[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 5 18:12:03 UTC 2015
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 06 Jun, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 547692
Prefixes after maximum aggregation (per Origin AS): 207937
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 266421
Total ASes present in the Internet Routing Table: 50534
Prefixes per ASN: 10.84
Origin-only ASes present in the Internet Routing Table: 36693
Origin ASes announcing only one prefix: 16281
Transit ASes present in the Internet Routing Table: 6318
Transit-only ASes present in the Internet Routing Table: 164
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1186
Unregistered ASNs in the Routing Table: 419
Number of 32-bit ASNs allocated by the RIRs: 9729
Number of 32-bit ASNs visible in the Routing Table: 7523
Prefixes from 32-bit ASNs in the Routing Table: 27427
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 384
Number of addresses announced to Internet: 2770664672
Equivalent to 165 /8s, 36 /16s and 252 /24s
Percentage of available address space announced: 74.8
Percentage of allocated address space announced: 74.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.4
Total number of prefixes smaller than registry allocations: 183256
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 135256
Total APNIC prefixes after maximum aggregation: 39207
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 141679
Unique aggregates announced from the APNIC address blocks: 56816
APNIC Region origin ASes present in the Internet Routing Table: 5059
APNIC Prefixes per ASN: 28.01
APNIC Region origin ASes announcing only one prefix: 1201
APNIC Region transit ASes present in the Internet Routing Table: 876
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1478
Number of APNIC addresses announced to Internet: 749103296
Equivalent to 44 /8s, 166 /16s and 104 /24s
Percentage of available APNIC address space announced: 87.5
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 179934
Total ARIN prefixes after maximum aggregation: 88238
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182237
Unique aggregates announced from the ARIN address blocks: 85060
ARIN Region origin ASes present in the Internet Routing Table: 16629
ARIN Prefixes per ASN: 10.96
ARIN Region origin ASes announcing only one prefix: 6123
ARIN Region transit ASes present in the Internet Routing Table: 1740
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 469
Number of ARIN addresses announced to Internet: 1092423456
Equivalent to 65 /8s, 29 /16s and 15 /24s
Percentage of available ARIN address space announced: 57.8
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, 64198-64296, 393216-395164
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: 132826
Total RIPE prefixes after maximum aggregation: 66036
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 139044
Unique aggregates announced from the RIPE address blocks: 86274
RIPE Region origin ASes present in the Internet Routing Table: 17953
RIPE Prefixes per ASN: 7.74
RIPE Region origin ASes announcing only one prefix: 8136
RIPE Region transit ASes present in the Internet Routing Table: 2967
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3754
Number of RIPE addresses announced to Internet: 694885632
Equivalent to 41 /8s, 107 /16s and 29 /24s
Percentage of available RIPE address space announced: 101.0
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, 196608-202239
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: 60073
Total LACNIC prefixes after maximum aggregation: 11368
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 70461
Unique aggregates announced from the LACNIC address blocks: 32746
LACNIC Region origin ASes present in the Internet Routing Table: 2448
LACNIC Prefixes per ASN: 28.78
LACNIC Region origin ASes announcing only one prefix: 625
LACNIC Region transit ASes present in the Internet Routing Table: 498
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1706
Number of LACNIC addresses announced to Internet: 168343040
Equivalent to 10 /8s, 8 /16s and 182 /24s
Percentage of available LACNIC address space announced: 100.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 11950
Total AfriNIC prefixes after maximum aggregation: 3046
AfriNIC Deaggregation factor: 3.92
Prefixes being announced from the AfriNIC address blocks: 13887
Unique aggregates announced from the AfriNIC address blocks: 5185
AfriNIC Region origin ASes present in the Internet Routing Table: 729
AfriNIC Prefixes per ASN: 19.05
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 155
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 116
Number of AfriNIC addresses announced to Internet: 65576704
Equivalent to 3 /8s, 232 /16s and 159 /24s
Percentage of available AfriNIC address space announced: 65.1
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
4766 2923 11557 914 Korea Telecom
17974 2688 904 81 PT Telekomunikasi Indonesia
7545 2610 336 130 TPG Telecom Limited
4755 2025 423 219 TATA Communications formerly
4538 1935 4190 72 China Education and Research
9829 1690 1341 90 National Internet Backbone
9808 1584 8717 28 Guangdong Mobile Communicatio
9583 1485 120 584 Sify Limited
4808 1447 2237 466 CNCGROUP IP network China169
9498 1336 335 102 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3091 2958 141 Cox Communications Inc.
6389 2796 3688 51 BellSouth.net Inc.
3356 2566 10687 496 Level 3 Communications, Inc.
18566 2047 379 189 MegaPath Corporation
20115 1883 1849 425 Charter Communications
6983 1748 850 244 EarthLink, Inc.
4323 1604 1022 409 tw telecom holdings, inc.
30036 1549 314 471 Mediacom Communications Corp
701 1392 11354 680 MCI Communications Services,
22561 1365 414 250 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2056 305 358 TELLCOM ILETISIM HIZMETLERI A
20940 1930 757 1403 Akamai International B.V.
6849 1213 356 24 JSC "Ukrtelecom"
31148 1049 45 23 Freenet Ltd.
8402 1046 544 15 OJSC "Vimpelcom"
13188 1040 97 70 TOV "Bank-Inform"
12479 946 868 72 France Telecom Espana SA
6830 906 2693 466 Liberty Global Operations B.V
8551 872 376 52 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3247 532 204 Telmex Colombia S.A.
28573 2230 2167 114 NET Serviços de Comunicação S
8151 1693 3257 469 Uninet S.A. de C.V.
7303 1667 1047 237 Telecom Argentina S.A.
6147 1617 374 23 Telefonica del Peru S.A.A.
6503 1246 421 55 Axtel, S.A.B. de C.V.
26615 1072 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 931 424 159 COLOMBIA TELECOMUNICACIONES S
18881 869 1036 22 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 890 280 37 Link Egypt (Link.NET)
8452 797 958 13 TE-AS
36903 514 259 98 Office National des Postes et
36992 423 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 304 146 13 Vodafone Data
3741 250 857 208 Internet Solutions
29571 241 21 12 Cote d'Ivoire Telecom
37054 199 19 6 Data Telecom Service
36947 191 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3247 532 204 Telmex Colombia S.A.
22773 3091 2958 141 Cox Communications Inc.
4766 2923 11557 914 Korea Telecom
6389 2796 3688 51 BellSouth.net Inc.
17974 2688 904 81 PT Telekomunikasi Indonesia
7545 2610 336 130 TPG Telecom Limited
3356 2566 10687 496 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2230 2167 114 NET Serviços de Comunicação S
34984 2056 305 358 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3091 2950 Cox Communications Inc.
6389 2796 2745 BellSouth.net Inc.
17974 2688 2607 PT Telekomunikasi Indonesia
7545 2610 2480 TPG Telecom Limited
39891 2472 2466 SaudiNet, Saudi Telecom Compa
28573 2230 2116 NET Serviços de Comunicação S
3356 2566 2070 Level 3 Communications, Inc.
4766 2923 2009 Korea Telecom
4538 1935 1863 China Education and Research
18566 2047 1858 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/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 /8:17 /9:13 /10:34 /11:95 /12:264
/13:506 /14:1003 /15:1720 /16:12929 /17:7279 /18:12362
/19:25545 /20:36069 /21:38847 /22:59848 /23:51938 /24:296210
/25:1103 /26:1142 /27:722 /28:14 /29:12 /30:7
/31:0 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2289 3091 Cox Communications Inc.
18566 1999 2047 MegaPath Corporation
6389 1639 2796 BellSouth.net Inc.
6983 1396 1748 EarthLink, Inc.
30036 1382 1549 Mediacom Communications Corp
34984 1322 2056 TELLCOM ILETISIM HIZMETLERI A
6147 1169 1617 Telefonica del Peru S.A.A.
10620 1136 3247 Telmex Colombia S.A.
11492 1124 1208 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1483 2:680 4:93 5:1838 6:25 8:1415
11:1 12:1828 13:14 14:1365 15:17 16:2
17:43 18:22 20:48 23:1224 24:1698 27:1910
31:1603 32:38 33:2 34:4 35:3 36:113
37:1932 38:1037 39:5 40:253 41:2649 42:282
43:1300 44:25 45:686 46:2216 47:42 49:898
50:812 52:12 54:77 55:8 56:6 57:41
58:1297 59:715 60:479 61:1750 62:1338 63:1920
64:4413 65:2272 66:4076 67:2078 68:1062 69:3276
70:990 71:449 72:1986 74:2654 75:336 76:423
77:1338 78:1196 79:794 80:1338 81:1308 82:817
83:699 84:718 85:1416 86:394 87:1040 88:524
89:1848 90:152 91:5986 92:856 93:2223 94:2060
95:2177 96:431 97:354 98:1056 99:49 100:70
101:833 103:7520 104:1783 105:62 106:226 107:987
108:629 109:2060 110:1107 111:1494 112:811 113:1080
114:822 115:1280 116:1382 117:1063 118:1811 119:1427
120:449 121:1086 122:2145 123:1835 124:1513 125:1596
128:648 129:386 130:402 131:1202 132:484 133:175
134:407 135:95 136:330 137:314 138:794 139:154
140:232 141:448 142:661 143:511 144:572 145:116
146:732 147:600 148:1215 149:409 150:564 151:608
152:484 153:243 154:625 155:864 156:409 157:468
158:336 159:1010 160:387 161:660 162:1954 163:426
164:666 165:693 166:310 167:831 168:1306 169:172
170:1473 171:246 172:72 173:1543 174:716 175:709
176:1309 177:3676 178:2150 179:932 180:1942 181:1793
182:1795 183:628 184:756 185:3620 186:2653 187:1753
188:2055 189:1566 190:7709 191:1047 192:8401 193:5601
194:4154 195:3680 196:1980 197:947 198:5538 199:5510
200:6670 201:3147 202:9465 203:9143 204:4684 205:2813
206:3081 207:2946 208:3966 209:3973 210:3532 211:1860
212:2555 213:2334 214:863 215:73 216:5709 217:1829
218:712 219:460 220:1452 221:784 222:476 223:717
End of report
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