* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 25 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 419585
Prefixes after maximum aggregation: 176254
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 208604
Total ASes present in the Internet Routing Table: 39107
Prefixes per ASN: 10.73
Origin-only ASes present in the Internet Routing Table: 33636
Origin ASes announcing only one prefix: 15799
Transit ASes present in the Internet Routing Table: 5471
Transit-only ASes present in the Internet Routing Table: 124
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: 1396
Unregistered ASNs in the Routing Table: 298
Number of 32-bit ASNs allocated by the RIRs: 3319
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7781
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2618184192
Equivalent to 156 /8s, 14 /16s and 82 /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: 145644
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97435
Total APNIC prefixes after maximum aggregation: 30996
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98651
Unique aggregates announced from the APNIC address blocks: 42712
APNIC Region origin ASes present in the Internet Routing Table: 4712
APNIC Prefixes per ASN: 20.94
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 744
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: 706182400
Equivalent to 42 /8s, 23 /16s and 125 /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: 152933
Total ARIN prefixes after maximum aggregation: 77611
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153859
Unique aggregates announced from the ARIN address blocks: 68984
ARIN Region origin ASes present in the Internet Routing Table: 15190
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 1084563200
Equivalent to 64 /8s, 165 /16s and 31 /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: 107933
Total RIPE prefixes after maximum aggregation: 57064
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 110475
Unique aggregates announced from the RIPE address blocks: 70975
RIPE Region origin ASes present in the Internet Routing Table: 16847
RIPE Prefixes per ASN: 6.56
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2692
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: 646475008
Equivalent to 38 /8s, 136 /16s and 109 /24s
Percentage of available RIPE address space announced: 94.0
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: 43036
Total LACNIC prefixes after maximum aggregation: 8314
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46180
Unique aggregates announced from the LACNIC address blocks: 22336
LACNIC Region origin ASes present in the Internet Routing Table: 1640
LACNIC Prefixes per ASN: 28.16
LACNIC Region origin ASes announcing only one prefix: 451
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: 116623616
Equivalent to 6 /8s, 243 /16s and 137 /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: 9769
Total AfriNIC prefixes after maximum aggregation: 2212
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 10246
Unique aggregates announced from the AfriNIC address blocks: 3453
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 174
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: 0
Number of AfriNIC addresses announced to Internet: 41777664
Equivalent to 2 /8s, 125 /16s and 122 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2355 702 54 PT Telekomunikasi Indonesia
4766 2114 11421 606 Korea Telecom (KIX)
7545 1755 301 88 TPG Internet Pty Ltd
4755 1599 387 161 TATA Communications formerly
9829 1332 1106 41 National Internet Backbone
9583 1177 87 522 Sify Limited
7552 1125 1062 11 Vietel Corporation
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
18101 1016 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 3306 3733 185 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1920 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
20115 1661 1580 614 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1380 273 734 Mediacom Communications Corp
7018 1249 10319 836 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 1646 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 844 774 77 France Telecom Espana SA
34984 775 206 182 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 709 37 9 FreeNet ISP
13188 694 92 157 Ukraine
20940 694 226 545 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 597 364 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 2137 1249 55 Types of queries are: POCs, o
7303 1564 1034 200 Telecom Argentina S.A.
6503 1528 435 70 Axtel, S.A.B. de C.V.
8151 1438 3018 343 Uninet S.A. de C.V.
27947 697 74 87 Telconet S.A
6458 679 81 15 Telgua
3816 643 310 52 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 587 86 101 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 888 275 36 LINKdotNET AS number
8452 777 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
33776 229 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 192 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 3306 3733 185 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2355 702 54 PT Telekomunikasi Indonesia
10620 2164 370 219 Types of queries are: POCs, o
28573 2137 1249 55 Types of queries are: POCs, o
4766 2114 11421 606 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1920 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
7545 1755 301 88 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 2355 2301 PT Telekomunikasi Indonesia
28573 2137 2082 Types of queries are: POCs, o
10620 2164 1945 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1920 1792 PaeTec Communications, Inc.
22773 1887 1759 Cox Communications Inc.
7545 1755 1667 TPG Internet Pty Ltd
8402 1646 1630 Corbina telecom
4766 2114 1508 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<<
128.0.160.0/21 23456 32-bit ASN transition
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.
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 /11:86 /12:240
/13:475 /14:848 /15:1560 /16:12370 /17:6496 /18:10760
/19:21059 /20:30253 /21:32071 /22:42177 /23:39669 /24:220906
/25:9 /26:13 /27:9 /28:141 /29:160 /30:86
/31:0 /32:134
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1840 3306 BellSouth.net Inc.
8402 1367 1646 Corbina telecom
30036 1314 1380 Mediacom Communications Corp
22773 1229 1887 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1050 1528 Axtel, S.A.B. de C.V.
1785 1017 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)
----------------------------------------------
1:584 2:646 3:1 4:13 5:517 6:3
8:458 12:1985 13:1 14:650 15:11 16:3
17:6 20:27 23:205 24:1787 27:1326 31:994
32:49 33:2 34:2 36:7 37:797 38:824
39:2 40:133 41:3032 42:158 44:3 46:1537
47:2 49:481 50:590 52:13 54:21 55:9
56:1 57:34 58:932 59:533 60:232 61:1178
62:957 63:1992 64:4270 65:2237 66:4502 67:2052
68:1168 69:3228 70:985 71:510 72:1873 74:2600
75:485 76:313 77:957 78:943 79:491 80:1231
81:967 82:639 83:531 84:516 85:1156 86:487
87:927 88:363 89:1781 90:303 91:5215 92:598
93:1415 94:1625 95:1160 96:417 97:322 98:976
99:36 100:23 101:260 103:1552 105:512 106:118
107:197 108:439 109:1515 110:805 111:998 112:435
113:713 114:624 115:873 116:873 117:732 118:950
119:1190 120:300 121:678 122:1587 123:1163 124:1293
125:1275 128:521 129:178 130:269 131:592 132:303
133:22 134:240 135:61 136:218 137:236 138:338
139:169 140:471 141:281 142:465 143:383 144:484
145:81 146:510 147:262 148:742 149:324 150:148
151:173 152:447 153:178 154:19 155:403 156:221
157:327 158:260 159:576 160:339 161:388 162:362
163:180 164:626 165:416 166:528 167:554 168:960
169:124 170:815 171:165 172:6 173:1694 174:621
175:446 176:787 177:1234 178:1609 180:1362 181:136
182:1046 183:295 184:597 185:6 186:2175 187:1246
188:1611 189:1567 190:6009 192:5985 193:5725 194:4561
195:3467 196:1220 197:223 198:3763 199:4988 200:5903
201:1970 202:8517 203:8623 204:4317 205:2519 206:2671
207:2799 208:4054 209:3643 210:2767 211:1520 212:2008
213:1827 214:860 215:85 216:5116 217:1537 218:555
219:299 220:1241 221:512 222:301 223:402
End of report
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