[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 25 18:02:42 UTC 2017
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, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, IRNOG and the RIPE Routing WG.
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 26 Aug, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 659134
Prefixes after maximum aggregation (per Origin AS): 256684
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 319064
Total ASes present in the Internet Routing Table: 58198
Prefixes per ASN: 11.33
Origin-only ASes present in the Internet Routing Table: 50314
Origin ASes announcing only one prefix: 22185
Transit ASes present in the Internet Routing Table: 7884
Transit-only ASes present in the Internet Routing Table: 228
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 56
Max AS path prepend of ASN ( 55644) 51
Prefixes from unregistered ASNs in the Routing Table: 62
Number of instances of unregistered ASNs: 65
Number of 32-bit ASNs allocated by the RIRs: 19815
Number of 32-bit ASNs visible in the Routing Table: 15573
Prefixes from 32-bit ASNs in the Routing Table: 63688
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 328
Number of addresses announced to Internet: 2851451744
Equivalent to 169 /8s, 245 /16s and 179 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.7
Total number of prefixes smaller than registry allocations: 219440
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 179395
Total APNIC prefixes after maximum aggregation: 51805
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 178370
Unique aggregates announced from the APNIC address blocks: 74369
APNIC Region origin ASes present in the Internet Routing Table: 8295
APNIC Prefixes per ASN: 21.50
APNIC Region origin ASes announcing only one prefix: 2304
APNIC Region transit ASes present in the Internet Routing Table: 1176
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 56
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3154
Number of APNIC addresses announced to Internet: 764692960
Equivalent to 45 /8s, 148 /16s and 73 /24s
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, 64297-64395, 131072-137529
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: 201001
Total ARIN prefixes after maximum aggregation: 95586
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 202791
Unique aggregates announced from the ARIN address blocks: 93664
ARIN Region origin ASes present in the Internet Routing Table: 17961
ARIN Prefixes per ASN: 11.29
ARIN Region origin ASes announcing only one prefix: 6638
ARIN Region transit ASes present in the Internet Routing Table: 1776
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: 2161
Number of ARIN addresses announced to Internet: 1108661024
Equivalent to 66 /8s, 20 /16s and 211 /24s
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, 393216-397212
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: 176705
Total RIPE prefixes after maximum aggregation: 86571
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 172575
Unique aggregates announced from the RIPE address blocks: 104278
RIPE Region origin ASes present in the Internet Routing Table: 24326
RIPE Prefixes per ASN: 7.09
RIPE Region origin ASes announcing only one prefix: 11177
RIPE Region transit ASes present in the Internet Routing Table: 3456
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6118
Number of RIPE addresses announced to Internet: 713008256
Equivalent to 42 /8s, 127 /16s and 164 /24s
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, 64396-64495
196608-207259
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: 84765
Total LACNIC prefixes after maximum aggregation: 18849
LACNIC Deaggregation factor: 4.50
Prefixes being announced from the LACNIC address blocks: 86023
Unique aggregates announced from the LACNIC address blocks: 39482
LACNIC Region origin ASes present in the Internet Routing Table: 6288
LACNIC Prefixes per ASN: 13.68
LACNIC Region origin ASes announcing only one prefix: 1726
LACNIC Region transit ASes present in the Internet Routing Table: 1161
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3801
Number of LACNIC addresses announced to Internet: 171152864
Equivalent to 10 /8s, 51 /16s and 149 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-268700 + 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: 17204
Total AfriNIC prefixes after maximum aggregation: 3818
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 19047
Unique aggregates announced from the AfriNIC address blocks: 7005
AfriNIC Region origin ASes present in the Internet Routing Table: 1068
AfriNIC Prefixes per ASN: 17.83
AfriNIC Region origin ASes announcing only one prefix: 339
AfriNIC Region transit ASes present in the Internet Routing Table: 210
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 339
Number of AfriNIC addresses announced to Internet: 93467136
Equivalent to 5 /8s, 146 /16s and 50 /24s
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
4538 5412 4192 87 ERX-CERNET-BKB China Education and Rese
7545 3980 407 393 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2962 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2839 11126 752 KIXS-AS-KR Korea Telecom, KR
9829 2754 1498 549 BSNL-NIB National Internet Backbone, IN
9808 2353 8699 32 CMNET-GD Guangdong Mobile Communication
45899 2292 1465 114 VNPT-AS-VN VNPT Corp, VN
4755 2099 423 221 TATACOMM-AS TATA Communications formerl
7552 1706 1105 70 VIETEL-AS-AP Viettel Corporation, VN
9498 1623 361 144 BBIL-AP BHARTI Airtel Ltd., IN
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 3808 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3468 1341 87 SHAW - Shaw Communications Inc., CA
18566 2205 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2047 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2030 2233 429 CHARTER-NET-HKY-NC - Charter Communicat
209 1887 5066 642 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036 1828 329 279 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
16509 1822 3927 529 AMAZON-02 - Amazon.com, Inc., US
701 1715 10557 629 UUNET - MCI Communications Services, In
6983 1694 854 229 ITCDELTA - Earthlink, Inc., US
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 3387 186 23 ALJAWWALSTC-AS, SA
20940 2969 959 2134 AKAMAI-ASN1, US
8551 2540 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2058 332 424 TELLCOM-AS, TR
9121 1811 1691 17 TTNET, TR
12389 1695 1604 670 ROSTELECOM-AS, RU
12479 1652 1048 59 UNI2-AS, ES
13188 1602 100 55 TRIOLAN, UA
6849 1225 355 21 UKRTELNET, UA
8402 1159 544 15 CORBINA-AS OJSC "Vimpelcom", RU
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 3549 542 217 Telmex Colombia S.A., CO
8151 2982 3424 581 Uninet S.A. de C.V., MX
11830 2109 370 65 Instituto Costarricense de Electricidad
6503 1606 437 53 Axtel, S.A.B. de C.V., MX
7303 1561 1019 245 Telecom Argentina S.A., AR
6147 1218 377 27 Telefonica del Peru S.A.A., PE
3816 1026 504 95 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 954 2279 185 CLARO S.A., BR
11172 917 126 86 Alestra, S. de R.L. de C.V., MX
18881 898 1052 23 TELEFÔNICA BRASIL S.A, BR
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 1185 398 48 LINKdotNET-AS, EG
37611 750 91 8 Afrihost, ZA
36903 711 357 130 MT-MPLS, MA
36992 657 1383 29 ETISALAT-MISR, EG
24835 499 850 15 RAYA-AS, EG
29571 421 36 10 CITelecom-AS, CI
37492 409 353 76 ORANGE-, TN
15399 361 35 7 WANANCHI-, KE
2018 304 327 74 TENET-1, ZA
23889 283 103 14 MauritiusTelecom, MU
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
4538 5412 4192 87 ERX-CERNET-BKB China Education and Rese
7545 3980 407 393 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3808 2952 158 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3549 542 217 Telmex Colombia S.A., CO
6327 3468 1341 87 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
8151 2982 3424 581 Uninet S.A. de C.V., MX
20940 2969 959 2134 AKAMAI-ASN1, US
17974 2962 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2839 11126 752 KIXS-AS-KR Korea Telecom, KR
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 3808 3650 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 3980 3587 TPG-INTERNET-AP TPG Telecom Limited, AU
6327 3468 3381 SHAW - Shaw Communications Inc., CA
39891 3387 3364 ALJAWWALSTC-AS, SA
10620 3549 3332 Telmex Colombia S.A., CO
17974 2962 2889 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8551 2540 2499 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2982 2401 Uninet S.A. de C.V., MX
9808 2353 2321 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2754 2205 BSNL-NIB National Internet Backbone, IN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US
64525 PRIVATE 45.119.143.0/24 133275 GIGANTIC-AS Gigantic Infotel P
64525 PRIVATE 45.125.62.0/24 133275 GIGANTIC-AS Gigantic Infotel P
65530 PRIVATE 45.249.40.0/24 133720 SOFTCALLCOC-AS SOFT CALL CUST-
65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom
65534 PRIVATE 58.68.109.0/24 10201 DWL-AS-IN Dishnet Wireless Lim
64513 PRIVATE 62.150.101.0/24 9155 QNET Kuwait, KW
290012147 UNALLOCATED 63.65.43.0/24 7046 RFC2270-UUNET-CUSTOMER - MCI C
65538 DOCUMENT 64.27.253.0/24 1273 CW Vodafone Group PLC, GB
65346 PRIVATE 94.50.36.0/22 31094 TTKNET Tyumen, Russia, RU
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.48.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24 134833 LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
23.226.112.0/20 62788 UNKNOWN
27.100.7.0/24 56096 UNKNOWN
41.76.232.0/21 62878 XLITT - Xlitt, US
41.77.248.0/21 62878 XLITT - Xlitt, US
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.79.12.0/22 37306 -Reserved AS-, ZZ
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 /8:15 /9:13 /10:36 /11:104 /12:284
/13:553 /14:1052 /15:1847 /16:13417 /17:7668 /18:13406
/19:24731 /20:38877 /21:41696 /22:78797 /23:65148 /24:369251
/25:850 /26:633 /27:650 /28:37 /29:23 /30:17
/31:2 /32:27
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3265 3468 SHAW - Shaw Communications Inc., CA
22773 2996 3808 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
39891 2946 3387 ALJAWWALSTC-AS, SA
18566 2089 2205 MEGAPATH5-US - MegaPath Corporation, US
8551 2005 2540 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1610 1828 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 1499 2109 Instituto Costarricense de Electricidad y Telec
10620 1495 3549 Telmex Colombia S.A., CO
11492 1411 1591 CABLEONE - CABLE ONE, INC., US
6389 1358 2047 BELLSOUTH-NET-BLK - BellSouth.net Inc., US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1558 2:827 4:18 5:2447 6:31 7:1
8:1052 12:1855 13:142 14:1703 15:28 16:2
17:193 18:90 20:61 23:2438 24:1920 25:2
27:2378 29:1 31:1926 32:84 33:18 35:21
36:390 37:2354 38:1353 39:68 40:98 41:2957
42:464 43:1961 44:78 45:3021 46:2797 47:163
49:1257 50:989 51:19 52:815 54:364 55:6
56:4 57:44 58:1559 59:1009 60:325 61:1923
62:1702 63:1903 64:4647 65:2210 66:4567 67:2279
68:1231 69:3380 70:1179 71:616 72:2219 74:2712
75:388 76:428 77:1497 78:1443 79:1940 80:1406
81:1395 82:1001 83:728 84:964 85:1830 86:465
87:1198 88:763 89:2179 90:166 91:6205 92:1008
93:2399 94:2345 95:2663 96:655 97:354 98:1066
99:98 100:153 101:1469 102:1 103:15666 104:3026
105:187 106:550 107:1767 108:822 109:2910 110:1466
111:1748 112:1241 113:1247 114:1078 115:1585 116:1671
117:1768 118:2155 119:1658 120:734 121:1060 122:2330
123:1819 124:1480 125:1785 128:883 129:665 130:441
131:1472 132:572 133:190 134:682 135:218 136:452
137:480 138:1924 139:521 140:409 141:651 142:773
143:894 144:810 145:184 146:1097 147:705 148:1500
149:584 150:731 151:987 152:731 153:298 154:871
155:755 156:667 157:665 158:481 159:1559 160:750
161:747 162:2521 163:500 164:960 165:1404 166:381
167:1295 168:2987 169:843 170:3515 171:369 172:996
173:1994 174:813 175:749 176:1894 177:3947 178:2553
179:1145 180:2198 181:1978 182:2430 183:769 184:878
185:10588 186:3317 187:2187 188:2579 189:1809 190:8361
191:1329 192:9579 193:5823 194:4727 195:3924 196:2107
197:1360 198:5532 199:5890 200:7600 201:4347 202:10361
203:9990 204:4549 205:2840 206:3069 207:3157 208:3957
209:3996 210:3956 211:2056 212:2883 213:2524 214:853
215:66 216:5877 217:2132 218:899 219:601 220:1685
221:909 222:749 223:1196
End of report
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