* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 11 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421455
Prefixes after maximum aggregation: 176874
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210376
Total ASes present in the Internet Routing Table: 39167
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 33683
Origin ASes announcing only one prefix: 15797
Transit ASes present in the Internet Routing Table: 5484
Transit-only ASes present in the Internet Routing Table: 128
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1469
Unregistered ASNs in the Routing Table: 328
Number of 32-bit ASNs allocated by the RIRs: 3365
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8112
Special use prefixes present in the Routing Table: 18
Prefixes being announced from unallocated address space: 160
Number of addresses announced to Internet: 2626018304
Equivalent to 156 /8s, 133 /16s and 220 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 146015
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97762
Total APNIC prefixes after maximum aggregation: 31087
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99080
Unique aggregates announced from the APNIC address blocks: 42893
APNIC Region origin ASes present in the Internet Routing Table: 4725
APNIC Prefixes per ASN: 20.97
APNIC Region origin ASes announcing only one prefix: 1270
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: 708868352
Equivalent to 42 /8s, 64 /16s and 121 /24s
Percentage of available APNIC address space announced: 82.8
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: 152910
Total ARIN prefixes after maximum aggregation: 77696
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153735
Unique aggregates announced from the ARIN address blocks: 69312
ARIN Region origin ASes present in the Internet Routing Table: 15201
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5775
ARIN Region transit ASes present in the Internet Routing Table: 1540
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086687232
Equivalent to 64 /8s, 197 /16s and 136 /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: 109209
Total RIPE prefixes after maximum aggregation: 57338
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111896
Unique aggregates announced from the RIPE address blocks: 71898
RIPE Region origin ASes present in the Internet Routing Table: 16860
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8122
RIPE Region transit ASes present in the Internet Routing Table: 2697
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: 648167936
Equivalent to 38 /8s, 162 /16s and 66 /24s
Percentage of available RIPE address space announced: 94.2
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: 43118
Total LACNIC prefixes after maximum aggregation: 8445
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 46495
Unique aggregates announced from the LACNIC address blocks: 22584
LACNIC Region origin ASes present in the Internet Routing Table: 1655
LACNIC Prefixes per ASN: 28.09
LACNIC Region origin ASes announcing only one prefix: 457
LACNIC Region transit ASes present in the Internet Routing Table: 304
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: 117569024
Equivalent to 7 /8s, 1 /16s and 246 /24s
Percentage of available LACNIC address space announced: 70.1
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: 9615
Total AfriNIC prefixes after maximum aggregation: 2251
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10088
Unique aggregates announced from the AfriNIC address blocks: 3546
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.85
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 124
Average AfriNIC Region AS path length visible: 3.5
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: 42158080
Equivalent to 2 /8s, 131 /16s and 72 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2365 830 54 PT Telekomunikasi Indonesia
4766 2112 11421 606 Korea Telecom (KIX)
7545 1765 301 87 TPG Internet Pty Ltd
4755 1605 387 162 TATA Communications formerly
9829 1399 1154 41 National Internet Backbone
9583 1213 90 520 Sify Limited
7552 1104 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1021 310 74 BHARTI Airtel Ltd.
18101 1015 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
6389 3226 3727 171 BellSouth.net Inc.
7029 3126 990 162 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
20115 1655 1582 618 Charter Communications
4323 1583 1170 391 tw telecom holdings, inc.
30036 1355 271 744 Mediacom Communications Corp
7018 1276 10321 852 AT&T Services, Inc.
7011 1206 329 700 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 1712 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 821 770 73 France Telecom Espana SA
34984 793 206 180 BILISIM TELEKOM
6830 727 2313 447 UPC Broadband
31148 724 37 9 FreeNet ISP
13188 696 92 156 Ukraine
20940 689 223 535 Akamai Technologies European
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 598 364 61 Bezeq International
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 2204 379 219 Types of queries are: POCs, o
28573 2118 1277 60 Types of queries are: POCs, o
7303 1566 1035 202 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1452 3064 345 Uninet S.A. de C.V.
27947 705 74 87 Telconet S.A
3816 649 309 69 Types of queries are: POCs, o
11172 592 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 101 CORPORACION NACIONAL DE TELEC
7738 586 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 892 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 686 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
29571 164 14 18 Ci Telecom Autonomous system
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 3226 3727 171 BellSouth.net Inc.
7029 3126 990 162 Windstream Communications Inc
17974 2365 830 54 PT Telekomunikasi Indonesia
10620 2204 379 219 Types of queries are: POCs, o
28573 2118 1277 60 Types of queries are: POCs, o
4766 2112 11421 606 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
7545 1765 301 87 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 3126 2964 Windstream Communications Inc
17974 2365 2311 PT Telekomunikasi Indonesia
28573 2118 2058 Types of queries are: POCs, o
10620 2204 1985 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1928 1800 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications Inc.
8402 1712 1696 Corbina telecom
7545 1765 1678 TPG Internet Pty Ltd
4766 2112 1506 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
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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.
59457 UNALLOCATED 5.149.64.0/19 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
128.0.80.0/20 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
128.0.168.0/21 15772 W-NET Kiev
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 /12:242
/13:475 /14:851 /15:1556 /16:12399 /17:6510 /18:10779
/19:21129 /20:30330 /21:32259 /22:42432 /23:39760 /24:222012
/25:9 /26:13 /27:10 /28:142 /29:170 /30:88
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2616 3126 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1802 3226 BellSouth.net Inc.
8402 1428 1712 Corbina telecom
30036 1285 1355 Mediacom Communications Corp
22773 1245 1906 Cox Communications Inc.
11492 1165 1202 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1017 1928 PaeTec Communications, Inc.
7011 945 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:592 2:740 3:1 4:13 5:559 6:3
8:467 12:1974 13:1 14:654 15:11 16:3
17:6 20:27 23:201 24:1785 27:1372 31:1040
32:49 33:2 34:2 36:7 37:842 38:823
39:2 40:133 41:2792 42:158 44:3 46:1604
47:2 49:455 50:587 52:12 54:24 55:8
56:3 57:31 58:981 59:534 60:231 61:1272
62:949 63:1995 64:4270 65:2210 66:4516 67:2097
68:1153 69:3227 70:955 71:505 72:1862 74:2607
75:483 76:267 77:957 78:961 79:502 80:1246
81:972 82:640 83:539 84:524 85:1161 86:483
87:943 88:364 89:1803 90:304 91:5244 92:583
93:1508 94:1629 95:1109 96:396 97:325 98:965
99:36 100:28 101:264 103:1623 105:512 106:120
107:199 108:455 109:1586 110:805 111:964 112:436
113:711 114:618 115:885 116:871 117:738 118:963
119:1187 120:333 121:676 122:1592 123:1164 124:1297
125:1282 128:529 129:183 130:275 131:631 132:298
133:22 134:242 135:62 136:221 137:236 138:337
139:170 140:471 141:285 142:467 143:381 144:487
145:82 146:500 147:267 148:731 149:327 150:147
151:205 152:449 153:179 154:19 155:394 156:223
157:327 158:258 159:580 160:346 161:385 162:363
163:180 164:556 165:419 166:525 167:554 168:981
169:126 170:912 171:148 172:7 173:1665 174:615
175:428 176:777 177:1280 178:1621 180:1344 181:149
182:1062 183:297 184:607 185:24 186:2253 187:1308
188:1736 189:1588 190:5783 192:5996 193:5760 194:4619
195:3669 196:1234 197:235 198:3788 199:5020 200:5940
201:1958 202:8489 203:8593 204:4322 205:2523 206:2674
207:2763 208:4050 209:3622 210:2756 211:1522 212:2029
213:1822 214:883 215:86 216:5079 217:1575 218:559
219:295 220:1242 221:534 222:337 223:409
End of report
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