* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 19 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421402
Prefixes after maximum aggregation: 176861
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210721
Total ASes present in the Internet Routing Table: 39196
Prefixes per ASN: 10.75
Origin-only ASes present in the Internet Routing Table: 33725
Origin ASes announcing only one prefix: 15801
Transit ASes present in the Internet Routing Table: 5471
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1500
Unregistered ASNs in the Routing Table: 348
Number of 32-bit ASNs allocated by the RIRs: 3392
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8076
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2625488640
Equivalent to 156 /8s, 125 /16s and 199 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
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: 145997
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97926
Total APNIC prefixes after maximum aggregation: 31129
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99284
Unique aggregates announced from the APNIC address blocks: 42959
APNIC Region origin ASes present in the Internet Routing Table: 4724
APNIC Prefixes per ASN: 21.02
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 745
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: 708863488
Equivalent to 42 /8s, 64 /16s and 102 /24s
Percentage of available APNIC address space announced: 82.8
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: 152890
Total ARIN prefixes after maximum aggregation: 77622
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153721
Unique aggregates announced from the ARIN address blocks: 69416
ARIN Region origin ASes present in the Internet Routing Table: 15209
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5764
ARIN Region transit ASes present in the Internet Routing Table: 1532
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: 0
Number of ARIN addresses announced to Internet: 1086501888
Equivalent to 64 /8s, 194 /16s and 180 /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: 108876
Total RIPE prefixes after maximum aggregation: 57290
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111527
Unique aggregates announced from the RIPE address blocks: 71887
RIPE Region origin ASes present in the Internet Routing Table: 16871
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2697
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 647366912
Equivalent to 38 /8s, 150 /16s and 9 /24s
Percentage of available RIPE address space announced: 94.1
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: 43289
Total LACNIC prefixes after maximum aggregation: 8520
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46603
Unique aggregates announced from the LACNIC address blocks: 22737
LACNIC Region origin ASes present in the Internet Routing Table: 1662
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 458
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 117887232
Equivalent to 7 /8s, 6 /16s and 209 /24s
Percentage of available LACNIC address space announced: 70.3
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: 9605
Total AfriNIC prefixes after maximum aggregation: 2246
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10090
Unique aggregates announced from the AfriNIC address blocks: 3567
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.4
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: 42291200
Equivalent to 2 /8s, 133 /16s and 80 /24s
Percentage of available AfriNIC address space announced: 42.0
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 2365 830 54 PT Telekomunikasi Indonesia
4766 2111 11422 603 Korea Telecom (KIX)
7545 1770 301 86 TPG Internet Pty Ltd
4755 1596 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1216 90 520 Sify Limited
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1018 307 69 BHARTI Airtel Ltd.
18101 1018 135 171 Reliance Infocom Ltd Internet
7552 1003 1062 14 Vietel Corporation
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 3188 3726 166 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1929 678 127 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
20115 1660 1583 615 Charter Communications
4323 1588 1170 391 tw telecom holdings, inc.
30036 1352 269 747 Mediacom Communications Corp
7018 1279 10321 851 AT&T Services, Inc.
7011 1220 333 690 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 1725 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 803 206 184 BILISIM TELEKOM
6830 725 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 701 93 147 Ukraine
20940 694 225 541 Akamai Technologies European
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 599 364 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 2195 378 227 Types of queries are: POCs, o
28573 2121 1277 60 Types of queries are: POCs, o
7303 1662 1131 203 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1448 3026 350 Uninet S.A. de C.V.
27947 715 75 92 Telconet S.A
3816 650 309 69 Types of queries are: POCs, o
11172 596 101 66 Alestra, S. de R.L. de C.V.
14420 588 87 102 CORPORACION NACIONAL DE TELEC
7738 586 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 896 307 37 LINKdotNET AS number
36998 720 48 3 MOBITEL
8452 644 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 192 29 5 Wananchi Online Limited
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 3188 3726 166 BellSouth.net Inc.
7029 3134 990 162 Windstream Communications Inc
17974 2365 830 54 PT Telekomunikasi Indonesia
10620 2195 378 227 Types of queries are: POCs, o
28573 2121 1277 60 Types of queries are: POCs, o
4766 2111 11422 603 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1929 678 127 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
7545 1770 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 3134 2972 Windstream Communications Inc
17974 2365 2311 PT Telekomunikasi Indonesia
28573 2121 2061 Types of queries are: POCs, o
10620 2195 1968 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1929 1802 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications Inc.
8402 1725 1709 Corbina telecom
7545 1770 1684 TPG Internet Pty Ltd
4766 2111 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 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
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
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 /11:87 /12:241
/13:472 /14:845 /15:1557 /16:12391 /17:6513 /18:10745
/19:21149 /20:30320 /21:32159 /22:42448 /23:39761 /24:222073
/25:9 /26:13 /27:11 /28:143 /29:176 /30:87
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2623 3134 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1793 3188 BellSouth.net Inc.
8402 1445 1725 Corbina telecom
30036 1279 1352 Mediacom Communications Corp
22773 1246 1906 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1929 PaeTec Communications, Inc.
7011 956 1220 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:604 2:742 3:1 4:13 5:565 6:3
8:470 12:1980 13:1 14:654 15:11 16:3
17:6 20:27 23:213 24:1783 27:1369 31:1048
32:49 33:2 34:2 36:7 37:857 38:825
39:2 40:137 41:2820 42:158 44:3 46:1624
47:2 49:456 50:589 52:12 54:25 55:8
56:5 57:31 58:979 59:538 60:230 61:1279
62:951 63:1995 64:4275 65:2207 66:4502 67:2077
68:1154 69:3234 70:954 71:505 72:1867 74:2610
75:481 76:267 77:962 78:963 79:500 80:1220
81:975 82:626 83:543 84:523 85:1152 86:484
87:942 88:352 89:1777 90:304 91:5244 92:598
93:1490 94:1645 95:1146 96:396 97:325 98:972
99:36 100:32 101:265 103:1645 105:460 106:121
107:201 108:464 109:1605 110:803 111:970 112:428
113:707 114:623 115:880 116:868 117:736 118:960
119:1180 120:340 121:677 122:1660 123:1165 124:1306
125:1283 128:500 129:184 130:271 131:609 132:300
133:22 134:240 135:62 136:217 137:238 138:337
139:168 140:465 141:285 142:474 143:379 144:496
145:82 146:500 147:264 148:738 149:330 150:149
151:199 152:446 153:179 154:19 155:385 156:224
157:326 158:262 159:578 160:339 161:388 162:364
163:180 164:559 165:432 166:526 167:553 168:990
169:125 170:918 171:166 172:7 173:1658 174:629
175:448 176:753 177:1279 178:1631 180:1346 181:162
182:1081 183:313 184:608 185:33 186:2196 187:1325
188:1753 189:1594 190:5821 192:6004 193:5538 194:4596
195:3661 196:1234 197:242 198:3811 199:5060 200:5952
201:1963 202:8504 203:8604 204:4340 205:2509 206:2679
207:2731 208:4057 209:3608 210:2754 211:1526 212:2023
213:1842 214:881 215:85 216:5058 217:1560 218:560
219:295 220:1242 221:532 222:337 223:414
End of report
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