* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 15 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 424443
Prefixes after maximum aggregation: 177796
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212059
Total ASes present in the Internet Routing Table: 39327
Prefixes per ASN: 10.79
Origin-only ASes present in the Internet Routing Table: 33830
Origin ASes announcing only one prefix: 15848
Transit ASes present in the Internet Routing Table: 5497
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: 40
Max AS path prepend of ASN ( 22394) 37
Prefixes from unregistered ASNs in the Routing Table: 1653
Unregistered ASNs in the Routing Table: 397
Number of 32-bit ASNs allocated by the RIRs: 3474
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8394
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2633234944
Equivalent to 156 /8s, 243 /16s and 250 /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: 147457
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98898
Total APNIC prefixes after maximum aggregation: 31186
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100334
Unique aggregates announced from the APNIC address blocks: 42974
APNIC Region origin ASes present in the Internet Routing Table: 4747
APNIC Prefixes per ASN: 21.14
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: 711689984
Equivalent to 42 /8s, 107 /16s and 135 /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: 153921
Total ARIN prefixes after maximum aggregation: 77965
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154688
Unique aggregates announced from the ARIN address blocks: 69842
ARIN Region origin ASes present in the Internet Routing Table: 15227
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5768
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: 1087634432
Equivalent to 64 /8s, 211 /16s and 252 /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: 109335
Total RIPE prefixes after maximum aggregation: 57709
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 112143
Unique aggregates announced from the RIPE address blocks: 72661
RIPE Region origin ASes present in the Internet Routing Table: 16924
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8142
RIPE Region transit ASes present in the Internet Routing Table: 2716
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: 648907776
Equivalent to 38 /8s, 173 /16s and 140 /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: 43585
Total LACNIC prefixes after maximum aggregation: 8616
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 47042
Unique aggregates announced from the LACNIC address blocks: 22823
LACNIC Region origin ASes present in the Internet Routing Table: 1699
LACNIC Prefixes per ASN: 27.69
LACNIC Region origin ASes announcing only one prefix: 492
LACNIC Region transit ASes present in the Internet Routing Table: 312
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: 119223040
Equivalent to 7 /8s, 27 /16s and 51 /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: 9564
Total AfriNIC prefixes after maximum aggregation: 2265
AfriNIC Deaggregation factor: 4.22
Prefixes being announced from the AfriNIC address blocks: 10072
Unique aggregates announced from the AfriNIC address blocks: 3619
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 43198720
Equivalent to 2 /8s, 147 /16s and 41 /24s
Percentage of available AfriNIC address space announced: 42.9
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 1597 375 159 TATA Communications formerly
9829 1410 1155 42 National Internet Backbone
9583 1180 88 513 Sify Limited
7552 1127 1062 11 Vietel Corporation
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 1022 310 75 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 3201 991 190 Windstream Communications Inc
6389 3161 3721 156 BellSouth.net Inc.
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 Cox Communications Inc.
1785 1928 678 124 PaeTec Communications, Inc.
20115 1679 1602 633 Charter Communications
4323 1588 1169 393 tw telecom holdings, inc.
30036 1359 282 762 Mediacom Communications Corp
7018 1280 10292 856 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 1654 544 16 Corbina telecom
12479 853 777 63 France Telecom Espana SA
34984 835 208 206 BILISIM TELEKOM
31148 731 37 9 FreeNet ISP
13188 724 93 133 Ukraine
6830 713 2313 436 UPC Broadband
20940 703 230 551 Akamai Technologies European
8551 619 364 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 2175 1285 65 Types of queries are: POCs, o
7303 1668 1138 201 Telecom Argentina S.A.
6503 1530 435 69 Axtel, S.A.B. de C.V.
8151 1460 3045 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 592 101 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 865 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 531 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 289 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
15399 190 29 5 Wananchi Online Limited
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 991 190 Windstream Communications Inc
6389 3161 3721 156 BellSouth.net Inc.
17974 2421 826 46 PT Telekomunikasi Indonesia
10620 2252 384 208 Types of queries are: POCs, o
28573 2175 1285 65 Types of queries are: POCs, o
4766 2101 11550 602 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
22773 1971 2931 128 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 3161 3005 BellSouth.net Inc.
17974 2421 2375 PT Telekomunikasi Indonesia
28573 2175 2110 Types of queries are: POCs, o
10620 2252 2044 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
22773 1971 1843 Cox Communications Inc.
1785 1928 1804 PaeTec Communications, Inc.
7545 1783 1695 TPG Internet Pty Ltd
8402 1654 1638 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
128.0.24.0/21 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
41.220.94.0/23 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
/13:478 /14:853 /15:1562 /16:12405 /17:6570 /18:10790
/19:21304 /20:30672 /21:32623 /22:42841 /23:40037 /24:223324
/25:9 /26:13 /27:11 /28:142 /29:186 /30:90
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2642 3201 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1785 3161 BellSouth.net Inc.
8402 1365 1654 Corbina telecom
22773 1299 1971 Cox Communications Inc.
30036 1275 1359 Mediacom Communications Corp
11492 1146 1181 CABLE ONE, INC.
6503 1050 1530 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 2:712 3:1 4:13 5:667 6:3
8:481 12:1957 13:3 14:674 15:11 16:3
17:6 20:27 23:210 24:1801 27:1396 31:1045
32:49 33:2 34:2 36:7 37:935 38:834
39:2 40:139 41:2651 42:178 44:3 46:1641
47:2 49:504 50:598 52:12 54:27 55:3
56:1 57:30 58:979 59:537 60:231 61:1275
62:938 63:2012 64:4329 65:2195 66:4505 67:2101
68:1163 69:3223 70:934 71:555 72:1891 74:2613
75:481 76:291 77:985 78:1004 79:508 80:1230
81:983 82:626 83:541 84:520 85:1147 86:515
87:951 88:348 89:1749 90:305 91:5323 92:586
93:1415 94:1792 95:1404 96:412 97:324 98:964
99:37 100:30 101:288 103:1763 105:521 106:121
107:203 108:462 109:1617 110:813 111:973 112:431
113:715 114:671 115:868 116:865 117:747 118:955
119:1206 120:355 121:681 122:1668 123:1165 124:1297
125:1285 128:531 129:189 130:286 131:660 132:310
133:142 134:245 135:62 136:216 137:234 138:339
139:172 140:476 141:291 142:477 143:376 144:488
145:83 146:511 147:260 148:719 149:326 150:150
151:213 152:449 153:183 154:20 155:433 156:226
157:324 158:283 159:587 160:337 161:390 162:368
163:180 164:577 165:443 166:483 167:563 168:967
169:128 170:921 171:154 172:7 173:1694 174:629
175:450 176:720 177:1444 178:1655 180:1377 181:170
182:1096 183:299 184:619 185:63 186:2085 187:1401
188:1737 189:1619 190:5773 192:6004 193:5408 194:4139
195:3470 196:1244 197:261 198:3874 199:5068 200:5942
201:1971 202:8523 203:8608 204:4356 205:2515 206:2674
207:2735 208:4059 209:3605 210:2748 211:1515 212:2167
213:1868 214:886 215:74 216:5178 217:1582 218:563
219:294 220:1253 221:531 222:337 223:402
End of report
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