[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 8 18:03:51 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 09 Nov, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 781783
Prefixes after maximum aggregation (per Origin AS): 297937
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 376869
Total ASes present in the Internet Routing Table: 66078
Prefixes per ASN: 11.83
Origin-only ASes present in the Internet Routing Table: 56797
Origin ASes announcing only one prefix: 24298
Transit ASes present in the Internet Routing Table: 9281
Transit-only ASes present in the Internet Routing Table: 268
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 35
Max AS path prepend of ASN ( 44555) 27
Prefixes from unregistered ASNs in the Routing Table: 27
Number of instances of unregistered ASNs: 27
Number of 32-bit ASNs allocated by the RIRs: 29439
Number of 32-bit ASNs visible in the Routing Table: 24053
Prefixes from 32-bit ASNs in the Routing Table: 109264
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 360
Number of addresses announced to Internet: 2841827200
Equivalent to 169 /8s, 98 /16s and 215 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.4
Total number of prefixes smaller than registry allocations: 260296
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209880
Total APNIC prefixes after maximum aggregation: 60956
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 204135
Unique aggregates announced from the APNIC address blocks: 84988
APNIC Region origin ASes present in the Internet Routing Table: 10169
APNIC Prefixes per ASN: 20.07
APNIC Region origin ASes announcing only one prefix: 2827
APNIC Region transit ASes present in the Internet Routing Table: 1512
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5183
Number of APNIC addresses announced to Internet: 771228032
Equivalent to 45 /8s, 248 /16s and 1 /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: 230178
Total ARIN prefixes after maximum aggregation: 106890
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 227726
Unique aggregates announced from the ARIN address blocks: 108693
ARIN Region origin ASes present in the Internet Routing Table: 18642
ARIN Prefixes per ASN: 12.22
ARIN Region origin ASes announcing only one prefix: 6925
ARIN Region transit ASes present in the Internet Routing Table: 1921
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2989
Number of ARIN addresses announced to Internet: 1069086720
Equivalent to 63 /8s, 184 /16s and 248 /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: 218407
Total RIPE prefixes after maximum aggregation: 102481
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 214977
Unique aggregates announced from the RIPE address blocks: 127753
RIPE Region origin ASes present in the Internet Routing Table: 26583
RIPE Prefixes per ASN: 8.09
RIPE Region origin ASes announcing only one prefix: 11704
RIPE Region transit ASes present in the Internet Routing Table: 3749
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8644
Number of RIPE addresses announced to Internet: 722427648
Equivalent to 43 /8s, 15 /16s and 95 /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: 101615
Total LACNIC prefixes after maximum aggregation: 23220
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 102745
Unique aggregates announced from the LACNIC address blocks: 44941
LACNIC Region origin ASes present in the Internet Routing Table: 9067
LACNIC Prefixes per ASN: 11.33
LACNIC Region origin ASes announcing only one prefix: 2369
LACNIC Region transit ASes present in the Internet Routing Table: 1715
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6620
Number of LACNIC addresses announced to Internet: 173949696
Equivalent to 10 /8s, 94 /16s and 67 /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: 21675
Total AfriNIC prefixes after maximum aggregation: 4368
AfriNIC Deaggregation factor: 4.96
Prefixes being announced from the AfriNIC address blocks: 31840
Unique aggregates announced from the AfriNIC address blocks: 10190
AfriNIC Region origin ASes present in the Internet Routing Table: 1334
AfriNIC Prefixes per ASN: 23.87
AfriNIC Region origin ASes announcing only one prefix: 473
AfriNIC Region transit ASes present in the Internet Routing Table: 260
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 617
Number of AfriNIC addresses announced to Internet: 104797440
Equivalent to 6 /8s, 63 /16s and 21 /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 5091 630 590 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3265 1331 27 VIETEL-AS-AP Viettel Group, VN
45899 3082 1772 108 VNPT-AS-VN VNPT Corp, VN
7713 2712 799 489 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2615 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2531 1495 530 BSNL-NIB National Internet Backbone, IN
4766 2384 11113 665 KIXS-AS-KR Korea Telecom, KR
9498 2203 433 211 BBIL-AP BHARTI Airtel Ltd., IN
4755 2149 442 196 TATACOMM-AS TATA Communications formerl
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 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3753 247 674 CABLEONE - CABLE ONE, INC., US
16509 3633 7375 1570 AMAZON-02 - Amazon.com, Inc., US
22773 3496 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3357 1324 93 SHAW - Shaw Communications Inc., CA
16625 2900 1534 2070 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2239 354 121 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2134 2769 517 CHARTER-20115 - Charter Communications,
209 2114 5070 533 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
18566 2068 405 103 MEGAPATH5-US - MegaPath Corporation, 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
12479 5639 1618 136 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 2980 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2796 475 1965 AKAMAI-ASN1, US
31334 2630 484 13 KABELDEUTSCHLAND-AS, DE
12389 2418 2234 698 ROSTELECOM-AS, RU
9121 2155 1691 18 TTNET, TR
34984 2153 349 536 TELLCOM-AS, TR
9009 1927 207 1055 M247, GB
13188 1604 100 47 TRIOLAN, UA
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 6224 3330 612 Uninet S.A. de C.V., MX
10620 3355 532 466 Telmex Colombia S.A., CO
11830 2697 370 54 Instituto Costarricense de Electricidad
6503 1688 327 387 Axtel, S.A.B. de C.V., MX
7303 1477 1024 275 Telecom Argentina S.A., AR
28573 1202 2232 195 CLARO S.A., BR
13999 1114 486 244 Mega Cable, S.A. de C.V., MX
6147 1103 380 37 Telefonica del Peru S.A.A., PE
3816 1086 556 135 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 934 110 59 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 1175 393 23 LINKdotNET-AS, EG
36992 1021 1535 73 ETISALAT-MISR, EG
24835 959 618 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 642 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 522 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
15399 410 45 10 WANANCHI-, KE
23889 366 231 15 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
8151 6224 3330 612 Uninet S.A. de C.V., MX
12479 5639 1618 136 UNI2-AS, ES
7545 5091 630 590 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3753 247 674 CABLEONE - CABLE ONE, INC., US
16509 3633 7375 1570 AMAZON-02 - Amazon.com, Inc., US
22773 3496 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3357 1324 93 SHAW - Shaw Communications Inc., CA
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 5639 5503 UNI2-AS, ES
4538 4681 4608 ERX-CERNET-BKB China Education and Research Net
7545 5091 4501 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3496 3341 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3357 3264 SHAW - Shaw Communications Inc., CA
7552 3265 3238 VIETEL-AS-AP Viettel Group, VN
11492 3753 3079 CABLEONE - CABLE ONE, INC., US
45899 3082 2974 VNPT-AS-VN VNPT Corp, VN
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
64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
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
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&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ
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
31.217.248.0/23 209372 IPMEN, GB
31.217.250.0/23 209372 IPMEN, GB
31.217.252.0/23 209372 IPMEN, GB
31.217.254.0/23 209372 IPMEN, GB
37.77.148.0/23 209372 IPMEN, GB
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 /10:38 /11:100 /12:290
/13:577 /14:1159 /15:1921 /16:13314 /17:8089 /18:13796
/19:25732 /20:40311 /21:47338 /22:97473 /23:79192 /24:450872
/25:1560 /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 4597 5639 UNI2-AS, ES
7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3144 3357 SHAW - Shaw Communications Inc., CA
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2920 3753 CABLEONE - CABLE ONE, INC., US
22773 2718 3496 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2486 2630 KABELDEUTSCHLAND-AS, DE
8551 2439 2980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2044 2697 Instituto Costarricense de Electricidad y Telec
8151 1996 6224 Uninet S.A. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1544 2:1110 3:6 4:21 5:3104 6:49
8:1368 9:1 12:1802 13:465 14:2194 15:52
16:8 17:273 18:78 20:56 23:3102 24:2595
25:4 27:2499 31:2773 32:107 35:36 36:930
37:2998 38:1794 39:306 40:128 41:3399 42:848
43:2102 44:185 45:11998 46:3333 47:270 49:1413
50:1127 51:344 52:1074 54:267 55:729 56:6
57:48 58:2052 59:1095 60:654 61:2216 62:2127
63:1897 64:4991 65:2294 66:4815 67:2727 68:1216
69:3591 70:1384 71:669 72:2744 74:2682 75:1426
76:658 77:2552 78:2002 79:2211 80:1828 81:1519
82:1186 83:967 84:1203 85:2431 86:564 87:1622
88:1108 89:2582 90:244 91:6675 92:1422 93:2442
94:2582 95:3687 96:961 97:339 98:956 99:958
100:82 101:1093 102:673 103:22575 104:3640 105:351
106:836 107:1829 108:680 109:3600 110:1805 111:2025
112:1574 113:1381 114:1443 115:1822 116:1815 117:1967
118:2185 119:1679 120:1032 121:1053 122:2304 123:1889
124:1522 125:1998 128:1384 129:882 130:559 131:1820
132:763 133:251 134:1118 135:273 136:590 137:822
138:2134 139:965 140:654 141:852 142:793 143:1103
144:922 145:284 146:1442 147:908 148:1880 149:1008
150:834 151:1266 152:1448 153:366 154:4518 155:894
156:2926 157:1061 158:707 159:1956 160:1637 161:1030
162:3021 163:873 164:1296 165:1185 166:529 167:1452
168:3559 169:489 170:4129 171:711 172:1810 173:2302
174:1037 175:998 176:2679 177:4146 178:2779 179:1424
180:2172 181:2389 182:2813 183:1097 184:2290 185:15584
186:3775 187:2522 188:3433 189:2065 190:8276 191:1498
192:10095 193:6871 194:5586 195:4198 196:3223 197:1916
198:6069 199:5946 200:7178 201:5171 202:10434 203:10204
204:4586 205:3100 206:3253 207:3295 208:3969 209:4315
210:3975 211:2009 212:3272 213:2965 214:1158 215:54
216:5846 217:2287 218:904 219:610 220:1944 221:950
222:1021 223:1407
End of report
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