* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 20 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 424502
Prefixes after maximum aggregation: 177865
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212399
Total ASes present in the Internet Routing Table: 39282
Prefixes per ASN: 10.81
Origin-only ASes present in the Internet Routing Table: 33796
Origin ASes announcing only one prefix: 15831
Transit ASes present in the Internet Routing Table: 5486
Transit-only ASes present in the Internet Routing Table: 134
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: 1618
Unregistered ASNs in the Routing Table: 409
Number of 32-bit ASNs allocated by the RIRs: 3500
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8405
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2631863552
Equivalent to 156 /8s, 223 /16s and 13 /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: 93.9
Total number of prefixes smaller than registry allocations: 148136
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97878
Total APNIC prefixes after maximum aggregation: 31137
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99323
Unique aggregates announced from the APNIC address blocks: 42993
APNIC Region origin ASes present in the Internet Routing Table: 4665
APNIC Prefixes per ASN: 21.29
APNIC Region origin ASes announcing only one prefix: 1256
APNIC Region transit ASes present in the Internet Routing Table: 736
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: 710927872
Equivalent to 42 /8s, 95 /16s and 230 /24s
Percentage of available APNIC address space announced: 83.1
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: 153850
Total ARIN prefixes after maximum aggregation: 77963
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154607
Unique aggregates announced from the ARIN address blocks: 69959
ARIN Region origin ASes present in the Internet Routing Table: 15231
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1522
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: 1087230720
Equivalent to 64 /8s, 205 /16s and 211 /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: 110405
Total RIPE prefixes after maximum aggregation: 57786
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113210
Unique aggregates announced from the RIPE address blocks: 72838
RIPE Region origin ASes present in the Internet Routing Table: 16951
RIPE Prefixes per ASN: 6.68
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2711
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: 648608256
Equivalent to 38 /8s, 168 /16s and 250 /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: 43613
Total LACNIC prefixes after maximum aggregation: 8651
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47076
Unique aggregates announced from the LACNIC address blocks: 22854
LACNIC Region origin ASes present in the Internet Routing Table: 1700
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 490
LACNIC Region transit ASes present in the Internet Routing Table: 315
Average LACNIC Region AS path length visible: 3.9
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: 119401472
Equivalent to 7 /8s, 29 /16s and 236 /24s
Percentage of available LACNIC address space announced: 71.2
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: 2274
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10130
Unique aggregates announced from the AfriNIC address blocks: 3618
AfriNIC Region origin ASes present in the Internet Routing Table: 569
AfriNIC Prefixes per ASN: 17.80
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 43119360
Equivalent to 2 /8s, 145 /16s and 243 /24s
Percentage of available AfriNIC address space announced: 42.8
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 2429 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1784 301 88 TPG Internet Pty Ltd
4755 1598 375 159 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1209 92 535 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1017 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 3201 992 191 Windstream Communications Inc
6389 3154 3720 152 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1944 2931 129 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
20115 1681 1602 633 Charter Communications
4323 1584 1169 391 tw telecom holdings, inc.
30036 1362 284 765 Mediacom Communications Corp
7018 1284 10308 858 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 1643 544 16 Corbina telecom
12479 854 777 64 France Telecom Espana SA
34984 840 210 208 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 727 94 127 Ukraine
6830 713 2313 436 UPC Broadband
20940 700 228 547 Akamai Technologies European
2118 691 97 14 EUnet/RELCOM Autonomous Syste
8551 617 364 61 Bezeq International
58113 602 67 365 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 2261 386 205 Types of queries are: POCs, o
28573 2170 1285 65 Types of queries are: POCs, o
7303 1668 1138 201 Telecom Argentina S.A.
6503 1529 435 69 Axtel, S.A.B. de C.V.
8151 1461 3041 351 Uninet S.A. de C.V.
27947 726 78 88 Telconet S.A
3816 655 309 68 Types of queries are: POCs, o
11172 602 101 68 Alestra, S. de R.L. de C.V.
18881 587 716 18 Global Village Telecom
22047 579 326 15 Types of queries are: POCs, o
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 870 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 529 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 194 29 5 Wananchi Online Limited
29975 191 667 21 Vodacom
15706 190 32 6 Sudatel Internet Exchange Aut
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 3201 992 191 Windstream Communications Inc
6389 3154 3720 152 BellSouth.net Inc.
17974 2429 826 46 PT Telekomunikasi Indonesia
10620 2261 386 205 Types of queries are: POCs, o
28573 2170 1285 65 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1944 2931 129 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
7545 1784 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 3154 3002 BellSouth.net Inc.
17974 2429 2383 PT Telekomunikasi Indonesia
28573 2170 2105 Types of queries are: POCs, o
10620 2261 2056 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1944 1815 Cox Communications Inc.
1785 1928 1804 PaeTec Communications, Inc.
7545 1784 1696 TPG Internet Pty Ltd
8402 1643 1627 Corbina telecom
4766 2101 1499 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
128.0.0.0/24 2876 Jump Management SRL
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
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
41.222.80.0/21 37110 Moztel LDA
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
/13:477 /14:853 /15:1563 /16:12370 /17:6562 /18:10792
/19:21321 /20:30654 /21:32609 /22:42882 /23:39994 /24:223444
/25:9 /26:12 /27:11 /28:141 /29:188 /30:89
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3201 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1783 3154 BellSouth.net Inc.
8402 1391 1643 Corbina telecom
30036 1278 1362 Mediacom Communications Corp
22773 1274 1944 Cox Communications Inc.
11492 1145 1180 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1928 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 2:725 3:1 4:13 5:636 6:3
8:484 12:1956 13:3 14:679 15:11 16:3
17:6 20:27 23:212 24:1772 27:1368 31:1300
32:49 33:2 34:2 36:7 37:1045 38:837
39:2 40:139 41:2675 42:176 44:3 46:1643
47:2 49:498 50:601 52:12 54:27 55:3
57:31 58:970 59:531 60:230 61:1268 62:943
63:2015 64:4325 65:2196 66:4496 67:2103 68:1161
69:3226 70:930 71:555 72:1893 74:2617 75:483
76:300 77:975 78:989 79:504 80:1227 81:986
82:627 83:537 84:522 85:1147 86:517 87:960
88:348 89:1746 90:305 91:5344 92:586 93:1517
94:1804 95:1396 96:413 97:323 98:967 99:37
100:30 101:279 103:1743 105:521 106:119 107:203
108:461 109:1642 110:815 111:974 112:428 113:718
114:653 115:834 116:856 117:725 118:942 119:1199
120:340 121:662 122:1652 123:1139 124:1296 125:1284
128:496 129:189 130:279 131:658 132:308 133:143
134:245 135:62 136:217 137:234 138:339 139:173
140:478 141:291 142:479 143:364 144:486 145:84
146:520 147:258 148:720 149:326 150:148 151:215
152:448 153:183 154:20 155:430 156:226 157:324
158:279 159:588 160:337 161:390 162:369 163:179
164:577 165:446 166:478 167:562 168:970 169:127
170:921 171:148 172:7 173:1699 174:642 175:454
176:721 177:1455 178:1659 180:1229 181:172 182:1062
183:301 184:630 185:74 186:2061 187:1388 188:1760
189:1598 190:5777 192:5991 193:5419 194:4288 195:3669
196:1243 197:269 198:3893 199:5074 200:5952 201:1970
202:8395 203:8511 204:4354 205:2520 206:2674 207:2738
208:4077 209:3589 210:2740 211:1519 212:2141 213:1859
214:865 215:75 216:5175 217:1586 218:565 219:293
220:1247 221:522 222:337 223:396
End of report
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