* BGP Routing Table Analysis Reports *
Routing Table Report 09:00 +10GMT Mon 18 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 466148
Prefixes after maximum aggregation: 187902
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234052
Total ASes present in the Internet Routing Table: 45315
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35374
Origin ASes announcing only one prefix: 16289
Transit ASes present in the Internet Routing Table: 5790
Transit-only ASes present in the Internet Routing Table: 153
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: 860
Unregistered ASNs in the Routing Table: 242
Number of 32-bit ASNs allocated by the RIRs: 5363
Number of 32-bit ASNs visible in the Routing Table: 4151
Prefixes from 32-bit ASNs in the Routing Table: 12855
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1083
Number of addresses announced to Internet: 2652386144
Equivalent to 158 /8s, 24 /16s and 51 /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: 95.2
Total number of prefixes smaller than registry allocations: 162953
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107443
Total APNIC prefixes after maximum aggregation: 33262
APNIC Deaggregation factor: 3.23
Prefixes being announced from the APNIC address blocks: 109640
Unique aggregates announced from the APNIC address blocks: 47442
APNIC Region origin ASes present in the Internet Routing Table: 4840
APNIC Prefixes per ASN: 22.65
APNIC Region origin ASes announcing only one prefix: 1234
APNIC Region transit ASes present in the Internet Routing Table: 806
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: 743
Number of APNIC addresses announced to Internet: 728180224
Equivalent to 43 /8s, 103 /16s and 38 /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: 162002
Total ARIN prefixes after maximum aggregation: 81180
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162552
Unique aggregates announced from the ARIN address blocks: 75917
ARIN Region origin ASes present in the Internet Routing Table: 15854
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1600
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: 37
Number of ARIN addresses announced to Internet: 1072676608
Equivalent to 63 /8s, 239 /16s and 191 /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: 118941
Total RIPE prefixes after maximum aggregation: 60905
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122842
Unique aggregates announced from the RIPE address blocks: 78769
RIPE Region origin ASes present in the Internet Routing Table: 17503
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8301
RIPE Region transit ASes present in the Internet Routing Table: 2786
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: 2474
Number of RIPE addresses announced to Internet: 656686176
Equivalent to 39 /8s, 36 /16s and 60 /24s
Percentage of available RIPE address space announced: 95.5
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: 52612
Total LACNIC prefixes after maximum aggregation: 9810
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 57690
Unique aggregates announced from the LACNIC address blocks: 27031
LACNIC Region origin ASes present in the Internet Routing Table: 2033
LACNIC Prefixes per ASN: 28.38
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 386
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: 891
Number of LACNIC addresses announced to Internet: 142977536
Equivalent to 8 /8s, 133 /16s and 170 /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: 11720
Total AfriNIC prefixes after maximum aggregation: 2591
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 12341
Unique aggregates announced from the AfriNIC address blocks: 4020
AfriNIC Region origin ASes present in the Internet Routing Table: 676
AfriNIC Prefixes per ASN: 18.26
AfriNIC Region origin ASes announcing only one prefix: 199
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 48064512
Equivalent to 2 /8s, 221 /16s and 104 /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 2136 11550 641 Korea Telecom (KIX)
7545 2094 319 111 TPG Internet Pty Ltd
4755 1773 391 189 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1246 95 509 Sify Limited
9498 1216 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1095 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 2039 685 131 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1647 1114 418 Time Warner Telecom
701 1505 11146 781 MCI Communications Services,
30036 1382 311 583 Mediacom Communications Corp
7018 1339 17794 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 1897 544 17 OJSC "Vimpelcom"
34984 1376 245 229 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 3414 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 1347 2851 411 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 812 373 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 888 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 413 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 254 920 214 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 3414 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 2136 11550 641 Korea Telecom (KIX)
7545 2094 319 111 TPG Internet Pty Ltd
18566 2058 379 178 MegaPath Corporation
1785 2039 685 131 PaeTec Communications, Inc.
8402 1897 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 2094 1983 TPG Internet Pty Ltd
1785 2039 1908 PaeTec Communications, Inc.
18566 2058 1880 MegaPath Corporation
8402 1897 1880 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
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
23.91.14.0/24 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
23.91.164.0/22 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 /14:912 /15:1610 /16:12762 /17:6666 /18:11089
/19:22815 /20:32651 /21:35328 /22:49420 /23:43406 /24:248175
/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 1577 1897 OJSC "Vimpelcom"
22773 1461 2202 Cox Communications, Inc.
30036 1228 1382 Mediacom Communications Corp
11492 1193 1231 Cable One
1785 1086 2039 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 2:845 3:3 4:17 5:1027 6:21
8:618 12:1882 13:3 14:874 15:11 16:3
17:15 18:19 20:21 23:558 24:1745 27:1623
31:1503 32:43 33:2 34:5 36:86 37:1920
38:913 39:5 40:182 41:3234 42:272 44:13
46:2022 47:10 49:689 50:827 52:12 54:43
55:7 56:4 57:26 58:1090 59:566 60:378
61:1450 62:1239 63:1980 64:4320 65:2342 66:4154
67:2112 68:1106 69:3288 70:871 71:489 72:2043
74:2563 75:325 76:296 77:1157 78:1049 79:675
80:1298 81:1037 82:646 83:659 84:584 85:1253
86:383 87:1005 88:561 89:1557 90:150 91:5661
92:621 93:1606 94:2058 95:1625 96:509 97:350
98:1036 99:41 100:30 101:399 103:3586 105:527
106:140 107:215 108:511 109:1971 110:964 111:1111
112:587 113:807 114:730 115:1008 116:992 117:805
118:1174 119:1249 120:327 121:732 122:1784 123:1232
124:1362 125:1430 128:627 129:214 130:336 131:650
132:352 133:158 134:546 135:72 136:282 137:244
138:349 139:171 140:171 141:318 142:533 143:409
144:492 145:90 146:520 147:375 148:713 149:368
150:132 151:652 152:411 153:205 154:52 155:496
156:291 157:370 158:280 159:694 160:360 161:451
162:856 163:201 164:630 165:580 166:259 167:635
168:1036 169:121 170:1115 171:184 172:27 173:1585
174:689 175:510 176:1310 177:2448 178:1961 179:298
180:1583 181:874 182:1375 183:464 184:660 185:1028
186:2631 187:1473 188:1873 189:1262 190:7285 192:6997
193:5419 194:4035 195:3370 196:1323 197:1035 198:4692
199:5451 200:6052 201:2517 202:8774 203:8801 204:4470
205:2620 206:2747 207:2772 208:3990 209:3645 210:2908
211:1557 212:2155 213:1993 214:898 215:91 216:5417
217:1686 218:618 219:316 220:1273 221:579 222:326
223:504
End of report
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