* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 26 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422872
Prefixes after maximum aggregation: 177299
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211103
Total ASes present in the Internet Routing Table: 39262
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33765
Origin ASes announcing only one prefix: 15831
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: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1509
Unregistered ASNs in the Routing Table: 353
Number of 32-bit ASNs allocated by the RIRs: 3408
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8234
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2628038400
Equivalent to 156 /8s, 164 /16s and 175 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
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: 147112
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98215
Total APNIC prefixes after maximum aggregation: 31177
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99603
Unique aggregates announced from the APNIC address blocks: 42831
APNIC Region origin ASes present in the Internet Routing Table: 4735
APNIC Prefixes per ASN: 21.04
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 747
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 709569280
Equivalent to 42 /8s, 75 /16s and 43 /24s
Percentage of available APNIC address space announced: 82.9
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: 153194
Total ARIN prefixes after maximum aggregation: 77835
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154031
Unique aggregates announced from the ARIN address blocks: 69508
ARIN Region origin ASes present in the Internet Routing Table: 15229
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5780
ARIN Region transit ASes present in the Internet Routing Table: 1536
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: 1087026432
Equivalent to 64 /8s, 202 /16s and 181 /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: 109356
Total RIPE prefixes after maximum aggregation: 57451
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112051
Unique aggregates announced from the RIPE address blocks: 72301
RIPE Region origin ASes present in the Internet Routing Table: 16893
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8136
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 648427264
Equivalent to 38 /8s, 166 /16s and 55 /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: 43371
Total LACNIC prefixes after maximum aggregation: 8538
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46774
Unique aggregates announced from the LACNIC address blocks: 22834
LACNIC Region origin ASes present in the Internet Routing Table: 1674
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 473
LACNIC Region transit ASes present in the Internet Routing Table: 307
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: 118076160
Equivalent to 7 /8s, 9 /16s and 179 /24s
Percentage of available LACNIC address space announced: 70.4
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: 9759
Total AfriNIC prefixes after maximum aggregation: 2244
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10243
Unique aggregates announced from the AfriNIC address blocks: 3480
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 18.07
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 123
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: 42368512
Equivalent to 2 /8s, 134 /16s and 126 /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 2418 829 55 PT Telekomunikasi Indonesia
4766 2112 11550 604 Korea Telecom (KIX)
7545 1779 301 85 TPG Internet Pty Ltd
4755 1600 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1175 88 512 Sify Limited
24560 1030 381 168 Bharti Airtel Ltd., Telemedia
9498 1029 310 74 BHARTI Airtel Ltd.
18101 1017 135 171 Reliance Infocom Ltd Internet
4808 964 1945 289 CNCGROUP IP network China169
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
6389 3179 3724 164 BellSouth.net Inc.
7029 3131 989 161 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1925 678 125 PaeTec Communications, Inc.
22773 1910 2931 128 Cox Communications Inc.
20115 1665 1586 617 Charter Communications
4323 1591 1171 393 tw telecom holdings, inc.
30036 1350 273 753 Mediacom Communications Corp
7018 1282 10306 854 AT&T Services, Inc.
7011 1221 333 691 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 1798 544 16 Corbina telecom
12479 853 776 64 France Telecom Espana SA
34984 821 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 725 2313 447 UPC Broadband
13188 707 93 134 Ukraine
20940 689 224 546 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
8551 617 364 61 Bezeq International
58113 601 66 364 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 2225 378 227 Types of queries are: POCs, o
28573 2146 1278 61 Types of queries are: POCs, o
7303 1660 1131 201 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1446 3027 352 Uninet S.A. de C.V.
27947 716 75 92 Telconet S.A
3816 653 309 68 Types of queries are: POCs, o
14420 593 89 103 CORPORACION NACIONAL DE TELEC
11172 590 101 66 Alestra, S. de R.L. de C.V.
7738 585 1178 33 Telecomunicacoes da Bahia S.A
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 900 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 651 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 193 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
6389 3179 3724 164 BellSouth.net Inc.
7029 3131 989 161 Windstream Communications Inc
17974 2418 829 55 PT Telekomunikasi Indonesia
10620 2225 378 227 Types of queries are: POCs, o
28573 2146 1278 61 Types of queries are: POCs, o
4766 2112 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1925 678 125 PaeTec Communications, Inc.
22773 1910 2931 128 Cox Communications Inc.
8402 1798 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3131 2970 Windstream Communications Inc
17974 2418 2363 PT Telekomunikasi Indonesia
28573 2146 2085 Types of queries are: POCs, o
10620 2225 1998 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1925 1800 PaeTec Communications, Inc.
22773 1910 1782 Cox Communications Inc.
8402 1798 1782 Corbina telecom
7545 1779 1694 TPG Internet Pty Ltd
4766 2112 1508 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
61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
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
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /9:14 /10:30 /11:87 /12:241
/13:476 /14:852 /15:1557 /16:12397 /17:6533 /18:10785
/19:21190 /20:30405 /21:32397 /22:42642 /23:39891 /24:222771
/25:9 /26:13 /27:11 /28:142 /29:182 /30:88
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3131 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1791 3179 BellSouth.net Inc.
8402 1500 1798 Corbina telecom
30036 1271 1350 Mediacom Communications Corp
22773 1250 1910 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1017 1925 PaeTec Communications, Inc.
7011 957 1221 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:609 2:776 3:1 4:13 5:581 6:3
8:475 12:1976 13:3 14:664 15:11 16:3
17:6 20:27 23:206 24:1785 27:1353 31:1053
32:49 33:2 34:2 36:7 37:917 38:831
39:2 40:136 41:2834 42:175 44:3 46:1628
47:2 49:459 50:604 52:12 54:25 55:9
56:4 57:31 58:978 59:537 60:230 61:1285
62:990 63:1998 64:4277 65:2225 66:4515 67:2077
68:1156 69:3221 70:985 71:506 72:1879 74:2618
75:477 76:308 77:972 78:1009 79:504 80:1235
81:979 82:632 83:544 84:527 85:1153 86:487
87:946 88:361 89:1804 90:303 91:5278 92:596
93:1451 94:1659 95:1223 96:396 97:325 98:966
99:36 100:29 101:286 103:1692 105:512 106:122
107:201 108:454 109:1645 110:808 111:974 112:427
113:718 114:627 115:866 116:888 117:744 118:945
119:1185 120:353 121:682 122:1660 123:1158 124:1304
125:1280 128:545 129:184 130:270 131:610 132:303
133:142 134:241 135:62 136:218 137:234 138:337
139:168 140:463 141:287 142:473 143:379 144:491
145:82 146:510 147:255 148:718 149:329 150:151
151:204 152:448 153:183 154:20 155:435 156:224
157:327 158:264 159:581 160:337 161:390 162:364
163:180 164:562 165:443 166:512 167:561 168:972
169:125 170:921 171:152 172:7 173:1687 174:612
175:450 176:777 177:1335 178:1646 180:1353 181:161
182:1069 183:313 184:609 185:42 186:2237 187:1344
188:1779 189:1554 190:5888 192:5970 193:5548 194:4267
195:3464 196:1235 197:251 198:3858 199:5047 200:5940
201:1961 202:8511 203:8619 204:4339 205:2498 206:2654
207:2731 208:4049 209:3604 210:2756 211:1522 212:2086
213:1838 214:889 215:86 216:5108 217:1570 218:560
219:289 220:1247 221:533 222:338 223:398
End of report
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