* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 29 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 423306
Prefixes after maximum aggregation: 177287
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211414
Total ASes present in the Internet Routing Table: 39282
Prefixes per ASN: 10.78
Origin-only ASes present in the Internet Routing Table: 33777
Origin ASes announcing only one prefix: 15841
Transit ASes present in the Internet Routing Table: 5505
Transit-only ASes present in the Internet Routing Table: 134
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: 1522
Unregistered ASNs in the Routing Table: 359
Number of 32-bit ASNs allocated by the RIRs: 3418
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8243
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2628714240
Equivalent to 156 /8s, 174 /16s and 255 /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: 147290
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 98326
Total APNIC prefixes after maximum aggregation: 31190
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99712
Unique aggregates announced from the APNIC address blocks: 42939
APNIC Region origin ASes present in the Internet Routing Table: 4741
APNIC Prefixes per ASN: 21.03
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 749
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: 709807872
Equivalent to 42 /8s, 78 /16s and 207 /24s
Percentage of available APNIC address space announced: 83.0
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: 153392
Total ARIN prefixes after maximum aggregation: 77800
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154227
Unique aggregates announced from the ARIN address blocks: 69617
ARIN Region origin ASes present in the Internet Routing Table: 15230
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5785
ARIN Region transit ASes present in the Internet Routing Table: 1534
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: 1087208448
Equivalent to 64 /8s, 205 /16s and 124 /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: 109418
Total RIPE prefixes after maximum aggregation: 57455
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 112124
Unique aggregates announced from the RIPE address blocks: 72331
RIPE Region origin ASes present in the Internet Routing Table: 16903
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8138
RIPE Region transit ASes present in the Internet Routing Table: 2717
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: 648461824
Equivalent to 38 /8s, 166 /16s and 190 /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: 43435
Total LACNIC prefixes after maximum aggregation: 8547
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46842
Unique aggregates announced from the LACNIC address blocks: 22907
LACNIC Region origin ASes present in the Internet Routing Table: 1675
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 474
LACNIC Region transit ASes present in the Internet Routing Table: 306
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: 118306304
Equivalent to 7 /8s, 13 /16s and 54 /24s
Percentage of available LACNIC address space announced: 70.5
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: 9751
Total AfriNIC prefixes after maximum aggregation: 2241
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10237
Unique aggregates announced from the AfriNIC address blocks: 3475
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 18.09
AfriNIC Region origin ASes announcing only one prefix: 170
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 42364160
Equivalent to 2 /8s, 134 /16s and 109 /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 2113 11550 604 Korea Telecom (KIX)
7545 1780 301 86 TPG Internet Pty Ltd
4755 1599 376 159 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1181 88 514 Sify Limited
7552 1076 1062 11 Vietel Corporation
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1028 310 74 BHARTI Airtel Ltd.
18101 1018 135 171 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
6389 3178 3724 164 BellSouth.net Inc.
7029 3132 989 161 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1925 678 124 PaeTec Communications, Inc.
22773 1911 2931 128 Cox Communications Inc.
20115 1665 1583 628 Charter Communications
4323 1591 1171 394 tw telecom holdings, inc.
30036 1372 274 725 Mediacom Communications Corp
7018 1281 10306 854 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 1759 544 16 Corbina telecom
12479 853 776 64 France Telecom Espana SA
34984 821 207 198 BILISIM TELEKOM
6830 726 2314 448 UPC Broadband
31148 726 37 9 FreeNet ISP
13188 708 93 135 Ukraine
20940 685 222 545 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
8551 619 364 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 2233 380 225 Types of queries are: POCs, o
28573 2153 1278 61 Types of queries are: POCs, o
7303 1661 1131 201 Telecom Argentina S.A.
6503 1530 435 70 Axtel, S.A.B. de C.V.
8151 1447 3027 350 Uninet S.A. de C.V.
3816 654 309 68 Types of queries are: POCs, o
27947 628 73 85 Telconet S.A
14420 593 89 103 CORPORACION NACIONAL DE TELEC
11172 589 101 65 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 3178 3724 164 BellSouth.net Inc.
7029 3132 989 161 Windstream Communications Inc
17974 2418 829 55 PT Telekomunikasi Indonesia
10620 2233 380 225 Types of queries are: POCs, o
28573 2153 1278 61 Types of queries are: POCs, o
4766 2113 11550 604 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1925 678 124 PaeTec Communications, Inc.
22773 1911 2931 128 Cox Communications Inc.
7545 1780 301 86 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
7029 3132 2971 Windstream Communications Inc
17974 2418 2363 PT Telekomunikasi Indonesia
28573 2153 2092 Types of queries are: POCs, o
10620 2233 2008 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1925 1801 PaeTec Communications, Inc.
22773 1911 1783 Cox Communications Inc.
8402 1759 1743 Corbina telecom
7545 1780 1694 TPG Internet Pty Ltd
4766 2113 1509 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 /15:1558 /16:12407 /17:6541 /18:10783
/19:21194 /20:30523 /21:32416 /22:42686 /23:39926 /24:222969
/25:9 /26:13 /27:11 /28:142 /29:182 /30:88
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3132 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1791 3178 BellSouth.net Inc.
8402 1462 1759 Corbina telecom
30036 1293 1372 Mediacom Communications Corp
22773 1251 1911 Cox Communications Inc.
11492 1149 1184 CABLE ONE, INC.
6503 1050 1530 Axtel, S.A.B. de C.V.
1785 1018 1925 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 2:764 3:1 4:13 5:581 6:3
8:477 12:1976 13:3 14:664 15:11 16:3
17:6 20:27 23:210 24:1785 27:1366 31:1053
32:49 33:2 34:2 36:7 37:918 38:837
39:2 40:136 41:2836 42:175 44:3 46:1624
47:2 49:447 50:602 52:12 54:26 55:6
56:4 57:31 58:980 59:540 60:231 61:1286
62:990 63:1996 64:4276 65:2222 66:4517 67:2115
68:1158 69:3238 70:985 71:506 72:1879 74:2615
75:478 76:308 77:972 78:1004 79:508 80:1236
81:984 82:632 83:543 84:526 85:1149 86:479
87:941 88:360 89:1797 90:303 91:5285 92:596
93:1464 94:1674 95:1218 96:408 97:325 98:968
99:36 100:29 101:288 103:1699 105:512 106:122
107:201 108:455 109:1645 110:807 111:974 112:428
113:718 114:627 115:844 116:859 117:743 118:949
119:1182 120:353 121:682 122:1659 123:1158 124:1305
125:1285 128:546 129:186 130:271 131:639 132:303
133:142 134:241 135:62 136:217 137:235 138:337
139:168 140:458 141:289 142:472 143:374 144:491
145:82 146:511 147:260 148:718 149:329 150:151
151:205 152:448 153:183 154:20 155:436 156:224
157:319 158:286 159:581 160:338 161:390 162:364
163:180 164:563 165:440 166:512 167:561 168:995
169:124 170:917 171:152 172:7 173:1700 174:625
175:454 176:768 177:1336 178:1663 180:1350 181:162
182:1097 183:313 184:609 185:43 186:2189 187:1375
188:1784 189:1584 190:5894 192:5984 193:5553 194:4276
195:3461 196:1235 197:247 198:3842 199:5054 200:5931
201:1954 202:8519 203:8619 204:4335 205:2508 206:2644
207:2727 208:4048 209:3606 210:2756 211:1524 212:2102
213:1842 214:869 215:86 216:5121 217:1571 218:559
219:289 220:1249 221:523 222:338 223:400
End of report
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