111:999 112:445
113:702 114:626 115:830 116:874 117:733 118:963
119:1223 120:301 121:676 122:1602 123:1167 124:1297
125:1274 128:512 129:177 130:271 131:619 132:303
133:22 134:239 135:61 136:217 137:236 138:338
139:169 140:471 141:281 142:468 143:375 144:494
145:81 146:510 147:265 148:736 149:322 150:149
151:172 152:449 153:178 154:19 155:437 156:223
157:327 158:261 159:573 160:342 161:390 162:363
163:180 164:681 165:416 166:529 167:553 168:962
169:124 170:908 171:157 172:7 173:1680 174:609
175:446 176:793 177:1226 178:1594 180:1356 181:134
182:1047 183:294 184:602 185:1 186:2229 187:1237
188:1670 189:1573 190:5995 192:5982 193:5740 194:4558
195:3445 196:1209 197:222 198:3748 199:4976 200:5886
201:1970 202:8511 203:8615 204:4353 205:2519 206:2668
207:2803 208:4059 209:3650 210:2771 211:1528 212:2005
213:1823 214:870 215:86 216:5117 217:1552 218:553
219:298 220:1237 221:513 222:301 223:386
End of report
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