[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 27 18:03:54 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 28 Sep, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 775589
Prefixes after maximum aggregation (per Origin AS): 297759
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 373221
Total ASes present in the Internet Routing Table: 65731
Prefixes per ASN: 11.80
Origin-only ASes present in the Internet Routing Table: 56540
Origin ASes announcing only one prefix: 24212
Transit ASes present in the Internet Routing Table: 9191
Transit-only ASes present in the Internet Routing Table: 272
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 43
Max AS path prepend of ASN ( 19955) 41
Prefixes from unregistered ASNs in the Routing Table: 28
Number of instances of unregistered ASNs: 29
Number of 32-bit ASNs allocated by the RIRs: 28855
Number of 32-bit ASNs visible in the Routing Table: 23645
Prefixes from 32-bit ASNs in the Routing Table: 107863
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: 321
Number of addresses announced to Internet: 2840324352
Equivalent to 169 /8s, 75 /16s and 233 /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: 99.4
Total number of prefixes smaller than registry allocations: 258570
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209271
Total APNIC prefixes after maximum aggregation: 62399
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 203840
Unique aggregates announced from the APNIC address blocks: 85033
APNIC Region origin ASes present in the Internet Routing Table: 10089
APNIC Prefixes per ASN: 20.20
APNIC Region origin ASes announcing only one prefix: 2801
APNIC Region transit ASes present in the Internet Routing Table: 1496
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: 5095
Number of APNIC addresses announced to Internet: 767812352
Equivalent to 45 /8s, 195 /16s and 227 /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: 227702
Total ARIN prefixes after maximum aggregation: 106365
ARIN Deaggregation factor: 2.14
Prefixes being announced from the ARIN address blocks: 226182
Unique aggregates announced from the ARIN address blocks: 107696
ARIN Region origin ASes present in the Internet Routing Table: 18596
ARIN Prefixes per ASN: 12.16
ARIN Region origin ASes announcing only one prefix: 6887
ARIN Region transit ASes present in the Internet Routing Table: 1922
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 43
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2923
Number of ARIN addresses announced to Internet: 1071049088
Equivalent to 63 /8s, 214 /16s and 233 /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: 217466
Total RIPE prefixes after maximum aggregation: 101391
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 213424
Unique aggregates announced from the RIPE address blocks: 125790
RIPE Region origin ASes present in the Internet Routing Table: 26497
RIPE Prefixes per ASN: 8.05
RIPE Region origin ASes announcing only one prefix: 11706
RIPE Region transit ASes present in the Internet Routing Table: 3744
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: 8528
Number of RIPE addresses announced to Internet: 721798784
Equivalent to 43 /8s, 5 /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: 99612
Total LACNIC prefixes after maximum aggregation: 23226
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 100817
Unique aggregates announced from the LACNIC address blocks: 44768
LACNIC Region origin ASes present in the Internet Routing Table: 8930
LACNIC Prefixes per ASN: 11.29
LACNIC Region origin ASes announcing only one prefix: 2352
LACNIC Region transit ASes present in the Internet Routing Table: 1647
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 42
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6485
Number of LACNIC addresses announced to Internet: 173972480
Equivalent to 10 /8s, 94 /16s and 156 /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: 21509
Total AfriNIC prefixes after maximum aggregation: 4356
AfriNIC Deaggregation factor: 4.94
Prefixes being announced from the AfriNIC address blocks: 31005
Unique aggregates announced from the AfriNIC address blocks: 9646
AfriNIC Region origin ASes present in the Internet Routing Table: 1330
AfriNIC Prefixes per ASN: 23.31
AfriNIC Region origin ASes announcing only one prefix: 466
AfriNIC Region transit ASes present in the Internet Routing Table: 261
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 614
Number of AfriNIC addresses announced to Internet: 105408768
Equivalent to 6 /8s, 72 /16s and 105 /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 5003 618 593 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3242 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3063 1762 114 VNPT-AS-VN VNPT Corp, VN
9829 2733 1493 546 BSNL-NIB National Internet Backbone, IN
7713 2624 801 480 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2606 9043 63 CMNET-GD Guangdong Mobile Communication
4766 2549 11121 764 KIXS-AS-KR Korea Telecom, KR
9498 2183 432 207 BBIL-AP BHARTI Airtel Ltd., IN
4755 2156 442 197 TATACOMM-AS TATA Communications formerl
9394 2060 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 4065 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3653 238 688 CABLEONE - CABLE ONE, INC., US
6327 3486 1324 94 SHAW - Shaw Communications Inc., CA
22773 3467 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
16509 3161 7134 1511 AMAZON-02 - Amazon.com, Inc., US
16625 2756 1447 1992 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2210 351 154 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2149 2766 524 CHARTER-20115 - Charter Communications,
18566 2080 405 104 MEGAPATH5-US - MegaPath Corporation, US
5650 2061 3073 1454 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 5558 1615 141 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 3225 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2751 490 1934 AKAMAI-ASN1, US
31334 2640 484 13 KABELDEUTSCHLAND-AS, DE
12389 2396 2231 687 ROSTELECOM-AS, RU
9121 2213 1692 18 TTNET, TR
34984 2162 350 537 TELLCOM-AS, TR
9009 1813 196 998 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 6242 3358 606 Uninet S.A. de C.V., MX
10620 3357 534 462 Telmex Colombia S.A., CO
11830 2695 370 54 Instituto Costarricense de Electricidad
6503 1632 378 405 Axtel, S.A.B. de C.V., MX
7303 1477 1027 272 Telecom Argentina S.A., AR
28573 1171 2231 201 CLARO S.A., BR
6147 1092 380 36 Telefonica del Peru S.A.A., PE
3816 1062 546 124 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
13999 1020 488 248 Mega Cable, S.A. de C.V., MX
11172 930 110 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 1188 394 24 LINKdotNET-AS, EG
36992 983 1535 73 ETISALAT-MISR, EG
24835 969 610 24 RAYA-AS, EG
36903 852 431 115 MT-MPLS, MA
8452 649 1857 19 TE-AS TE-AS, EG
6713 625 1863 34 IAM-AS, MA
29571 542 68 11 ORANGE-COTE-IVOIRE, CI
15399 415 45 10 WANANCHI-, KE
37342 402 32 1 MOVITEL, MZ
23889 363 231 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 6242 3358 606 Uninet S.A. de C.V., MX
12479 5558 1615 141 UNI2-AS, ES
7545 5003 618 593 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4065 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3653 238 688 CABLEONE - CABLE ONE, INC., US
6327 3486 1324 94 SHAW - Shaw Communications Inc., CA
22773 3467 2973 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620 3357 534 462 Telmex Colombia S.A., CO
7552 3242 1331 26 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 5558 5417 UNI2-AS, ES
7545 5003 4410 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4065 4038 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
6327 3486 3392 SHAW - Shaw Communications Inc., CA
22773 3467 3311 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
7552 3242 3216 VIETEL-AS-AP Viettel Group, VN
8551 3225 3179 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3653 2965 CABLEONE - CABLE ONE, INC., US
45899 3063 2949 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
208130 UNALLOCATED 45.155.20.0/22 20860 IOMART-AS, GB
208130 UNALLOCATED 45.155.20.0/23 20860 IOMART-AS, GB
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
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
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
41.73.64.0/19 37149 -Reserved AS-, ZZ
41.76.55.0/24 328143 -Reserved AS-, ZZ
41.76.124.0/24 37493 -Reserved AS-, ZZ
41.76.125.0/24 37493 -Reserved AS-, ZZ
41.76.126.0/24 37493 -Reserved AS-, ZZ
41.76.127.0/24 37493 -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 /12:291
/13:573 /14:1146 /15:1919 /16:13254 /17:8110 /18:13858
/19:25684 /20:40452 /21:47407 /22:96876 /23:78403 /24:446585
/25:873 /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 4517 5558 UNI2-AS, ES
6327 3272 3486 SHAW - Shaw Communications Inc., CA
7155 3154 4065 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2860 3653 CABLEONE - CABLE ONE, INC., US
22773 2694 3467 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2684 3225 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
31334 2496 2640 KABELDEUTSCHLAND-AS, DE
11830 2042 2695 Instituto Costarricense de Electricidad y Telec
18566 1975 2080 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)
----------------------------------------------
1:1752 2:1101 3:6 4:22 5:3063 6:50
7:1 8:1357 9:1 12:1801 13:404 14:2123
15:45 16:7 17:270 18:77 20:59 23:2919
24:2586 25:4 27:2470 31:2755 32:108 35:37
36:924 37:3148 38:1820 39:306 40:121 41:3418
42:822 43:2094 44:176 45:10927 46:3353 47:268
49:1454 50:1103 51:347 52:1063 54:260 55:679
56:6 57:47 58:2078 59:1124 60:599 61:2221
62:2049 63:1870 64:5019 65:2258 66:4791 67:2733
68:1219 69:3573 70:1391 71:672 72:2701 74:2684
75:1292 76:595 77:2556 78:2007 79:2395 80:1822
81:1523 82:1184 83:953 84:1178 85:2384 86:564
87:1562 88:1137 89:2601 90:231 91:6609 92:1441
93:2465 94:2622 95:3682 96:954 97:339 98:958
99:833 100:83 101:1101 102:651 103:22280 104:3611
105:294 106:831 107:1799 108:693 109:3638 110:1773
111:1996 112:1554 113:1423 114:1294 115:1806 116:1771
117:1958 118:2238 119:1654 120:1085 121:1052 122:2311
123:1862 124:1535 125:2021 128:1362 129:856 130:550
131:1827 132:741 133:231 134:1101 135:258 136:600
137:805 138:2107 139:957 140:645 141:887 142:792
143:1096 144:888 145:285 146:1411 147:869 148:1812
149:1040 150:827 151:1288 152:1407 153:358 154:4413
155:893 156:2568 157:1063 158:703 159:1940 160:1599
161:974 162:3004 163:851 164:1297 165:1146 166:523
167:1439 168:3584 169:485 170:4205 171:689 172:1743
173:2293 174:1035 175:1004 176:2510 177:3994 178:2743
179:1417 180:2137 181:2373 182:2804 183:1164 184:2276
185:15575 186:3753 187:2514 188:3440 189:2043 190:8271
191:1458 192:10026 193:6758 194:5520 195:4198 196:3160
197:1813 198:5985 199:5937 200:7144 201:5200 202:10409
203:10276 204:4574 205:3070 206:3229 207:3261 208:3932
209:4307 210:3925 211:2043 212:3307 213:2963 214:1149
215:54 216:5862 217:2237 218:881 219:608 220:1918
221:972 222:1013 223:1394
End of report
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