* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Fri 01 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 463814
Prefixes after maximum aggregation: 187605
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 233135
Total ASes present in the Internet Routing Table: 45222
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 35339
Origin ASes announcing only one prefix: 16271
Transit ASes present in the Internet Routing Table: 5793
Transit-only ASes present in the Internet Routing Table: 157
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 37
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 688
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 5276
Number of 32-bit ASNs visible in the Routing Table: 4090
Prefixes from 32-bit ASNs in the Routing Table: 12582
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 900
Number of addresses announced to Internet: 2650985696
Equivalent to 158 /8s, 2 /16s and 212 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 162221
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107021
Total APNIC prefixes after maximum aggregation: 33105
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109129
Unique aggregates announced from the APNIC address blocks: 46991
APNIC Region origin ASes present in the Internet Routing Table: 4851
APNIC Prefixes per ASN: 22.50
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 808
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 724
Number of APNIC addresses announced to Internet: 728147456
Equivalent to 43 /8s, 102 /16s and 166 /24s
Percentage of available APNIC address space announced: 85.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 161510
Total ARIN prefixes after maximum aggregation: 81047
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162246
Unique aggregates announced from the ARIN address blocks: 75773
ARIN Region origin ASes present in the Internet Routing Table: 15850
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6000
ARIN Region transit ASes present in the Internet Routing Table: 1612
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 32
Number of ARIN addresses announced to Internet: 1072623872
Equivalent to 63 /8s, 238 /16s and 241 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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: 118477
Total RIPE prefixes after maximum aggregation: 60998
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122279
Unique aggregates announced from the RIPE address blocks: 78803
RIPE Region origin ASes present in the Internet Routing Table: 17494
RIPE Prefixes per ASN: 6.99
RIPE Region origin ASes announcing only one prefix: 8296
RIPE Region transit ASes present in the Internet Routing Table: 2788
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2449
Number of RIPE addresses announced to Internet: 656524256
Equivalent to 39 /8s, 33 /16s and 195 /24s
Percentage of available RIPE address space announced: 95.4
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, 61952-62463, 196608-200191
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: 52056
Total LACNIC prefixes after maximum aggregation: 9758
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56996
Unique aggregates announced from the LACNIC address blocks: 26782
LACNIC Region origin ASes present in the Internet Routing Table: 2026
LACNIC Prefixes per ASN: 28.13
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 374
Average LACNIC Region AS path length visible: 3.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 879
Number of LACNIC addresses announced to Internet: 142240512
Equivalent to 8 /8s, 122 /16s and 107 /24s
Percentage of available LACNIC address space announced: 84.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11620
Total AfriNIC prefixes after maximum aggregation: 2567
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12264
Unique aggregates announced from the AfriNIC address blocks: 4045
AfriNIC Region origin ASes present in the Internet Routing Table: 665
AfriNIC Prefixes per ASN: 18.44
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 132
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 48039936
Equivalent to 2 /8s, 221 /16s and 8 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2715 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2091 319 111 TPG Internet Pty Ltd
4755 1769 391 187 TATA Communications formerly
9829 1553 1242 48 BSNL National Internet Backbo
9498 1211 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
7552 1156 1080 13 Vietel Corporation
4808 1105 2030 315 CNCGROUP IP network: China169
24560 1092 380 165 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3056 3688 56 BellSouth.net Inc.
22773 2191 2939 139 Cox Communications, Inc.
18566 2059 379 179 MegaPath Corporation
1785 2036 684 131 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1636 1118 421 Time Warner Telecom
701 1504 11144 779 MCI Communications Services,
30036 1386 312 576 Mediacom Communications Corp
7018 1348 17797 879 AT&T WorldNet Services
6983 1294 771 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1779 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1103 404 841 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 889 99 49 TOV "Bank-Inform"
6830 775 2328 427 UPC Distribution Services
8551 758 370 41 Bezeq International
12479 675 798 55 Uni2 Autonomous System
6849 654 356 30 JSC UKRTELECOM,
35228 540 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3439 1783 83 NET Servicos de Comunicao S.A
10620 2636 427 234 TVCABLE BOGOTA
7303 1724 1144 233 Telecom Argentina Stet-France
18881 1526 844 20 Global Village Telecom
8151 1334 2838 408 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 818 94 93 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 785 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 884 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3439 1783 83 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2636 427 234 TVCABLE BOGOTA
22773 2191 2939 139 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2091 319 111 TPG Internet Pty Ltd
18566 2059 379 179 MegaPath Corporation
1785 2036 684 131 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3056 3000 BellSouth.net Inc.
17974 2715 2626 PT TELEKOMUNIKASI INDONESIA
10620 2636 2402 TVCABLE BOGOTA
22773 2191 2052 Cox Communications, Inc.
7545 2091 1980 TPG Internet Pty Ltd
1785 2036 1905 PaeTec Communications, Inc.
18566 2059 1880 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1779 1762 OJSC "Vimpelcom"
4755 1769 1582 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62734 UNALLOCATED 8.31.128.0/24 3356 Level 3 Communicatio
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/us/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 /8:16 /9:11 /10:31 /11:92 /12:254
/13:469 /14:910 /15:1610 /16:12776 /17:6644 /18:11033
/19:22692 /20:32453 /21:35208 /22:49559 /23:43175 /24:246537
/25:46 /26:37 /27:25 /28:38 /29:28 /30:142
/31:10 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2013 2059 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1484 1779 OJSC "Vimpelcom"
22773 1457 2191 Cox Communications, Inc.
30036 1234 1386 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1294 ITC^Deltacom
22561 968 1245 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:877 2:822 3:3 4:17 5:1005 6:21
8:611 12:1892 13:3 14:864 15:11 16:3
17:17 18:19 20:21 23:507 24:1740 27:1602
31:1482 32:40 33:2 34:5 36:80 37:1875
38:916 39:4 40:181 41:3200 42:246 44:13
46:2014 47:9 49:681 50:827 52:12 54:42
55:3 56:2 57:26 58:1077 59:568 60:371
61:1452 62:1206 63:1984 64:4361 65:2343 66:4140
67:2098 68:1101 69:3281 70:870 71:489 72:2037
74:2550 75:328 76:295 77:1161 78:1058 79:644
80:1292 81:1017 82:670 83:632 84:580 85:1251
86:419 87:1007 88:563 89:1600 90:150 91:5661
92:610 93:1595 94:2005 95:1591 96:506 97:346
98:1040 99:39 100:30 101:366 103:3478 105:528
106:142 107:212 108:515 109:1912 110:948 111:1099
112:582 113:808 114:723 115:999 116:972 117:811
118:1140 119:1255 120:359 121:727 122:1783 123:1233
124:1315 125:1435 128:600 129:214 130:314 131:656
132:341 133:158 134:542 135:67 136:278 137:264
138:350 139:171 140:165 141:323 142:528 143:399
144:493 145:87 146:517 147:385 148:699 149:366
150:155 151:586 152:411 153:204 154:51 155:490
156:282 157:374 158:282 159:683 160:359 161:452
162:818 163:205 164:630 165:567 166:257 167:629
168:1039 169:124 170:1129 171:182 172:25 173:1607
174:687 175:503 176:1257 177:2351 178:1940 179:195
180:1568 181:787 182:1332 183:454 184:663 185:984
186:2656 187:1465 188:1819 189:1269 190:7208 192:7031
193:5405 194:4025 195:3338 196:1317 197:1014 198:4683
199:5456 200:6075 201:2530 202:8763 203:8839 204:4462
205:2625 206:2751 207:2758 208:4014 209:3634 210:2898
211:1559 212:2117 213:1974 214:892 215:92 216:5344
217:1691 218:616 219:314 220:1273 221:567 222:326
223:503
End of report
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