* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Sun 17 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 462560
Prefixes after maximum aggregation: 187171
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232087
Total ASes present in the Internet Routing Table: 45202
Prefixes per ASN: 10.23
Origin-only ASes present in the Internet Routing Table: 35262
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5791
Transit-only ASes present in the Internet Routing Table: 151
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: 861
Unregistered ASNs in the Routing Table: 243
Number of 32-bit ASNs allocated by the RIRs: 5359
Number of 32-bit ASNs visible in the Routing Table: 4149
Prefixes from 32-bit ASNs in the Routing Table: 12889
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1084
Number of addresses announced to Internet: 2648897376
Equivalent to 157 /8s, 226 /16s and 247 /24s
Percentage of available address space announced: 71.5
Percentage of allocated address space announced: 71.5
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.2
Total number of prefixes smaller than registry allocations: 160005
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107356
Total APNIC prefixes after maximum aggregation: 33248
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109574
Unique aggregates announced from the APNIC address blocks: 47393
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.64
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 745
Number of APNIC addresses announced to Internet: 728306176
Equivalent to 43 /8s, 105 /16s and 18 /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: 162003
Total ARIN prefixes after maximum aggregation: 81202
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162534
Unique aggregates announced from the ARIN address blocks: 75918
ARIN Region origin ASes present in the Internet Routing Table: 15857
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6003
ARIN Region transit ASes present in the Internet Routing Table: 1608
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: 36
Number of ARIN addresses announced to Internet: 1072663040
Equivalent to 63 /8s, 239 /16s and 138 /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: 115515
Total RIPE prefixes after maximum aggregation: 60172
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 119400
Unique aggregates announced from the RIPE address blocks: 76840
RIPE Region origin ASes present in the Internet Routing Table: 17397
RIPE Prefixes per ASN: 6.86
RIPE Region origin ASes announcing only one prefix: 8278
RIPE Region transit ASes present in the Internet Routing Table: 2777
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2469
Number of RIPE addresses announced to Internet: 653144672
Equivalent to 38 /8s, 238 /16s and 50 /24s
Percentage of available RIPE address space announced: 95.0
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: 52529
Total LACNIC prefixes after maximum aggregation: 9803
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57656
Unique aggregates announced from the LACNIC address blocks: 27032
LACNIC Region origin ASes present in the Internet Routing Table: 2030
LACNIC Prefixes per ASN: 28.40
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 385
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 893
Number of LACNIC addresses announced to Internet: 142976256
Equivalent to 8 /8s, 133 /16s and 165 /24s
Percentage of available LACNIC address space announced: 85.2
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: 11694
Total AfriNIC prefixes after maximum aggregation: 2593
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12312
Unique aggregates announced from the AfriNIC address blocks: 4032
AfriNIC Region origin ASes present in the Internet Routing Table: 673
AfriNIC Prefixes per ASN: 18.29
AfriNIC Region origin ASes announcing only one prefix: 197
AfriNIC Region transit ASes present in the Internet Routing Table: 130
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: 48009728
Equivalent to 2 /8s, 220 /16s and 146 /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 2712 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2135 11550 641 Korea Telecom (KIX)
7545 2093 319 110 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1539 1245 45 BSNL National Internet Backbo
9583 1242 94 508 Sify Limited
9498 1213 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 380 163 Bharti Airtel Ltd., Telemedia
4808 1082 2024 311 CNCGROUP IP network: China169
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 3049 3688 54 BellSouth.net Inc.
22773 2202 2939 139 Cox Communications, Inc.
18566 2058 379 178 MegaPath Corporation
1785 2038 685 130 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1645 1113 417 Time Warner Telecom
701 1505 11146 781 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1341 17795 878 AT&T WorldNet Services
6983 1295 772 580 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 1866 544 17 OJSC "Vimpelcom"
34984 1363 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1124 415 852 Akamai Technologies European
31148 1005 45 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
8551 786 370 41 Bezeq International
6830 778 2329 430 UPC Distribution Services
12479 680 798 55 Uni2 Autonomous System
35228 545 246 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 3412 1793 87 NET Servicos de Comunicao S.A
10620 2666 432 219 Telmex Colombia S.A.
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1621 908 20 Global Village Telecom
8151 1346 2851 411 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 813 373 27 Telefonica Del Peru
6503 789 434 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 887 338 26 LINKdotNET AS number
6713 552 633 26 Itissalat Al-MAGHRIB
8452 418 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 221 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 3412 1793 87 NET Servicos de Comunicao S.A
6389 3049 3688 54 BellSouth.net Inc.
17974 2712 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2666 432 219 Telmex Colombia S.A.
22773 2202 2939 139 Cox Communications, Inc.
4766 2135 11550 641 Korea Telecom (KIX)
7545 2093 319 110 TPG Internet Pty Ltd
18566 2058 379 178 MegaPath Corporation
1785 2038 685 130 PaeTec Communications, Inc.
8402 1866 544 17 OJSC "Vimpelcom"
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 3049 2995 BellSouth.net Inc.
17974 2712 2624 PT TELEKOMUNIKASI INDONESIA
10620 2666 2447 Telmex Colombia S.A.
22773 2202 2063 Cox Communications, Inc.
7545 2093 1983 TPG Internet Pty Ltd
1785 2038 1908 PaeTec Communications, Inc.
18566 2058 1880 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1866 1849 OJSC "Vimpelcom"
18881 1621 1601 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
62828 UNALLOCATED 8.21.130.0/24 4323 Time Warner Telecom
62850 UNALLOCATED 8.25.147.0/24 3356 Level 3 Communicatio
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
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
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.
23.91.0.0/19 40676 Psychz Networks
23.91.4.0/24 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 37958 ChinaCache Networks ASN
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 /14:911 /15:1608 /16:12747 /17:6650 /18:11065
/19:22770 /20:32593 /21:35137 /22:49214 /23:43147 /24:245404
/25:45 /26:38 /27:26 /28:42 /29:40 /30:213
/31:12 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1704 3049 BellSouth.net Inc.
8402 1543 1866 OJSC "Vimpelcom"
22773 1461 2202 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1085 2038 PaeTec Communications, Inc.
6983 1035 1295 ITC^Deltacom
22561 965 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:898 2:823 3:3 4:17 5:725 6:21
8:618 12:1881 13:3 14:874 15:11 16:3
17:15 18:19 20:21 23:559 24:1745 27:1623
31:1223 32:43 33:2 34:5 36:86 37:1613
38:914 39:5 40:182 41:3227 42:272 44:13
46:1846 47:10 49:689 50:829 52:12 54:43
55:6 56:4 57:26 58:1080 59:566 60:378
61:1452 62:1232 63:1974 64:4319 65:2340 66:4142
67:2114 68:1106 69:3286 70:872 71:489 72:2036
74:2562 75:325 76:296 77:1134 78:1011 79:675
80:1295 81:1029 82:644 83:660 84:577 85:1243
86:368 87:1025 88:559 89:1527 90:150 91:5548
92:600 93:1586 94:1914 95:1196 96:509 97:350
98:1032 99:41 100:31 101:399 103:3583 105:527
106:140 107:215 108:516 109:1884 110:946 111:1111
112:588 113:808 114:731 115:1009 116:993 117:805
118:1180 119:1250 120:313 121:732 122:1785 123:1240
124:1363 125:1428 128:630 129:214 130:336 131:653
132:352 133:158 134:547 135:72 136:282 137:244
138:348 139:171 140:170 141:318 142:533 143:409
144:491 145:90 146:501 147:391 148:712 149:365
150:135 151:641 152:411 153:205 154:51 155:494
156:291 157:368 158:280 159:691 160:360 161:450
162:854 163:201 164:565 165:579 166:259 167:635
168:1038 169:121 170:1114 171:184 172:27 173:1585
174:689 175:510 176:1106 177:2463 178:1868 179:297
180:1577 181:866 182:1374 183:464 184:658 185:1026
186:2633 187:1474 188:1671 189:1259 190:7269 192:6992
193:5388 194:4022 195:3363 196:1328 197:1036 198:4690
199:5451 200:6052 201:2515 202:8775 203:8797 204:4469
205:2623 206:2747 207:2772 208:3993 209:3643 210:2909
211:1557 212:2140 213:1979 214:895 215:91 216:5416
217:1689 218:618 219:316 220:1273 221:578 222:326
223:503
End of report
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