[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 6 18:03:41 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 07 Dec, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 786402
Prefixes after maximum aggregation (per Origin AS): 299700
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 379353
Total ASes present in the Internet Routing Table: 66387
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 57073
Origin ASes announcing only one prefix: 24314
Transit ASes present in the Internet Routing Table: 9314
Transit-only ASes present in the Internet Routing Table: 280
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN ( 8697) 27
Prefixes from unregistered ASNs in the Routing Table: 37
Number of instances of unregistered ASNs: 37
Number of 32-bit ASNs allocated by the RIRs: 29818
Number of 32-bit ASNs visible in the Routing Table: 24419
Prefixes from 32-bit ASNs in the Routing Table: 111748
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 299
Number of addresses announced to Internet: 2848342528
Equivalent to 169 /8s, 198 /16s and 66 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
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: 262844
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209658
Total APNIC prefixes after maximum aggregation: 61192
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203735
Unique aggregates announced from the APNIC address blocks: 85025
APNIC Region origin ASes present in the Internet Routing Table: 10212
APNIC Prefixes per ASN: 19.95
APNIC Region origin ASes announcing only one prefix: 2838
APNIC Region transit ASes present in the Internet Routing Table: 1524
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5237
Number of APNIC addresses announced to Internet: 772498816
Equivalent to 46 /8s, 11 /16s and 101 /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: 231045
Total ARIN prefixes after maximum aggregation: 107155
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 228353
Unique aggregates announced from the ARIN address blocks: 109316
ARIN Region origin ASes present in the Internet Routing Table: 18651
ARIN Prefixes per ASN: 12.24
ARIN Region origin ASes announcing only one prefix: 6931
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: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3042
Number of ARIN addresses announced to Internet: 1072398080
Equivalent to 63 /8s, 235 /16s and 127 /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: 221483
Total RIPE prefixes after maximum aggregation: 103546
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 218381
Unique aggregates announced from the RIPE address blocks: 129300
RIPE Region origin ASes present in the Internet Routing Table: 26693
RIPE Prefixes per ASN: 8.18
RIPE Region origin ASes announcing only one prefix: 11693
RIPE Region transit ASes present in the Internet Routing Table: 3751
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: 8763
Number of RIPE addresses announced to Internet: 723573120
Equivalent to 43 /8s, 32 /16s and 217 /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: 102186
Total LACNIC prefixes after maximum aggregation: 23346
LACNIC Deaggregation factor: 4.38
Prefixes being announced from the LACNIC address blocks: 103294
Unique aggregates announced from the LACNIC address blocks: 45068
LACNIC Region origin ASes present in the Internet Routing Table: 9174
LACNIC Prefixes per ASN: 11.26
LACNIC Region origin ASes announcing only one prefix: 2373
LACNIC Region transit ASes present in the Internet Routing Table: 1730
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6735
Number of LACNIC addresses announced to Internet: 173884928
Equivalent to 10 /8s, 93 /16s and 70 /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: 21992
Total AfriNIC prefixes after maximum aggregation: 4434
AfriNIC Deaggregation factor: 4.96
Prefixes being announced from the AfriNIC address blocks: 32340
Unique aggregates announced from the AfriNIC address blocks: 10394
AfriNIC Region origin ASes present in the Internet Routing Table: 1360
AfriNIC Prefixes per ASN: 23.78
AfriNIC Region origin ASes announcing only one prefix: 479
AfriNIC Region transit ASes present in the Internet Routing Table: 273
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: 642
Number of AfriNIC addresses announced to Internet: 105689856
Equivalent to 6 /8s, 76 /16s and 179 /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 5145 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3280 1331 26 VIETEL-AS-AP Viettel Group, VN
45899 3103 1780 114 VNPT-AS-VN VNPT Corp, VN
7713 2702 798 487 TELKOMNET-AS-AP PT Telekomunikasi Indon
9829 2667 1495 530 BSNL-NIB National Internet Backbone, IN
9808 2622 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2391 11112 670 KIXS-AS-KR Korea Telecom, KR
9498 2212 433 213 BBIL-AP BHARTI Airtel Ltd., IN
4755 2151 442 195 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 3836 252 654 CABLEONE - CABLE ONE, INC., US
16509 3756 7444 1669 AMAZON-02 - Amazon.com, Inc., US
22773 3501 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3366 1324 93 SHAW - Shaw Communications Inc., CA
16625 2949 1547 2112 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2268 356 103 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2168 5075 536 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2133 2769 517 CHARTER-20115 - Charter Communications,
18566 2064 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 5784 1635 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3333 484 13 KABELDEUTSCHLAND-AS, DE
8551 3100 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2788 465 1950 AKAMAI-ASN1, US
12389 2461 2234 710 ROSTELECOM-AS, RU
34984 2155 350 542 TELLCOM-AS, TR
9009 1987 214 1088 M247, GB
9121 1947 1691 18 TTNET, TR
13188 1605 100 46 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 6138 3283 609 Uninet S.A. de C.V., MX
10620 3359 533 467 Telmex Colombia S.A., CO
11830 2685 369 63 Instituto Costarricense de Electricidad
6503 1680 323 390 Axtel, S.A.B. de C.V., MX
7303 1480 1026 267 Telecom Argentina S.A., AR
28573 1207 2232 199 CLARO S.A., BR
13999 1143 495 265 Mega Cable, S.A. de C.V., MX
3816 1122 560 134 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1104 380 36 Telefonica del Peru S.A.A., PE
11172 938 111 62 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 1227 393 23 LINKdotNET-AS, EG
36992 1033 1535 73 ETISALAT-MISR, EG
24835 979 570 24 RAYA-AS, EG
36903 868 438 98 MT-MPLS, MA
8452 685 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 558 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
15399 375 45 10 WANANCHI-, KE
36935 355 522 41 Vodafone-, EG
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 6138 3283 609 Uninet S.A. de C.V., MX
12479 5784 1635 135 UNI2-AS, ES
7545 5145 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 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 3836 252 654 CABLEONE - CABLE ONE, INC., US
16509 3756 7444 1669 AMAZON-02 - Amazon.com, Inc., US
22773 3501 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3366 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 5784 5649 UNI2-AS, ES
4538 4683 4610 ERX-CERNET-BKB China Education and Research Net
7545 5145 4550 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3501 3345 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 3333 3320 KABELDEUTSCHLAND-AS, DE
6327 3366 3273 SHAW - Shaw Communications Inc., CA
7552 3280 3254 VIETEL-AS-AP Viettel Group, VN
11492 3836 3182 CABLEONE - CABLE ONE, INC., US
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
267874 UNALLOCATED 45.175.152.0/22 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.152.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.153.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.154.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.155.0/24 52361 ARSAT - Empresa Argentina de S
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
65595 UNALLOCATED 46.234.9.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
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
/13:581 /14:1164 /15:1926 /16:13354 /17:8092 /18:13857
/19:25673 /20:40292 /21:47431 /22:98101 /23:79919 /24:454247
/25:1316 /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 4740 5784 UNI2-AS, ES
31334 3178 3333 KABELDEUTSCHLAND-AS, DE
6327 3154 3366 SHAW - Shaw Communications Inc., CA
7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 2989 3836 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2721 3501 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2559 3100 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2033 2685 Instituto Costarricense de Electricidad y Telec
30036 2018 2268 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)
----------------------------------------------
1:1533 2:1147 3:12 4:19 5:3167 6:48
8:1362 9:1 12:1795 13:472 14:2175 15:54
16:9 17:278 18:79 20:56 23:3136 24:2608
25:4 27:2500 31:2783 32:105 35:37 36:929
37:3210 38:1793 39:317 40:133 41:3344 42:849
43:2120 44:188 45:12417 46:3244 47:271 49:1420
50:1135 51:344 52:1128 54:270 55:671 56:6
57:47 58:1898 59:1114 60:658 61:2218 62:2125
63:1919 64:5006 65:2302 66:4779 67:2809 68:1225
69:3625 70:1394 71:671 72:2748 74:2691 75:1423
76:670 77:2526 78:1973 79:2341 80:1829 81:1531
82:1190 83:981 84:1211 85:2468 86:580 87:1635
88:1053 89:2608 90:260 91:7424 92:1449 93:2437
94:2591 95:3711 96:938 97:339 98:959 99:963
100:85 101:1097 102:702 103:22798 104:3609 105:370
106:836 107:1855 108:689 109:3625 110:1769 111:1934
112:1565 113:1380 114:1451 115:1815 116:1794 117:2011
118:2069 119:1677 120:888 121:1038 122:2318 123:1871
124:1568 125:2010 128:1403 129:902 130:576 131:1823
132:765 133:254 134:1263 135:273 136:593 137:847
138:2175 139:975 140:654 141:850 142:815 143:1102
144:938 145:289 146:1454 147:994 148:1890 149:1037
150:838 151:1282 152:1450 153:369 154:4408 155:892
156:2947 157:1065 158:719 159:1939 160:1670 161:1046
162:3023 163:868 164:1292 165:1198 166:536 167:1460
168:3587 169:488 170:4205 171:706 172:1843 173:2333
174:1034 175:1000 176:2706 177:4238 178:2818 179:1406
180:2180 181:2380 182:2824 183:1107 184:2307 185:15837
186:3770 187:2545 188:3449 189:2046 190:8336 191:1508
192:10156 193:7187 194:5753 195:4214 196:3306 197:1949
198:6075 199:5930 200:7177 201:5162 202:10420 203:10215
204:4565 205:3081 206:3264 207:3241 208:3997 209:4331
210:3983 211:1994 212:3310 213:3015 214:1121 215:52
216:5860 217:2306 218:901 219:612 220:1962 221:943
222:973 223:1353
End of report
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