[lacnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora en apnic.net
Vie Ago 2 15:04:20 -03 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 en lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
Routing Table Report 04:00 +10GMT Sat 03 Aug, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 766119
Prefixes after maximum aggregation (per Origin AS): 295002
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 368513
Total ASes present in the Internet Routing Table: 65068
Prefixes per ASN: 11.77
Origin-only ASes present in the Internet Routing Table: 55956
Origin ASes announcing only one prefix: 23986
Transit ASes present in the Internet Routing Table: 9112
Transit-only ASes present in the Internet Routing Table: 287
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: 24
Number of instances of unregistered ASNs: 24
Number of 32-bit ASNs allocated by the RIRs: 28103
Number of 32-bit ASNs visible in the Routing Table: 22950
Prefixes from 32-bit ASNs in the Routing Table: 103973
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 286
Number of addresses announced to Internet: 2842112000
Equivalent to 169 /8s, 103 /16s and 48 /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: 99.3
Total number of prefixes smaller than registry allocations: 256375
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 206466
Total APNIC prefixes after maximum aggregation: 61655
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 201513
Unique aggregates announced from the APNIC address blocks: 84021
APNIC Region origin ASes present in the Internet Routing Table: 9933
APNIC Prefixes per ASN: 20.29
APNIC Region origin ASes announcing only one prefix: 2753
APNIC Region transit ASes present in the Internet Routing Table: 1480
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 4936
Number of APNIC addresses announced to Internet: 771136640
Equivalent to 45 /8s, 246 /16s and 156 /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: 226639
Total ARIN prefixes after maximum aggregation: 105937
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 225670
Unique aggregates announced from the ARIN address blocks: 107080
ARIN Region origin ASes present in the Internet Routing Table: 18544
ARIN Prefixes per ASN: 12.17
ARIN Region origin ASes announcing only one prefix: 6863
ARIN Region transit ASes present in the Internet Routing Table: 1914
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: 2840
Number of ARIN addresses announced to Internet: 1070847616
Equivalent to 63 /8s, 211 /16s and 214 /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: 213722
Total RIPE prefixes after maximum aggregation: 100218
RIPE Deaggregation factor: 2.13
Prefixes being announced from the RIPE address blocks: 209894
Unique aggregates announced from the RIPE address blocks: 123697
RIPE Region origin ASes present in the Internet Routing Table: 26301
RIPE Prefixes per ASN: 7.98
RIPE Region origin ASes announcing only one prefix: 11623
RIPE Region transit ASes present in the Internet Routing Table: 3745
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8349
Number of RIPE addresses announced to Internet: 720526848
Equivalent to 42 /8s, 242 /16s and 94 /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: 98458
Total LACNIC prefixes after maximum aggregation: 22827
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 99765
Unique aggregates announced from the LACNIC address blocks: 43960
LACNIC Region origin ASes present in the Internet Routing Table: 8686
LACNIC Prefixes per ASN: 11.49
LACNIC Region origin ASes announcing only one prefix: 2285
LACNIC Region transit ASes present in the Internet Routing Table: 1596
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: 6241
Number of LACNIC addresses announced to Internet: 173502976
Equivalent to 10 /8s, 87 /16s and 114 /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: 20809
Total AfriNIC prefixes after maximum aggregation: 4345
AfriNIC Deaggregation factor: 4.79
Prefixes being announced from the AfriNIC address blocks: 28991
Unique aggregates announced from the AfriNIC address blocks: 9493
AfriNIC Region origin ASes present in the Internet Routing Table: 1302
AfriNIC Prefixes per ASN: 22.27
AfriNIC Region origin ASes announcing only one prefix: 462
AfriNIC Region transit ASes present in the Internet Routing Table: 252
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 584
Number of AfriNIC addresses announced to Internet: 105849344
Equivalent to 6 /8s, 79 /16s and 34 /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 4879 591 567 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3224 1459 31 VIETEL-AS-AP Viettel Group, VN
45899 3056 1766 113 VNPT-AS-VN VNPT Corp, VN
9808 2730 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2689 1488 559 BSNL-NIB National Internet Backbone, IN
4766 2540 11119 761 KIXS-AS-KR Korea Telecom, KR
7713 2225 670 594 TELKOMNET-AS-AP PT Telekomunikasi Indon
4755 2156 442 192 TATACOMM-AS TATA Communications formerl
9498 2150 430 209 BBIL-AP BHARTI Airtel Ltd., IN
9394 2073 4898 24 CTTNET China TieTong Telecommunications
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 3685 240 617 CABLEONE - CABLE ONE, INC., US
6327 3541 1324 90 SHAW - Shaw Communications Inc., CA
22773 3446 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3056 6390 1441 AMAZON-02 - Amazon.com, Inc., US
16625 2656 1394 1925 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2160 346 249 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2151 2755 525 CHARTER-20115 - Charter Communications,
18566 2093 405 107 MEGAPATH5-US - MegaPath Corporation, US
5650 2077 3073 1452 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 5476 1629 141 UNI2-AS, ES
39891 3780 219 19 ALJAWWALSTC-AS, SA
8551 3327 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2720 508 1931 AKAMAI-ASN1, US
31334 2602 484 13 KABELDEUTSCHLAND-AS, DE
12389 2362 2230 661 ROSTELECOM-AS, RU
34984 2116 346 545 TELLCOM-AS, TR
9009 1668 179 903 M247, GB
9121 1610 1692 18 TTNET, TR
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 6203 3368 598 Uninet S.A. de C.V., MX
10620 3384 533 455 Telmex Colombia S.A., CO
11830 2691 370 54 Instituto Costarricense de Electricidad
6503 1626 391 421 Axtel, S.A.B. de C.V., MX
7303 1475 1022 281 Telecom Argentina S.A., AR
28573 1158 2236 207 CLARO S.A., BR
6147 1096 377 31 Telefonica del Peru S.A.A., PE
3816 1044 526 122 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 986 478 246 Mega Cable, S.A. de C.V., MX
11172 935 111 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 1185 393 21 LINKdotNET-AS, EG
24835 886 634 22 RAYA-AS, EG
36992 852 1535 76 ETISALAT-MISR, EG
36903 843 424 112 MT-MPLS, MA
8452 666 1859 20 TE-AS TE-AS, EG
29571 522 68 11 ORANGE-COTE-IVOIRE, CI
37492 482 470 57 ORANGE-, TN
37342 414 32 1 MOVITEL, MZ
15399 388 45 11 WANANCHI-, KE
23889 358 231 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 6203 3368 598 Uninet S.A. de C.V., MX
12479 5476 1629 141 UNI2-AS, ES
7545 4879 591 567 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 280 25 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 219 19 ALJAWWALSTC-AS, SA
11492 3685 240 617 CABLEONE - CABLE ONE, INC., US
6327 3541 1324 90 SHAW - Shaw Communications Inc., CA
22773 3446 2974 157 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3384 533 455 Telmex Colombia S.A., CO
8551 3327 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 5476 5335 UNI2-AS, ES
7545 4879 4312 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4064 4039 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 3780 3761 ALJAWWALSTC-AS, SA
6327 3541 3451 SHAW - Shaw Communications Inc., CA
22773 3446 3289 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 3327 3281 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7552 3224 3193 VIETEL-AS-AP Viettel Group, VN
11492 3685 3068 CABLEONE - CABLE ONE, INC., US
45899 3056 2943 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
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
64511 DOCUMENT 66.154.208.0/21 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.216.0/23 32522 MULTNOMAH-ESD - Multnomah Educ
64511 DOCUMENT 66.154.218.0/24 32522 MULTNOMAH-ESD - Multnomah Educ
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
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
36.255.24.0/24 40676 AS40676 - Psychz Networks, US
36.255.25.0/24 40676 AS40676 - Psychz Networks, US
36.255.26.0/24 40676 AS40676 - Psychz Networks, US
36.255.27.0/24 40676 AS40676 - Psychz Networks, US
41.76.140.0/22 37500 -Reserved AS-, ZZ
41.78.180.0/23 37265 -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 /10:38 /11:100 /12:293
/13:571 /14:1131 /15:1900 /16:13265 /17:8030 /18:13920
/19:25830 /20:40402 /21:47195 /22:95536 /23:77443 /24:439553
/25:891 /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 4432 5476 UNI2-AS, ES
6327 3330 3541 SHAW - Shaw Communications Inc., CA
7155 3156 4064 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 3780 ALJAWWALSTC-AS, SA
11492 2888 3685 CABLEONE - CABLE ONE, INC., US
8551 2780 3327 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2677 3446 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2491 2602 KABELDEUTSCHLAND-AS, DE
11830 2039 2691 Instituto Costarricense de Electricidad y Telec
18566 1988 2093 MEGAPATH5-US - MegaPath Corporation, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1716 2:1063 3:6 4:21 5:3081 6:47
7:1 8:1344 9:1 12:1790 13:389 14:2083
15:41 16:7 17:265 18:80 20:56 23:2853
24:2586 25:4 27:2440 31:2706 32:106 35:38
36:915 37:3130 38:1800 39:270 40:106 41:3228
42:833 43:2079 44:163 45:9283 46:3398 47:263
49:1377 50:1093 51:340 52:1011 54:273 55:675
56:6 57:47 58:1745 59:1098 60:562 61:2178
62:1969 63:1854 64:5001 65:2226 66:4784 67:2726
68:1177 69:3570 70:1383 71:662 72:2684 74:2703
75:1294 76:570 77:2553 78:1859 79:2373 80:1839
81:1490 82:1141 83:950 84:1151 85:2309 86:549
87:1533 88:1053 89:2547 90:223 91:6594 92:1446
93:2477 94:2501 95:3628 96:945 97:340 98:957
99:811 100:88 101:1189 102:597 103:21796 104:3624
105:277 106:809 107:1782 108:697 109:3789 110:1734
111:2003 112:1549 113:1409 114:1274 115:1738 116:1751
117:1950 118:2203 119:1644 120:1061 121:1064 122:2287
123:1799 124:1502 125:2030 128:1377 129:850 130:538
131:1831 132:801 133:220 134:1097 135:257 136:586
137:792 138:2081 139:916 140:616 141:884 142:783
143:1060 144:871 145:277 146:1372 147:839 148:1759
149:1008 150:810 151:1018 152:1111 153:344 154:4545
155:883 156:1941 157:1057 158:683 159:1947 160:1603
161:958 162:2982 163:828 164:1243 165:1179 166:514
167:1406 168:3465 169:478 170:4194 171:614 172:1688
173:2210 174:1042 175:997 176:2459 177:4093 178:2739
179:1399 180:2143 181:2358 182:2752 183:1110 184:2286
185:15447 186:3669 187:2491 188:3468 189:2016 190:8192
191:1465 192:10086 193:6754 194:5509 195:4179 196:3051
197:1778 198:5933 199:5977 200:7190 201:5128 202:10421
203:10235 204:4563 205:3059 206:3224 207:3261 208:3943
209:4288 210:3932 211:2028 212:3238 213:2971 214:1129
215:55 216:5921 217:2229 218:883 219:601 220:1921
221:969 222:975 223:1365
End of report
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