* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 19 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 425559
Prefixes after maximum aggregation: 177849
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212347
Total ASes present in the Internet Routing Table: 39349
Prefixes per ASN: 10.81
Origin-only ASes present in the Internet Routing Table: 33853
Origin ASes announcing only one prefix: 15836
Transit ASes present in the Internet Routing Table: 5496
Transit-only ASes present in the Internet Routing Table: 135
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: 1658
Unregistered ASNs in the Routing Table: 402
Number of 32-bit ASNs allocated by the RIRs: 3498
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8439
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 154
Number of addresses announced to Internet: 2632590848
Equivalent to 156 /8s, 234 /16s and 38 /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: 148171
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98968
Total APNIC prefixes after maximum aggregation: 31188
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100413
Unique aggregates announced from the APNIC address blocks: 43026
APNIC Region origin ASes present in the Internet Routing Table: 4743
APNIC Prefixes per ASN: 21.17
APNIC Region origin ASes announcing only one prefix: 1271
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: 711686400
Equivalent to 42 /8s, 107 /16s and 121 /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: 153822
Total ARIN prefixes after maximum aggregation: 77929
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154576
Unique aggregates announced from the ARIN address blocks: 69896
ARIN Region origin ASes present in the Internet Routing Table: 15228
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5753
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: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1087202560
Equivalent to 64 /8s, 205 /16s and 101 /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: 110447
Total RIPE prefixes after maximum aggregation: 57783
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113309
Unique aggregates announced from the RIPE address blocks: 72828
RIPE Region origin ASes present in the Internet Routing Table: 16948
RIPE Prefixes per ASN: 6.69
RIPE Region origin ASes announcing only one prefix: 8143
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: 648678400
Equivalent to 38 /8s, 170 /16s and 12 /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: 43649
Total LACNIC prefixes after maximum aggregation: 8625
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 47115
Unique aggregates announced from the LACNIC address blocks: 22854
LACNIC Region origin ASes present in the Internet Routing Table: 1700
LACNIC Prefixes per ASN: 27.71
LACNIC Region origin ASes announcing only one prefix: 493
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: 119391488
Equivalent to 7 /8s, 29 /16s and 197 /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: 9493
Total AfriNIC prefixes after maximum aggregation: 2270
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 9991
Unique aggregates announced from the AfriNIC address blocks: 3607
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 17.75
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 120
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: 43073024
Equivalent to 2 /8s, 145 /16s and 62 /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 2421 826 46 PT Telekomunikasi Indonesia
4766 2101 11550 602 Korea Telecom (KIX)
7545 1783 301 88 TPG Internet Pty Ltd
4755 1599 375 159 TATA Communications formerly
9829 1411 1155 42 National Internet Backbone
9583 1207 91 534 Sify Limited
7552 1127 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1021 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 3202 992 191 Windstream Communications Inc
6389 3157 3721 155 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1943 2931 129 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
20115 1680 1601 633 Charter Communications
4323 1584 1169 392 tw telecom holdings, inc.
30036 1362 284 765 Mediacom Communications Corp
7018 1284 10307 860 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 1692 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 725 93 130 Ukraine
6830 713 2313 436 UPC Broadband
20940 704 230 551 Akamai Technologies European
2118 691 97 14 EUnet/RELCOM Autonomous Syste
8551 618 364 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 2257 385 208 Types of queries are: POCs, o
28573 2160 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 725 78 88 Telconet S.A
3816 655 309 68 Types of queries are: POCs, o
11172 600 101 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 868 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 525 958 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
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 3202 992 191 Windstream Communications Inc
6389 3157 3721 155 BellSouth.net Inc.
17974 2421 826 46 PT Telekomunikasi Indonesia
10620 2257 385 208 Types of queries are: POCs, o
28573 2160 1285 65 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1943 2931 129 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
7545 1783 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 3157 3002 BellSouth.net Inc.
17974 2421 2375 PT Telekomunikasi Indonesia
28573 2160 2095 Types of queries are: POCs, o
10620 2257 2049 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1943 1814 Cox Communications Inc.
1785 1928 1804 PaeTec Communications, Inc.
7545 1783 1695 TPG Internet Pty Ltd
8402 1692 1676 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
41.220.94.0/23 42235 Intra Data Communication
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 /14:854 /15:1563 /16:12387 /17:6568 /18:10797
/19:21337 /20:30695 /21:32678 /22:42922 /23:40078 /24:224227
/25:9 /26:12 /27:11 /28:138 /29:186 /30:87
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3202 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1783 3157 BellSouth.net Inc.
8402 1408 1692 Corbina telecom
30036 1278 1362 Mediacom Communications Corp
22773 1273 1943 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 2:745 3:1 4:13 5:678 6:3
8:482 12:1957 13:3 14:677 15:11 16:3
17:6 20:27 23:212 24:1774 27:1410 31:1299
32:49 33:2 34:2 36:7 37:1041 38:834
39:2 40:139 41:2601 42:179 44:3 46:1653
47:2 49:506 50:600 52:12 54:27 55:3
57:31 58:981 59:540 60:231 61:1269 62:940
63:2012 64:4327 65:2195 66:4506 67:2104 68:1161
69:3225 70:932 71:555 72:1894 74:2617 75:482
76:300 77:984 78:1002 79:504 80:1227 81:987
82:627 83:540 84:521 85:1156 86:517 87:959
88:348 89:1744 90:305 91:5344 92:586 93:1486
94:1796 95:1402 96:413 97:323 98:963 99:37
100:30 101:290 103:1790 105:521 106:119 107:203
108:461 109:1641 110:814 111:976 112:432 113:718
114:674 115:870 116:865 117:738 118:959 119:1202
120:356 121:662 122:1694 123:1166 124:1298 125:1285
128:527 129:189 130:279 131:646 132:306 133:143
134:245 135:62 136:210 137:234 138:339 139:172
140:474 141:291 142:477 143:364 144:484 145:84
146:520 147:256 148:719 149:326 150:143 151:215
152:448 153:183 154:20 155:431 156:226 157:324
158:278 159:588 160:337 161:390 162:369 163:179
164:576 165:444 166:480 167:562 168:970 169:128
170:919 171:148 172:7 173:1698 174:635 175:454
176:722 177:1460 178:1659 180:1378 181:172 182:1085
183:299 184:631 185:73 186:2084 187:1403 188:1762
189:1595 190:5809 192:5999 193:5417 194:4292 195:3675
196:1230 197:268 198:3882 199:5065 200:5956 201:1968
202:8525 203:8603 204:4354 205:2523 206:2673 207:2741
208:4064 209:3595 210:2750 211:1516 212:2146 213:1869
214:866 215:75 216:5167 217:1587 218:564 219:294
220:1251 221:531 222:337 223:405
End of report
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