* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 30 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 313970
Prefixes after maximum aggregation: 126760
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 156723
Total ASes present in the Internet Routing Table: 32848
Prefixes per ASN: 9.56
Origin-only ASes present in the Internet Routing Table: 27852
Origin ASes announcing only one prefix: 14329
Transit ASes present in the Internet Routing Table: 4996
Transit-only ASes present in the Internet Routing Table: 349
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) 35
Prefixes from unregistered ASNs in the Routing Table: 1418
Unregistered ASNs in the Routing Table: 391
Number of 32-bit ASNs allocated by the RIRs: 3540
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8094
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 91
Number of addresses announced to Internet: 2266104832
Equivalent to 135 /8s, 18 /16s and 4 /24s
Percentage of available address space announced: 61.2
Percentage of allocated address space announced: 61.2
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: 124474
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 59645
Total APNIC prefixes after maximum aggregation: 15468
APNIC Deaggregation factor: 3.86
Prefixes being announced from the APNIC address blocks: 60599
Unique aggregates announced from the APNIC address blocks: 24043
APNIC Region origin ASes present in the Internet Routing Table: 3002
APNIC Prefixes per ASN: 20.19
APNIC Region origin ASes announcing only one prefix: 833
APNIC Region transit ASes present in the Internet Routing Table: 609
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: 557825024
Equivalent to 33 /8s, 63 /16s and 188 /24s
Percentage of available APNIC address space announced: 65.2
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: 107003
Total ARIN prefixes after maximum aggregation: 51406
ARIN Deaggregation factor: 2.08
Prefixes being announced from the ARIN address blocks: 107647
Unique aggregates announced from the ARIN address blocks: 46760
ARIN Region origin ASes present in the Internet Routing Table: 11526
ARIN Prefixes per ASN: 9.34
ARIN Region origin ASes announcing only one prefix: 5033
ARIN Region transit ASes present in the Internet Routing Table: 1276
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: 953243904
Equivalent to 56 /8s, 209 /16s and 89 /24s
Percentage of available ARIN address space announced: 50.4
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: 99527
Total RIPE prefixes after maximum aggregation: 52502
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 102650
Unique aggregates announced from the RIPE address blocks: 66798
RIPE Region origin ASes present in the Internet Routing Table: 16149
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 7950
RIPE Region transit ASes present in the Internet Routing Table: 2639
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 600152832
Equivalent to 35 /8s, 197 /16s and 155 /24s
Percentage of available RIPE address space announced: 87.2
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: 30199
Total LACNIC prefixes after maximum aggregation: 5166
LACNIC Deaggregation factor: 5.85
Prefixes being announced from the LACNIC address blocks: 33314
Unique aggregates announced from the LACNIC address blocks: 15619
LACNIC Region origin ASes present in the Internet Routing Table: 1232
LACNIC Prefixes per ASN: 27.04
LACNIC Region origin ASes announcing only one prefix: 334
LACNIC Region transit ASes present in the Internet Routing Table: 278
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: 90055680
Equivalent to 5 /8s, 94 /16s and 36 /24s
Percentage of available LACNIC address space announced: 53.7
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: 9111
Total AfriNIC prefixes after maximum aggregation: 2183
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 9668
Unique aggregates announced from the AfriNIC address blocks: 3420
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 17.08
AfriNIC Region origin ASes announcing only one prefix: 179
AfriNIC Region transit ASes present in the Internet Routing Table: 122
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 42375424
Equivalent to 2 /8s, 134 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 42.1
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 2145 802 40 PT Telekomunikasi Indonesia
9829 1370 1123 40 National Internet Backbone
7545 1320 217 19 TPG Internet Pty Ltd
4755 1129 298 99 TATA Communications formerly
24560 1017 383 145 Bharti Airtel Ltd., Telemedia
7552 986 1054 9 Vietel Corporation
9498 921 276 53 BHARTI Airtel Ltd.
4766 690 8526 290 Korea Telecom (KIX)
4808 639 1518 175 CNCGROUP IP network China169
45528 636 40 80 Tikona Digital Networks Pvt L
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 2718 886 151 Windstream Communications Inc
6389 2606 3504 119 BellSouth.net Inc.
18566 1927 369 151 Covad Communications Co.
22773 1857 2910 82 Cox Communications Inc.
20115 1649 1601 596 Charter Communications
30036 1364 280 745 Mediacom Communications Corp
7011 1191 330 675 Frontier Communications of Am
11492 1180 210 338 CABLE ONE, INC.
1785 1008 379 60 PaeTec Communications, Inc.
19262 963 4704 394 Verizon Online LLC
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 1640 540 15 Corbina telecom
12479 843 772 58 France Telecom Espana SA
13188 741 94 132 Ukraine
31148 701 36 12 FreeNet ISP
20940 697 228 542 Akamai Technologies European
58113 601 67 364 LIR DATACENTER TELECOM SRL
8551 591 347 32 Bezeq International
6830 572 2100 385 UPC Broadband
2118 528 97 15 EUnet/RELCOM Autonomous Syste
34984 527 156 112 BILISIM TELEKOM
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 2147 361 198 Types of queries are: POCs, o
28573 1893 1082 42 Types of queries are: POCs, o
7303 1475 1048 178 Telecom Argentina S.A.
6503 1209 361 22 Axtel, S.A.B. de C.V.
8151 1143 2437 210 Uninet S.A. de C.V.
27947 599 67 71 Telconet S.A
3816 576 272 57 Types of queries are: POCs, o
18881 562 640 12 Global Village Telecom
14522 439 120 4 Types of queries are: POCs, o
14420 395 92 94 CORPORACION NACIONAL DE TELEC
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 840 271 34 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 512 658 19 Itissalat Al-MAGHRIB
8452 505 954 11 TEDATA
24835 285 76 7 RAYA Telecom - Egypt
3741 266 905 223 The Internet Solution
12258 194 28 66 Vodacom Internet Company
29975 191 667 21 Vodacom
15399 183 29 5 Wananchi Online Limited
15706 166 30 5 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 2718 886 151 Windstream Communications Inc
6389 2606 3504 119 BellSouth.net Inc.
10620 2147 361 198 Types of queries are: POCs, o
17974 2145 802 40 PT Telekomunikasi Indonesia
18566 1927 369 151 Covad Communications Co.
28573 1893 1082 42 Types of queries are: POCs, o
22773 1857 2910 82 Cox Communications Inc.
20115 1649 1601 596 Charter Communications
8402 1640 540 15 Corbina telecom
7303 1475 1048 178 Telecom Argentina S.A.
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 2606 2487 BellSouth.net Inc.
17974 2145 2105 PT Telekomunikasi Indonesia
10620 2147 1949 Types of queries are: POCs, o
28573 1893 1851 Types of queries are: POCs, o
18566 1927 1776 Covad Communications Co.
22773 1857 1775 Cox Communications Inc.
8402 1640 1625 Corbina telecom
9829 1370 1330 National Internet Backbone
7545 1320 1301 TPG Internet Pty Ltd
7303 1475 1297 Telecom Argentina S.A.
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
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Data Networks
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
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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 SWITCH Communications Group L
65.111.1.0/24 32258 SDN Global
66.171.32.0/20 705 MCI Communications Services,
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 /8:18 /9:12 /10:27 /11:80 /12:223
/13:425 /14:752 /15:1345 /16:10698 /17:5384 /18:8407
/19:15597 /20:24266 /21:26198 /22:33603 /23:31074 /24:155557
/25:3 /26:7 /27:5 /28:24 /29:102 /30:46
/31:0 /32:117
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2278 2718 Windstream Communications Inc
18566 1885 1927 Covad Communications Co.
6389 1495 2606 BellSouth.net Inc.
8402 1351 1640 Corbina telecom
30036 1280 1364 Mediacom Communications Corp
22773 1265 1857 Cox Communications Inc.
11492 1145 1180 CABLE ONE, INC.
6503 935 1209 Axtel, S.A.B. de C.V.
7011 932 1191 Frontier Communications of Am
13977 845 856 FAIRPOINT COMMUNICATIONS, INC
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:606 2:691 3:1 4:13 5:657 6:3
8:489 12:1955 13:3 14:686 15:11 16:3
17:6 20:27 23:214 24:1774 27:1412 31:1312
32:49 33:2 34:2 36:7 37:1055 38:837
39:2 40:140 41:2596 42:179 44:3 46:1678
47:3 49:514 50:609 52:12 54:27 55:6
57:31 58:988 59:547 60:229 61:1270 62:1042
63:2015 64:4325 65:2193 66:4487 67:2087 68:1165
69:3233 70:926 71:556 72:1891 74:2620 75:479
76:299 77:975 78:1001 79:504 80:1217 81:981
82:633 83:539 84:529 85:1149 86:478 87:956
88:354 89:1738 90:305 91:5347 92:589 93:1573
94:2009 95:1200 96:408 97:323 98:966 99:37
100:30 101:282 103:1846 105:516 106:119 107:204
108:467 109:1648 110:796 111:969 112:454 113:719
114:638 115:873 116:870 117:750 118:962 119:1212
120:368 121:664 122:1700 123:1166 124:1291 125:1289
128:539 129:189 130:281 131:661 132:312 133:143
134:243 135:62 136:214 137:231 138:340 139:165
140:278 141:291 142:480 143:366 144:489 145:86
146:517 147:259 148:721 149:328 150:149 151:214
152:396 153:183 154:21 155:439 156:223 157:329
158:279 159:591 160:335 161:392 162:368 163:181
164:577 165:442 166:479 167:562 168:977 169:128
170:976 171:149 172:6 173:1690 174:633 175:457
176:884 177:1446 178:1677 180:1347 181:178 182:1108
183:302 184:637 185:103 186:2056 187:1438 188:1781
189:1595 190:5971 192:6015 193:5426 194:4264 195:3534
196:1233 197:265 198:3895 199:420
End of report
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