[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 5 18:04:06 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 06 Jul, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 760370
Prefixes after maximum aggregation (per Origin AS): 293074
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 366150
Total ASes present in the Internet Routing Table: 64764
Prefixes per ASN: 11.74
Origin-only ASes present in the Internet Routing Table: 55696
Origin ASes announcing only one prefix: 23947
Transit ASes present in the Internet Routing Table: 9068
Transit-only ASes present in the Internet Routing Table: 284
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 42
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 22
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 27720
Number of 32-bit ASNs visible in the Routing Table: 22620
Prefixes from 32-bit ASNs in the Routing Table: 102165
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 217
Number of addresses announced to Internet: 2838933888
Equivalent to 169 /8s, 54 /16s and 177 /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: 252618
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 205898
Total APNIC prefixes after maximum aggregation: 61349
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 201560
Unique aggregates announced from the APNIC address blocks: 84128
APNIC Region origin ASes present in the Internet Routing Table: 9868
APNIC Prefixes per ASN: 20.43
APNIC Region origin ASes announcing only one prefix: 2749
APNIC Region transit ASes present in the Internet Routing Table: 1476
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: 4868
Number of APNIC addresses announced to Internet: 770901888
Equivalent to 45 /8s, 243 /16s and 7 /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: 225924
Total ARIN prefixes after maximum aggregation: 105561
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 225090
Unique aggregates announced from the ARIN address blocks: 106979
ARIN Region origin ASes present in the Internet Routing Table: 18511
ARIN Prefixes per ASN: 12.16
ARIN Region origin ASes announcing only one prefix: 6867
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: 2786
Number of ARIN addresses announced to Internet: 1067927168
Equivalent to 63 /8s, 167 /16s and 70 /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: 209782
Total RIPE prefixes after maximum aggregation: 99531
RIPE Deaggregation factor: 2.11
Prefixes being announced from the RIPE address blocks: 205861
Unique aggregates announced from the RIPE address blocks: 122658
RIPE Region origin ASes present in the Internet Routing Table: 26193
RIPE Prefixes per ASN: 7.86
RIPE Region origin ASes announcing only one prefix: 11584
RIPE Region transit ASes present in the Internet Routing Table: 3732
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8244
Number of RIPE addresses announced to Internet: 720259712
Equivalent to 42 /8s, 238 /16s and 74 /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: 97349
Total LACNIC prefixes after maximum aggregation: 22262
LACNIC Deaggregation factor: 4.37
Prefixes being announced from the LACNIC address blocks: 98646
Unique aggregates announced from the LACNIC address blocks: 42909
LACNIC Region origin ASes present in the Internet Routing Table: 8592
LACNIC Prefixes per ASN: 11.48
LACNIC Region origin ASes announcing only one prefix: 2289
LACNIC Region transit ASes present in the Internet Routing Table: 1575
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6143
Number of LACNIC addresses announced to Internet: 173820928
Equivalent to 10 /8s, 92 /16s and 76 /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: 4353
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 28996
Unique aggregates announced from the AfriNIC address blocks: 9283
AfriNIC Region origin ASes present in the Internet Routing Table: 1301
AfriNIC Prefixes per ASN: 22.29
AfriNIC Region origin ASes announcing only one prefix: 458
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: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 579
Number of AfriNIC addresses announced to Internet: 105794560
Equivalent to 6 /8s, 78 /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 4808 564 544 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3221 1459 31 VIETEL-AS-AP Viettel Group, VN
45899 3013 1738 121 VNPT-AS-VN VNPT Corp, VN
9808 2773 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2696 1489 562 BSNL-NIB National Internet Backbone, IN
4766 2515 11119 760 KIXS-AS-KR Korea Telecom, KR
4755 2142 428 183 TATACOMM-AS TATA Communications formerl
9394 2094 4882 26 CTTNET China TieTong Telecommunications
9498 2082 427 172 BBIL-AP BHARTI Airtel Ltd., IN
7713 2058 608 612 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 3679 240 616 CABLEONE - CABLE ONE, INC., US
6327 3577 1324 90 SHAW - Shaw Communications Inc., CA
22773 3431 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 2984 6377 1368 AMAZON-02 - Amazon.com, Inc., US
16625 2621 1378 1900 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2157 347 246 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2152 2762 524 CHARTER-20115 - Charter Communications,
18566 2098 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2083 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 5435 1629 141 UNI2-AS, ES
39891 3778 203 20 ALJAWWALSTC-AS, SA
8551 3232 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2705 512 1934 AKAMAI-ASN1, US
12389 2350 2230 662 ROSTELECOM-AS, RU
34984 2095 344 546 TELLCOM-AS, TR
9121 1641 1692 19 TTNET, TR
9009 1631 177 876 M247, GB
13188 1604 100 47 TRIOLAN, UA
61317 1468 151 496 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 6220 3355 592 Uninet S.A. de C.V., MX
10620 3409 534 440 Telmex Colombia S.A., CO
11830 2696 370 54 Instituto Costarricense de Electricidad
7303 1474 1022 274 Telecom Argentina S.A., AR
6503 1219 425 53 Axtel, S.A.B. de C.V., MX
28573 1166 2243 206 CLARO S.A., BR
6147 1095 377 31 Telefonica del Peru S.A.A., PE
3816 1040 524 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 975 468 241 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 1171 393 22 LINKdotNET-AS, EG
37611 970 107 9 Afrihost, ZA
24835 885 634 22 RAYA-AS, EG
36992 838 1535 77 ETISALAT-MISR, EG
36903 831 418 129 MT-MPLS, MA
8452 676 1859 20 TE-AS TE-AS, EG
29571 518 68 11 ORANGE-COTE-IVOIRE, CI
37492 483 470 56 ORANGE-, TN
37342 408 32 1 MOVITEL, MZ
15399 386 45 11 WANANCHI-, KE
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 6220 3355 592 Uninet S.A. de C.V., MX
12479 5435 1629 141 UNI2-AS, ES
7545 4808 564 544 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 3679 240 616 CABLEONE - CABLE ONE, INC., US
6327 3577 1324 90 SHAW - Shaw Communications Inc., CA
22773 3431 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3409 534 440 Telmex Colombia S.A., CO
8551 3232 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
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 5435 5294 UNI2-AS, ES
7545 4808 4264 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3778 3758 ALJAWWALSTC-AS, SA
6327 3577 3487 SHAW - Shaw Communications Inc., CA
22773 3431 3274 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3221 3190 VIETEL-AS-AP Viettel Group, VN
8551 3232 3186 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3679 3063 CABLEONE - CABLE ONE, INC., US
10620 3409 2969 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
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&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.184.9.0/24 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
41.78.180.0/23 37265 -Reserved AS-, ZZ
41.220.48.0/20 36900 -Reserved AS-, ZZ
41.242.92.0/24 37643 -Reserved AS-, ZZ
41.242.93.0/24 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 /14:1135 /15:1911 /16:13256 /17:8002 /18:13939
/19:25814 /20:40323 /21:47471 /22:95060 /23:76939 /24:434610
/25:889 /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 4389 5435 UNI2-AS, ES
6327 3366 3577 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3778 ALJAWWALSTC-AS, SA
11492 2883 3679 CABLEONE - CABLE ONE, INC., US
8551 2685 3232 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2664 3431 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
11830 2044 2696 Instituto Costarricense de Electricidad y Telec
18566 1993 2098 MEGAPATH5-US - MegaPath Corporation, US
30036 1908 2157 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)
----------------------------------------------
1:1704 2:1054 3:6 4:19 5:3062 6:45
7:1 8:1342 9:1 11:1 12:1808 13:367
14:2065 15:38 16:6 17:258 18:79 20:57
23:2808 24:2574 25:4 27:2451 31:2018 32:99
35:37 36:877 37:3065 38:1770 39:289 40:120
41:3202 42:826 43:2096 44:151 45:8681 46:3343
47:261 49:1354 50:1109 51:337 52:1010 54:279
55:698 56:6 57:46 58:1768 59:1091 60:537
61:2198 62:1956 63:1856 64:4984 65:2210 66:4842
67:2775 68:1174 69:3553 70:1389 71:658 72:2633
74:2711 75:1295 76:569 77:1803 78:1836 79:2273
80:1851 81:1493 82:1132 83:944 84:1131 85:2299
86:557 87:1544 88:1051 89:2557 90:208 91:6601
92:1434 93:2473 94:2475 95:3320 96:945 97:339
98:961 99:789 100:87 101:1195 102:640 103:21667
104:3636 105:266 106:786 107:1758 108:697 109:3778
110:1728 111:2019 112:1526 113:1386 114:1240 115:1735
116:1760 117:1925 118:2175 119:1652 120:1056 121:1054
122:2248 123:1795 124:1497 125:2020 128:1358 129:840
130:550 131:1824 132:770 133:222 134:1097 135:250
136:598 137:780 138:2061 139:904 140:606 141:895
142:793 143:1056 144:883 145:275 146:1299 147:842
148:1719 149:984 150:788 151:1016 152:1091 153:337
154:4274 155:908 156:1649 157:1027 158:663 159:1949
160:1608 161:931 162:2958 163:829 164:1269 165:1496
166:478 167:1415 168:3441 169:897 170:4195 171:611
172:1663 173:2209 174:1040 175:990 176:2373 177:4013
178:2559 179:1375 180:2153 181:2354 182:2727 183:1103
184:2277 185:15360 186:3656 187:2479 188:2942 189:1989
190:8228 191:1453 192:10063 193:6747 194:5503 195:4150
196:2968 197:1614 198:5938 199:5977 200:7103 201:5109
202:10412 203:10193 204:4550 205:3073 206:3262 207:3239
208:3938 209:4271 210:3934 211:2045 212:3122 213:2975
214:1117 215:54 216:5895 217:2235 218:895 219:608
220:1907 221:976 222:979 223:1414
End of report
More information about the sanog
mailing list