[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 28 18:02:37 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 29 Jul, 2017
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 656283
Prefixes after maximum aggregation (per Origin AS): 255445
Deaggregation factor: 2.57
Unique aggregates announced (without unneeded subnets): 316497
Total ASes present in the Internet Routing Table: 57870
Prefixes per ASN: 11.34
Origin-only ASes present in the Internet Routing Table: 50062
Origin ASes announcing only one prefix: 22111
Transit ASes present in the Internet Routing Table: 7808
Transit-only ASes present in the Internet Routing Table: 220
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 36
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 109
Numnber of instances of unregistered ASNs: 113
Number of 32-bit ASNs allocated by the RIRs: 19595
Number of 32-bit ASNs visible in the Routing Table: 15249
Prefixes from 32-bit ASNs in the Routing Table: 62208
Number of bogon 32-bit ASNs visible in the Routing Table: 62
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 335
Number of addresses announced to Internet: 2850653156
Equivalent to 169 /8s, 233 /16s and 131 /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: 218235
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 179818
Total APNIC prefixes after maximum aggregation: 51619
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 178843
Unique aggregates announced from the APNIC address blocks: 74040
APNIC Region origin ASes present in the Internet Routing Table: 8246
APNIC Prefixes per ASN: 21.69
APNIC Region origin ASes announcing only one prefix: 2298
APNIC Region transit ASes present in the Internet Routing Table: 1173
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 3100
Number of APNIC addresses announced to Internet: 763610596
Equivalent to 45 /8s, 131 /16s and 197 /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: 200082
Total ARIN prefixes after maximum aggregation: 95218
ARIN Deaggregation factor: 2.10
Prefixes being announced from the ARIN address blocks: 201993
Unique aggregates announced from the ARIN address blocks: 92842
ARIN Region origin ASes present in the Internet Routing Table: 17937
ARIN Prefixes per ASN: 11.26
ARIN Region origin ASes announcing only one prefix: 6649
ARIN Region transit ASes present in the Internet Routing Table: 1768
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: 2117
Number of ARIN addresses announced to Internet: 1110017696
Equivalent to 66 /8s, 41 /16s and 134 /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: 175626
Total RIPE prefixes after maximum aggregation: 86230
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 171445
Unique aggregates announced from the RIPE address blocks: 103380
RIPE Region origin ASes present in the Internet Routing Table: 24230
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 11135
RIPE Region transit ASes present in the Internet Routing Table: 3416
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 6035
Number of RIPE addresses announced to Internet: 712884352
Equivalent to 42 /8s, 125 /16s and 192 /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: 83448
Total LACNIC prefixes after maximum aggregation: 18518
LACNIC Deaggregation factor: 4.51
Prefixes being announced from the LACNIC address blocks: 84697
Unique aggregates announced from the LACNIC address blocks: 39005
LACNIC Region origin ASes present in the Internet Routing Table: 6139
LACNIC Prefixes per ASN: 13.80
LACNIC Region origin ASes announcing only one prefix: 1696
LACNIC Region transit ASes present in the Internet Routing Table: 1138
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3666
Number of LACNIC addresses announced to Internet: 170886624
Equivalent to 10 /8s, 47 /16s and 133 /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: 17198
Total AfriNIC prefixes after maximum aggregation: 3803
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 18970
Unique aggregates announced from the AfriNIC address blocks: 6925
AfriNIC Region origin ASes present in the Internet Routing Table: 1063
AfriNIC Prefixes per ASN: 17.85
AfriNIC Region origin ASes announcing only one prefix: 332
AfriNIC Region transit ASes present in the Internet Routing Table: 212
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 331
Number of AfriNIC addresses announced to Internet: 92850944
Equivalent to 5 /8s, 136 /16s and 203 /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 5342 4191 76 ERX-CERNET-BKB China Education and Rese
7545 4019 407 388 TPG-INTERNET-AP TPG Telecom Limited, AU
17974 2967 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
4766 2797 11125 745 KIXS-AS-KR Korea Telecom, KR
9829 2752 1498 549 BSNL-NIB National Internet Backbone, IN
9808 2318 8699 32 CMNET-GD Guangdong Mobile Communication
45899 2209 1435 138 VNPT-AS-VN VNPT Corp, VN
4755 2101 423 223 TATACOMM-AS TATA Communications formerl
7552 1652 1104 73 VIETEL-AS-AP Viettel Corporation, VN
9498 1611 361 143 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 3820 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3443 1341 86 SHAW - Shaw Communications Inc., CA
18566 2177 405 109 MEGAPATH5-US - MegaPath Corporation, US
6389 2066 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115 2015 2186 425 CHARTER-NET-HKY-NC - Charter Communicat
209 1846 5066 637 CENTURYLINK-US-LEGACY-QWEST - Qwest Com
16509 1822 3859 574 AMAZON-02 - Amazon.com, Inc., US
30036 1814 327 292 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
6983 1696 854 231 ITCDELTA - Earthlink, Inc., US
701 1562 10559 631 UUNET - MCI Communications Services, In
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 2942 968 2127 AKAMAI-ASN1, US
8551 2560 377 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
34984 2050 332 423 TELLCOM-AS, TR
9121 1939 1691 17 TTNET, TR
12479 1634 1048 59 UNI2-AS, ES
13188 1602 100 55 TRIOLAN, UA
12389 1523 1422 641 ROSTELECOM-AS, RU
6849 1225 355 21 UKRTELNET, UA
8402 1068 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 3542 543 210 Telmex Colombia S.A., CO
8151 2650 3401 578 Uninet S.A. de C.V., MX
11830 2087 369 57 Instituto Costarricense de Electricidad
6503 1556 437 53 Axtel, S.A.B. de C.V., MX
7303 1555 1015 244 Telecom Argentina S.A., AR
6147 1235 377 27 Telefonica del Peru S.A.A., PE
3816 1024 501 93 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573 956 2293 195 CLARO S.A., BR
11172 917 126 83 Alestra, S. de R.L. de C.V., MX
18881 897 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 1243 398 51 LINKdotNET-AS, EG
37611 742 91 8 Afrihost, ZA
36903 711 357 130 MT-MPLS, MA
36992 650 1375 26 ETISALAT-MISR, EG
24835 501 850 15 RAYA-AS, EG
29571 421 36 10 CITelecom-AS, CI
37492 406 320 75 ORANGE-, TN
15399 356 35 7 WANANCHI-, KE
8452 313 1730 17 TE-AS TE-AS, EG
2018 303 327 74 TENET-1, ZA
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 5342 4191 76 ERX-CERNET-BKB China Education and Rese
7545 4019 407 388 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3820 2952 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3542 543 210 Telmex Colombia S.A., CO
6327 3443 1341 86 SHAW - Shaw Communications Inc., CA
39891 3387 186 23 ALJAWWALSTC-AS, SA
17974 2967 902 73 TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940 2942 968 2127 AKAMAI-ASN1, US
4766 2797 11125 745 KIXS-AS-KR Korea Telecom, KR
9829 2752 1498 549 BSNL-NIB National Internet Backbone, IN
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 3820 3663 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7545 4019 3631 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 3387 3364 ALJAWWALSTC-AS, SA
6327 3443 3357 SHAW - Shaw Communications Inc., CA
10620 3542 3332 Telmex Colombia S.A., CO
17974 2967 2894 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
8551 2560 2520 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
9808 2318 2286 CMNET-GD Guangdong Mobile Communication Co.Ltd.
9829 2752 2203 BSNL-NIB National Internet Backbone, IN
8151 2650 2072 Uninet S.A. de C.V., MX
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
65532 PRIVATE 14.192.19.0/24 132717 NDCTPL-IN NxtGen Datacenter &
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-
65010 PRIVATE 46.56.192.0/21 42772 VELCOM-AS, BY
65010 PRIVATE 46.56.224.0/21 42772 VELCOM-AS, BY
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
4294901876 PRIVATE 59.101.19.0/24 2764 AAPT AAPT Limited, AU
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
23.131.64.0/24 7247 MOJO - Mojo Networks, US
27.100.7.0/24 56096 UNKNOWN
36.255.250.0/24 64091 UNKNOWN
41.76.232.0/21 62878 XLITT - Xlitt, US
41.77.248.0/21 62878 XLITT - Xlitt, US
41.78.12.0/23 62878 XLITT - Xlitt, US
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 /11:105 /12:284
/13:553 /14:1049 /15:1849 /16:13464 /17:7631 /18:13418
/19:24677 /20:38620 /21:41455 /22:78255 /23:64997 /24:367611
/25:875 /26:622 /27:645 /28:36 /29:25 /30:18
/31:2 /32:28
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
6327 3241 3443 SHAW - Shaw Communications Inc., CA
22773 2990 3820 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
39891 2946 3387 ALJAWWALSTC-AS, SA
18566 2070 2177 MEGAPATH5-US - MegaPath Corporation, US
8551 2025 2560 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 1602 1814 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
10620 1481 3542 Telmex Colombia S.A., CO
11830 1477 2087 Instituto Costarricense de Electricidad y Telec
11492 1389 1548 CABLEONE - CABLE ONE, INC., US
6389 1372 2066 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)
----------------------------------------------
1:1578 2:818 4:18 5:2435 6:34 8:1049
12:1835 13:130 14:1723 15:28 16:2 17:159
18:90 20:61 23:2448 24:1910 25:2 27:2459
29:1 31:1913 32:84 33:18 35:21 36:388
37:2350 38:1344 39:65 40:101 41:3005 42:461
43:1951 44:72 45:2977 46:2813 47:156 49:1217
50:994 51:19 52:823 54:363 55:7 56:4
57:44 58:1551 59:1023 60:347 61:1958 62:1697
63:1918 64:4634 65:2214 66:4571 67:2283 68:1245
69:3372 70:1156 71:585 72:2202 74:2693 75:389
76:427 77:1515 78:1416 79:1952 80:1416 81:1386
82:1002 83:719 84:943 85:1788 86:458 87:1181
88:754 89:2127 90:165 91:6198 92:994 93:2373
94:2389 95:2661 96:639 97:350 98:1061 99:90
100:154 101:1224 103:15459 104:3007 105:189 106:546
107:1771 108:825 109:2900 110:1457 111:1731 112:1213
113:1246 114:1036 115:1723 116:1755 117:1723 118:2136
119:1658 120:1075 121:1105 122:2270 123:1821 124:1483
125:1843 128:800 129:645 130:435 131:1425 132:552
133:201 134:667 135:225 136:451 137:458 138:1919
139:504 140:399 141:600 142:776 143:887 144:804
145:183 146:1087 147:684 148:1492 149:585 150:709
151:981 152:697 153:298 154:853 155:748 156:637
157:654 158:471 159:1518 160:728 161:739 162:2513
163:537 164:927 165:1376 166:371 167:1230 168:2972
169:837 170:3427 171:328 172:1024 173:1989 174:806
175:743 176:1895 177:3944 178:2553 179:1148 180:2206
181:1884 182:2363 183:1007 184:870 185:10256 186:3244
187:2218 188:2616 189:1803 190:8342 191:1364 192:9527
193:5787 194:4679 195:3915 196:2083 197:1335 198:5509
199:5899 200:7547 201:4345 202:10347 203:9970 204:4491
205:2824 206:3036 207:3145 208:3954 209:3968 210:3948
211:2145 212:2865 213:2523 214:856 215:66 216:5885
217:2123 218:906 219:601 220:1703 221:931 222:742
223:1189
End of report
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