* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 24 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422718
Prefixes after maximum aggregation: 177150
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211089
Total ASes present in the Internet Routing Table: 39263
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33779
Origin ASes announcing only one prefix: 15836
Transit ASes present in the Internet Routing Table: 5484
Transit-only ASes present in the Internet Routing Table: 130
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: 1495
Unregistered ASNs in the Routing Table: 349
Number of 32-bit ASNs allocated by the RIRs: 3401
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8114
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 180
Number of addresses announced to Internet: 2627427584
Equivalent to 156 /8s, 155 /16s and 93 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 146794
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98028
Total APNIC prefixes after maximum aggregation: 31152
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99394
Unique aggregates announced from the APNIC address blocks: 42958
APNIC Region origin ASes present in the Internet Routing Table: 4738
APNIC Prefixes per ASN: 20.98
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 748
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 709470720
Equivalent to 42 /8s, 73 /16s and 170 /24s
Percentage of available APNIC address space announced: 82.9
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: 153113
Total ARIN prefixes after maximum aggregation: 77735
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153937
Unique aggregates announced from the ARIN address blocks: 69495
ARIN Region origin ASes present in the Internet Routing Table: 15229
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5784
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1086852608
Equivalent to 64 /8s, 200 /16s and 14 /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: 109572
Total RIPE prefixes after maximum aggregation: 57408
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112228
Unique aggregates announced from the RIPE address blocks: 72148
RIPE Region origin ASes present in the Internet Routing Table: 16897
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2703
Average RIPE Region AS path length visible: 3.4
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: 648130048
Equivalent to 38 /8s, 161 /16s and 174 /24s
Percentage of available RIPE address space announced: 94.2
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: 43437
Total LACNIC prefixes after maximum aggregation: 8554
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46781
Unique aggregates announced from the LACNIC address blocks: 22853
LACNIC Region origin ASes present in the Internet Routing Table: 1667
LACNIC Prefixes per ASN: 28.06
LACNIC Region origin ASes announcing only one prefix: 463
LACNIC Region transit ASes present in the Internet Routing Table: 305
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: 118064640
Equivalent to 7 /8s, 9 /16s and 134 /24s
Percentage of available LACNIC address space announced: 70.4
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: 9714
Total AfriNIC prefixes after maximum aggregation: 2246
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 10197
Unique aggregates announced from the AfriNIC address blocks: 3475
AfriNIC Region origin ASes present in the Internet Routing Table: 568
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 42328576
Equivalent to 2 /8s, 133 /16s and 226 /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 2419 830 54 PT Telekomunikasi Indonesia
4766 2113 11550 604 Korea Telecom (KIX)
7545 1778 301 87 TPG Internet Pty Ltd
4755 1599 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1175 88 512 Sify Limited
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1027 310 74 BHARTI Airtel Ltd.
7552 1023 1062 16 Vietel Corporation
18101 1018 135 171 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
6389 3183 3725 166 BellSouth.net Inc.
7029 3133 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1661 1584 615 Charter Communications
4323 1589 1171 392 tw telecom holdings, inc.
30036 1344 268 751 Mediacom Communications Corp
7018 1280 10305 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 1759 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 821 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 725 2313 447 UPC Broadband
13188 705 93 139 Ukraine
20940 686 222 543 Akamai Technologies European
8551 618 364 61 Bezeq International
58113 601 66 364 LIR DATACENTER TELECOM SRL
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 2225 378 227 Types of queries are: POCs, o
28573 2125 1278 61 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 716 75 92 Telconet S.A
3816 655 309 69 Types of queries are: POCs, o
11172 590 101 66 Alestra, S. de R.L. de C.V.
14420 589 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 900 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 648 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 191 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
6389 3183 3725 166 BellSouth.net Inc.
7029 3133 990 162 Windstream Communications Inc
17974 2419 830 54 PT Telekomunikasi Indonesia
10620 2225 378 227 Types of queries are: POCs, o
28573 2125 1278 61 Types of queries are: POCs, o
4766 2113 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1778 301 87 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 3133 2971 Windstream Communications Inc
17974 2419 2365 PT Telekomunikasi Indonesia
28573 2125 2064 Types of queries are: POCs, o
10620 2225 1998 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1924 1799 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1759 1743 Corbina telecom
7545 1778 1691 TPG Internet Pty Ltd
4766 2113 1509 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
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
59457 UNALLOCATED 5.149.64.0/24 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
/13:476 /14:853 /15:1558 /16:12404 /17:6534 /18:10783
/19:21174 /20:30424 /21:32351 /22:42551 /23:39829 /24:222808
/25:9 /26:13 /27:11 /28:142 /29:179 /30:88
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3133 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1790 3183 BellSouth.net Inc.
8402 1472 1759 Corbina telecom
30036 1271 1344 Mediacom Communications Corp
22773 1247 1907 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1924 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)
----------------------------------------------
1:606 2:740 3:1 4:13 5:579 6:3
8:473 12:1976 13:1 14:660 15:11 16:3
17:6 20:27 23:206 24:1783 27:1365 31:1049
32:49 33:2 34:2 36:7 37:865 38:831
39:2 40:136 41:2836 42:158 44:3 46:1625
47:2 49:458 50:602 52:12 54:25 55:7
56:4 57:31 58:985 59:537 60:230 61:1283
62:987 63:1996 64:4267 65:2226 66:4516 67:2122
68:1151 69:3219 70:985 71:506 72:1867 74:2618
75:478 76:310 77:964 78:1000 79:504 80:1230
81:976 82:633 83:543 84:526 85:1155 86:487
87:946 88:361 89:1796 90:303 91:5270 92:597
93:1488 94:1646 95:1190 96:396 97:325 98:965
99:36 100:29 101:284 103:1666 105:512 106:121
107:201 108:453 109:1612 110:810 111:970 112:427
113:711 114:625 115:861 116:861 117:750 118:942
119:1179 120:345 121:679 122:1665 123:1161 124:1304
125:1284 128:533 129:183 130:270 131:611 132:301
133:142 134:240 135:62 136:218 137:233 138:336
139:168 140:464 141:286 142:474 143:376 144:493
145:82 146:509 147:259 148:731 149:329 150:151
151:204 152:448 153:183 154:19 155:434 156:224
157:325 158:262 159:573 160:337 161:390 162:364
163:180 164:561 165:439 166:526 167:555 168:972
169:125 170:920 171:152 172:7 173:1687 174:606
175:453 176:739 177:1309 178:1630 180:1351 181:163
182:963 183:313 184:606 185:31 186:2221 187:1347
188:1766 189:1596 190:5912 192:5998 193:5541 194:4600
195:3660 196:1233 197:247 198:3848 199:5038 200:5951
201:1971 202:8490 203:8607 204:4340 205:2504 206:2654
207:2731 208:4049 209:3604 210:2757 211:1521 212:2080
213:1845 214:837 215:85 216:5107 217:1573 218:557
219:289 220:1249 221:532 222:338 223:397
End of report
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