* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 22 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 426196
Prefixes after maximum aggregation: 177978
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 212502
Total ASes present in the Internet Routing Table: 39380
Prefixes per ASN: 10.82
Origin-only ASes present in the Internet Routing Table: 33892
Origin ASes announcing only one prefix: 15850
Transit ASes present in the Internet Routing Table: 5488
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1683
Unregistered ASNs in the Routing Table: 414
Number of 32-bit ASNs allocated by the RIRs: 3507
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8452
Special use prefixes present in the Routing Table: 20
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2633256960
Equivalent to 156 /8s, 244 /16s and 80 /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: 148557
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98995
Total APNIC prefixes after maximum aggregation: 31220
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 100460
Unique aggregates announced from the APNIC address blocks: 43116
APNIC Region origin ASes present in the Internet Routing Table: 4748
APNIC Prefixes per ASN: 21.16
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 745
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 712241152
Equivalent to 42 /8s, 115 /16s and 240 /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: 153963
Total ARIN prefixes after maximum aggregation: 77967
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154703
Unique aggregates announced from the ARIN address blocks: 70079
ARIN Region origin ASes present in the Internet Routing Table: 15238
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1087256320
Equivalent to 64 /8s, 206 /16s and 55 /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: 110700
Total RIPE prefixes after maximum aggregation: 57803
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 113529
Unique aggregates announced from the RIPE address blocks: 72836
RIPE Region origin ASes present in the Internet Routing Table: 16952
RIPE Prefixes per ASN: 6.70
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2708
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648759296
Equivalent to 38 /8s, 171 /16s and 72 /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: 43726
Total LACNIC prefixes after maximum aggregation: 8673
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 47217
Unique aggregates announced from the LACNIC address blocks: 22811
LACNIC Region origin ASes present in the Internet Routing Table: 1704
LACNIC Prefixes per ASN: 27.71
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: 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: 119438080
Equivalent to 7 /8s, 30 /16s and 123 /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: 9600
Total AfriNIC prefixes after maximum aggregation: 2256
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 10120
Unique aggregates announced from the AfriNIC address blocks: 3512
AfriNIC Region origin ASes present in the Internet Routing Table: 572
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 178
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 42973952
Equivalent to 2 /8s, 143 /16s and 187 /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 2431 826 46 PT Telekomunikasi Indonesia
4766 2100 11550 602 Korea Telecom (KIX)
7545 1796 301 89 TPG Internet Pty Ltd
4755 1604 374 158 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1173 88 508 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1040 385 165 Bharti Airtel Ltd., Telemedia
9498 1023 310 74 BHARTI Airtel Ltd.
18101 1016 135 169 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 3200 991 190 Windstream Communications Inc
6389 3148 3720 151 BellSouth.net Inc.
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1926 678 124 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1585 1169 392 tw telecom holdings, inc.
30036 1360 280 751 Mediacom Communications Corp
7018 1288 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 1715 544 16 Corbina telecom
12479 854 777 64 France Telecom Espana SA
34984 842 210 209 BILISIM TELEKOM
13188 731 94 130 Ukraine
31148 731 37 9 FreeNet ISP
6830 717 2313 436 UPC Broadband
20940 701 228 548 Akamai Technologies European
8551 618 365 57 Bezeq International
58113 602 67 365 LIR DATACENTER TELECOM SRL
2118 595 97 14 EUnet/RELCOM Autonomous Syste
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 2260 386 205 Types of queries are: POCs, o
28573 2156 1285 66 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 1462 3043 351 Uninet S.A. de C.V.
27947 728 78 88 Telconet S.A
3816 659 309 68 Types of queries are: POCs, o
11172 603 101 68 Alestra, S. de R.L. de C.V.
18881 594 716 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 874 323 38 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 506 958 13 TEDATA
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 3200 991 190 Windstream Communications Inc
6389 3148 3720 151 BellSouth.net Inc.
17974 2431 826 46 PT Telekomunikasi Indonesia
10620 2260 386 205 Types of queries are: POCs, o
28573 2156 1285 66 Types of queries are: POCs, o
4766 2100 11550 602 Korea Telecom (KIX)
18566 2078 381 182 Covad Communications Co.
22773 1945 2931 129 Cox Communications Inc.
1785 1926 678 124 PaeTec Communications, Inc.
7545 1796 301 89 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 3148 2997 BellSouth.net Inc.
17974 2431 2385 PT Telekomunikasi Indonesia
28573 2156 2090 Types of queries are: POCs, o
10620 2260 2055 Types of queries are: POCs, o
18566 2078 1896 Covad Communications Co.
22773 1945 1816 Cox Communications Inc.
1785 1926 1802 PaeTec Communications, Inc.
7545 1796 1707 TPG Internet Pty Ltd
8402 1715 1699 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
128.0.0.0/24 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
/13:476 /14:855 /15:1563 /16:12387 /17:6576 /18:10797
/19:21373 /20:30739 /21:32682 /22:43122 /23:40119 /24:224520
/25:9 /26:12 /27:11 /28:143 /29:189 /30:89
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3200 Windstream Communications Inc
18566 2028 2078 Covad Communications Co.
6389 1778 3148 BellSouth.net Inc.
8402 1433 1715 Corbina telecom
22773 1275 1945 Cox Communications Inc.
30036 1274 1360 Mediacom Communications Corp
11492 1145 1180 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1015 1926 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)
----------------------------------------------
1:584 2:749 3:1 4:13 5:642 6:3
8:486 12:1956 13:3 14:680 15:11 16:3
17:6 20:27 23:212 24:1772 27:1415 31:1302
32:49 33:2 34:2 36:7 37:1057 38:836
39:2 40:140 41:2659 42:179 44:3 46:1653
47:2 49:511 50:602 52:12 54:27 55:4
57:30 58:980 59:545 60:230 61:1271 62:1043
63:2016 64:4326 65:2193 66:4498 67:2102 68:1160
69:3230 70:924 71:555 72:1894 74:2616 75:484
76:299 77:985 78:1010 79:505 80:1233 81:984
82:630 83:539 84:523 85:1161 86:515 87:958
88:348 89:1737 90:305 91:5342 92:588 93:1530
94:1808 95:1402 96:409 97:322 98:973 99:37
100:30 101:286 103:1803 105:514 106:119 107:203
108:462 109:1647 110:808 111:976 112:434 113:709
114:680 115:870 116:866 117:750 118:954 119:1208
120:353 121:664 122:1704 123:1170 124:1291 125:1284
128:527 129:189 130:281 131:658 132:309 133:143
134:245 135:62 136:217 137:234 138:339 139:173
140:478 141:288 142:479 143:361 144:477 145:87
146:523 147:256 148:721 149:328 150:141 151:216
152:448 153:183 154:21 155:433 156:223 157:324
158:278 159:587 160:337 161:390 162:369 163:180
164:576 165:445 166:478 167:560 168:971 169:128
170:922 171:148 172:7 173:1707 174:643 175:452
176:729 177:1471 178:1671 180:1379 181:174 182:1103
183:300 184:629 185:85 186:2038 187:1413 188:1757
189:1588 190:5835 192:5991 193:5426 194:4266 195:3595
196:1239 197:271 198:3898 199:5079 200:5946 201:1974
202:8518 203:8612 204:4369 205:2522 206:2676 207:2741
208:4076 209:3591 210:2748 211:1519 212:2137 213:1865
214:868 215:75 216:5184 217:1594 218:566 219:293
220:1254 221:529 222:337 223:410
End of report
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