[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 28 18:04:11 UTC 2019
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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 Jun, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 759623
Prefixes after maximum aggregation (per Origin AS): 292603
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 365009
Total ASes present in the Internet Routing Table: 64662
Prefixes per ASN: 11.75
Origin-only ASes present in the Internet Routing Table: 55628
Origin ASes announcing only one prefix: 23941
Transit ASes present in the Internet Routing Table: 9034
Transit-only ASes present in the Internet Routing Table: 275
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 24
Number of instances of unregistered ASNs: 27
Number of 32-bit ASNs allocated by the RIRs: 27602
Number of 32-bit ASNs visible in the Routing Table: 22515
Prefixes from 32-bit ASNs in the Routing Table: 101561
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 232
Number of addresses announced to Internet: 2839143808
Equivalent to 169 /8s, 57 /16s and 229 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.3
Total number of prefixes smaller than registry allocations: 252664
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 205685
Total APNIC prefixes after maximum aggregation: 61187
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 201355
Unique aggregates announced from the APNIC address blocks: 83667
APNIC Region origin ASes present in the Internet Routing Table: 9846
APNIC Prefixes per ASN: 20.45
APNIC Region origin ASes announcing only one prefix: 2749
APNIC Region transit ASes present in the Internet Routing Table: 1465
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4851
Number of APNIC addresses announced to Internet: 770960512
Equivalent to 45 /8s, 243 /16s and 236 /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, 131072-141625
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: 225579
Total ARIN prefixes after maximum aggregation: 105582
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 224872
Unique aggregates announced from the ARIN address blocks: 106713
ARIN Region origin ASes present in the Internet Routing Table: 18512
ARIN Prefixes per ASN: 12.15
ARIN Region origin ASes announcing only one prefix: 6868
ARIN Region transit ASes present in the Internet Routing Table: 1905
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2778
Number of ARIN addresses announced to Internet: 1067893632
Equivalent to 63 /8s, 166 /16s and 195 /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, 393216-399260
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, 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: 209585
Total RIPE prefixes after maximum aggregation: 99235
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 205557
Unique aggregates announced from the RIPE address blocks: 122324
RIPE Region origin ASes present in the Internet Routing Table: 26163
RIPE Prefixes per ASN: 7.86
RIPE Region origin ASes announcing only one prefix: 11570
RIPE Region transit ASes present in the Internet Routing Table: 3717
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8208
Number of RIPE addresses announced to Internet: 720094848
Equivalent to 42 /8s, 235 /16s and 198 /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
196608-210331
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: 97355
Total LACNIC prefixes after maximum aggregation: 22240
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 98700
Unique aggregates announced from the LACNIC address blocks: 42870
LACNIC Region origin ASes present in the Internet Routing Table: 8557
LACNIC Prefixes per ASN: 11.53
LACNIC Region origin ASes announcing only one prefix: 2300
LACNIC Region transit ASes present in the Internet Routing Table: 1565
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6106
Number of LACNIC addresses announced to Internet: 174090752
Equivalent to 10 /8s, 96 /16s and 106 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21394
Total AfriNIC prefixes after maximum aggregation: 4339
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 28907
Unique aggregates announced from the AfriNIC address blocks: 9232
AfriNIC Region origin ASes present in the Internet Routing Table: 1292
AfriNIC Prefixes per ASN: 22.37
AfriNIC Region origin ASes announcing only one prefix: 454
AfriNIC Region transit ASes present in the Internet Routing Table: 255
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 572
Number of AfriNIC addresses announced to Internet: 105860096
Equivalent to 6 /8s, 79 /16s and 76 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 4789 559 544 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3216 1467 29 VIETEL-AS-AP Viettel Group, VN
45899 3044 1761 112 VNPT-AS-VN VNPT Corp, VN
9808 2800 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2693 1489 562 BSNL-NIB National Internet Backbone, IN
4766 2527 11119 760 KIXS-AS-KR Korea Telecom, KR
4755 2142 428 183 TATACOMM-AS TATA Communications formerl
9394 2095 4882 26 CTTNET China TieTong Telecommunications
9498 2078 427 171 BBIL-AP BHARTI Airtel Ltd., IN
7713 2056 608 611 TELKOMNET-AS-AP PT Telekomunikasi Indon
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
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3678 240 618 CABLEONE - CABLE ONE, INC., US
6327 3567 1324 89 SHAW - Shaw Communications Inc., CA
22773 3425 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2964 6374 1344 AMAZON-02 - Amazon.com, Inc., US
16625 2605 1370 1880 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2153 346 257 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2150 2760 525 CHARTER-20115 - Charter Communications,
18566 2098 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2082 3074 1459 FRONTIER-FRTR - Frontier Communications
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
12479 5431 1629 141 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3173 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2701 514 1933 AKAMAI-ASN1, US
12389 2253 2226 637 ROSTELECOM-AS, RU
34984 2095 344 546 TELLCOM-AS, TR
9121 1646 1692 18 TTNET, TR
13188 1604 100 47 TRIOLAN, UA
9009 1573 170 859 M247, GB
61317 1566 152 468 ASDETUK http://www.heficed.com, GB
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
8151 6177 3369 572 Uninet S.A. de C.V., MX
10620 3410 534 435 Telmex Colombia S.A., CO
11830 2697 370 54 Instituto Costarricense de Electricidad
7303 1475 1022 275 Telecom Argentina S.A., AR
6503 1223 441 54 Axtel, S.A.B. de C.V., MX
28573 1154 2243 205 CLARO S.A., BR
6147 1095 377 31 Telefonica del Peru S.A.A., PE
3816 1039 524 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 977 516 242 Mega Cable, S.A. de C.V., MX
11172 937 112 61 Alestra, S. de R.L. de C.V., MX
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 1169 393 22 LINKdotNET-AS, EG
37611 969 107 9 Afrihost, ZA
24835 881 628 22 RAYA-AS, EG
36992 862 1535 71 ETISALAT-MISR, EG
36903 831 418 129 MT-MPLS, MA
8452 676 1859 20 TE-AS TE-AS, EG
29571 517 68 11 ORANGE-COTE-IVOIRE, CI
37492 489 470 57 ORANGE-, TN
15399 434 45 11 WANANCHI-, KE
37342 414 32 1 MOVITEL, MZ
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
8151 6177 3369 572 Uninet S.A. de C.V., MX
12479 5431 1629 141 UNI2-AS, ES
7545 4789 559 544 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 203 20 ALJAWWALSTC-AS, SA
11492 3678 240 618 CABLEONE - CABLE ONE, INC., US
6327 3567 1324 89 SHAW - Shaw Communications Inc., CA
22773 3425 2974 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3410 534 435 Telmex Colombia S.A., CO
7552 3216 1467 29 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5431 5290 UNI2-AS, ES
7545 4789 4245 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3567 3478 SHAW - Shaw Communications Inc., CA
22773 3425 3269 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3216 3187 VIETEL-AS-AP Viettel Group, VN
8551 3173 3127 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3678 3060 CABLEONE - CABLE ONE, INC., US
10620 3410 2975 Telmex Colombia S.A., CO
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64500 DOCUMENT 45.43.56.0/24 45474 NEXUSGUARD-AS-AP Suite 2101~02
267804 UNALLOCATED 45.172.108.0/22 52361 ARSAT - Empresa Argentina de S
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
65549 DOCUMENT 117.239.163.0/24 65544 UNKNOWN
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
41.76.136.0/22 37500 -Reserved AS-, ZZ
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.92.0/22 14988 BTC-GATE1, BW
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.220.48.0/20 36900 -Reserved AS-, ZZ
41.242.92.0/24 37643 -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 /8:10 /9:11 /10:37 /11:100 /12:294
/13:569 /14:1131 /15:1910 /16:13267 /17:7992 /18:13952
/19:25820 /20:40299 /21:47489 /22:94935 /23:76862 /24:434065
/25:880 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4384 5431 UNI2-AS, ES
6327 3357 3567 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2882 3678 CABLEONE - CABLE ONE, INC., US
22773 2659 3425 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2626 3173 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2045 2697 Instituto Costarricense de Electricidad y Telec
18566 1993 2098 MEGAPATH5-US - MegaPath Corporation, US
30036 1904 2153 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1692 2:1073 3:6 4:21 5:3179 6:45
7:1 8:1342 9:1 11:1 12:1805 13:361
14:2045 15:38 16:6 17:257 18:77 20:55
23:2796 24:2562 25:4 27:2456 31:2017 32:100
35:37 36:879 37:3060 38:1765 39:287 40:121
41:3220 42:823 43:2068 44:152 45:8492 46:3328
47:260 49:1354 50:1114 51:330 52:1009 54:279
55:632 56:6 57:47 58:1765 59:1070 60:529
61:2196 62:1956 63:1857 64:4997 65:2209 66:4847
67:2772 68:1172 69:3547 70:1377 71:654 72:2624
74:2726 75:1294 76:560 77:1799 78:1845 79:2292
80:1816 81:1492 82:1136 83:935 84:1131 85:2295
86:558 87:1543 88:1049 89:2553 90:214 91:6586
92:1434 93:2484 94:2475 95:3312 96:948 97:340
98:959 99:789 100:87 101:1192 102:631 103:21555
104:3621 105:268 106:782 107:1755 108:695 109:3683
110:1724 111:2045 112:1536 113:1382 114:1210 115:1737
116:1769 117:1925 118:2168 119:1650 120:1057 121:1037
122:2245 123:1786 124:1498 125:2018 128:1383 129:840
130:543 131:1819 132:819 133:221 134:1099 135:247
136:596 137:780 138:2079 139:896 140:600 141:895
142:794 143:1068 144:892 145:277 146:1295 147:829
148:1692 149:1098 150:785 151:1019 152:1092 153:337
154:4187 155:915 156:1629 157:1023 158:662 159:1945
160:1601 161:932 162:2969 163:833 164:1249 165:1492
166:478 167:1410 168:3393 169:899 170:4192 171:607
172:1653 173:2223 174:1044 175:976 176:2366 177:4083
178:2563 179:1385 180:2176 181:2380 182:2728 183:1097
184:2276 185:15303 186:3643 187:2488 188:2959 189:2018
190:8210 191:1463 192:10056 193:6731 194:5487 195:4143
196:2974 197:1621 198:5941 199:5981 200:7110 201:5148
202:10413 203:10200 204:4557 205:3065 206:3241 207:3244
208:3936 209:4273 210:3936 211:2048 212:3121 213:2959
214:1126 215:54 216:5887 217:2239 218:892 219:602
220:1879 221:976 222:980 223:1404
End of report
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