* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 12 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423943
Prefixes after maximum aggregation: 177488
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211862
Total ASes present in the Internet Routing Table: 39313
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 33820
Origin ASes announcing only one prefix: 15839
Transit ASes present in the Internet Routing Table: 5493
Transit-only ASes present in the Internet Routing Table: 133
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: 1658
Unregistered ASNs in the Routing Table: 392
Number of 32-bit ASNs allocated by the RIRs: 3468
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8343
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2632229632
Equivalent to 156 /8s, 228 /16s and 163 /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: 147331
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98858
Total APNIC prefixes after maximum aggregation: 31147
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100297
Unique aggregates announced from the APNIC address blocks: 42972
APNIC Region origin ASes present in the Internet Routing Table: 4742
APNIC Prefixes per ASN: 21.15
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 750
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: 711574528
Equivalent to 42 /8s, 105 /16s and 196 /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: 153564
Total ARIN prefixes after maximum aggregation: 77802
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154365
Unique aggregates announced from the ARIN address blocks: 69802
ARIN Region origin ASes present in the Internet Routing Table: 15210
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5756
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: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087250944
Equivalent to 64 /8s, 206 /16s and 34 /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: 109226
Total RIPE prefixes after maximum aggregation: 57684
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 112012
Unique aggregates announced from the RIPE address blocks: 72574
RIPE Region origin ASes present in the Internet Routing Table: 16938
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2715
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: 648587264
Equivalent to 38 /8s, 168 /16s and 168 /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: 43610
Total LACNIC prefixes after maximum aggregation: 8581
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46996
Unique aggregates announced from the LACNIC address blocks: 22810
LACNIC Region origin ASes present in the Internet Routing Table: 1692
LACNIC Prefixes per ASN: 27.78
LACNIC Region origin ASes announcing only one prefix: 488
LACNIC Region transit ASes present in the Internet Routing Table: 313
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 119236608
Equivalent to 7 /8s, 27 /16s and 104 /24s
Percentage of available LACNIC address space announced: 71.1
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: 9601
Total AfriNIC prefixes after maximum aggregation: 2221
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 10108
Unique aggregates announced from the AfriNIC address blocks: 3563
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 17.86
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 121
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: 42999296
Equivalent to 2 /8s, 144 /16s and 30 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2421 826 46 PT Telekomunikasi Indonesia
4766 2100 11550 602 Korea Telecom (KIX)
7545 1795 301 88 TPG Internet Pty Ltd
4755 1596 375 159 TATA Communications formerly
9829 1412 1155 42 National Internet Backbone
9583 1179 88 512 Sify Limited
7552 1117 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1020 310 74 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 3203 991 190 Windstream Communications Inc
6389 3166 3722 159 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1970 2931 128 Cox Communications Inc.
1785 1932 678 128 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1586 1169 392 tw telecom holdings, inc.
30036 1374 283 745 Mediacom Communications Corp
7018 1277 10291 853 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 1703 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 833 208 204 BILISIM TELEKOM
31148 729 37 9 FreeNet ISP
13188 723 93 139 Ukraine
6830 713 2313 436 UPC Broadband
20940 702 228 548 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 2149 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 1462 3049 347 Uninet S.A. de C.V.
27947 725 78 88 Telconet S.A
3816 655 309 68 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 580 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 903 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 546 958 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 3203 991 190 Windstream Communications Inc
6389 3166 3722 159 BellSouth.net Inc.
17974 2421 826 46 PT Telekomunikasi Indonesia
10620 2252 384 208 Types of queries are: POCs, o
28573 2149 1283 64 Types of queries are: POCs, o
4766 2100 11550 602 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1970 2931 128 Cox Communications Inc.
1785 1932 678 128 PaeTec Communications, Inc.
7545 1795 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
6389 3166 3007 BellSouth.net Inc.
17974 2421 2375 PT Telekomunikasi Indonesia
28573 2149 2085 Types of queries are: POCs, o
10620 2252 2044 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1970 1842 Cox Communications Inc.
1785 1932 1804 PaeTec Communications, Inc.
7545 1795 1707 TPG Internet Pty Ltd
8402 1703 1687 Corbina telecom
4766 2100 1498 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 /9:13 /10:30 /11:88 /12:243
/13:478 /14:854 /15:1559 /16:12377 /17:6559 /18:10811
/19:21282 /20:30647 /21:32599 /22:42853 /23:40043 /24:222902
/25:9 /26:13 /27:11 /28:142 /29:183 /30:89
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2643 3203 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1785 3166 BellSouth.net Inc.
8402 1412 1703 Corbina telecom
22773 1298 1970 Cox Communications Inc.
30036 1290 1374 Mediacom Communications Corp
11492 1147 1182 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 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)
----------------------------------------------
1:608 2:750 3:1 4:13 5:652 6:3
8:482 12:1954 13:3 14:673 15:11 16:3
17:6 20:27 23:210 24:1808 27:1397 31:1055
32:49 33:2 34:2 36:7 37:934 38:831
39:2 40:138 41:2712 42:177 44:3 46:1641
47:2 49:505 50:603 52:12 54:27 55:4
56:1 57:31 58:979 59:535 60:231 61:1282
62:964 63:2013 64:4294 65:2197 66:4504 67:2103
68:1158 69:3212 70:936 71:553 72:1884 74:2615
75:478 76:285 77:985 78:1001 79:512 80:1236
81:983 82:631 83:544 84:520 85:1151 86:511
87:942 88:350 89:1744 90:305 91:5311 92:580
93:1422 94:1712 95:1274 96:411 97:325 98:972
99:36 100:30 101:287 103:1762 105:519 106:121
107:203 108:460 109:1630 110:814 111:976 112:431
113:720 114:670 115:870 116:857 117:745 118:970
119:1190 120:355 121:681 122:1664 123:1163 124:1296
125:1287 128:521 129:188 130:278 131:654 132:310
133:142 134:243 135:62 136:214 137:234 138:339
139:172 140:476 141:290 142:477 143:330 144:475
145:83 146:519 147:251 148:719 149:326 150:151
151:209 152:449 153:183 154:20 155:429 156:225
157:324 158:285 159:588 160:336 161:390 162:368
163:180 164:577 165:441 166:454 167:563 168:968
169:128 170:921 171:157 172:7 173:1698 174:630
175:470 176:720 177:1397 178:1630 180:1382 181:168
182:1097 183:300 184:608 185:54 186:2069 187:1380
188:1743 189:1620 190:5849 192:6001 193:5406 194:4132
195:3466 196:1189 197:263 198:3861 199:5057 200:5946
201:1973 202:8526 203:8600 204:4353 205:2519 206:2666
207:2734 208:4055 209:3603 210:2749 211:1518 212:2160
213:1850 214:881 215:74 216:5173 217:1576 218:564
219:294 220:1252 221:531 222:337 223:401
End of report
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