[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Dec 13 18:04:02 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 14 Dec, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 787400
Prefixes after maximum aggregation (per Origin AS): 300347
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 386172
Total ASes present in the Internet Routing Table: 66450
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 57116
Origin ASes announcing only one prefix: 24329
Transit ASes present in the Internet Routing Table: 9334
Transit-only ASes present in the Internet Routing Table: 281
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 40
Max AS path prepend of ASN ( 8697) 28
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: 29923
Number of 32-bit ASNs visible in the Routing Table: 24506
Prefixes from 32-bit ASNs in the Routing Table: 112036
Number of bogon 32-bit ASNs visible in the Routing Table: 31
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 285
Number of addresses announced to Internet: 2846272384
Equivalent to 169 /8s, 166 /16s and 171 /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: 263299
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209808
Total APNIC prefixes after maximum aggregation: 61125
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203761
Unique aggregates announced from the APNIC address blocks: 84820
APNIC Region origin ASes present in the Internet Routing Table: 10227
APNIC Prefixes per ASN: 19.92
APNIC Region origin ASes announcing only one prefix: 2858
APNIC Region transit ASes present in the Internet Routing Table: 1521
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: 5264
Number of APNIC addresses announced to Internet: 772263168
Equivalent to 46 /8s, 7 /16s and 205 /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: 231814
Total ARIN prefixes after maximum aggregation: 107527
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 229159
Unique aggregates announced from the ARIN address blocks: 116052
ARIN Region origin ASes present in the Internet Routing Table: 18669
ARIN Prefixes per ASN: 12.27
ARIN Region origin ASes announcing only one prefix: 6950
ARIN Region transit ASes present in the Internet Routing Table: 1920
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: 3061
Number of ARIN addresses announced to Internet: 1069882880
Equivalent to 63 /8s, 197 /16s and 30 /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: 221732
Total RIPE prefixes after maximum aggregation: 103662
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 218607
Unique aggregates announced from the RIPE address blocks: 129501
RIPE Region origin ASes present in the Internet Routing Table: 26692
RIPE Prefixes per ASN: 8.19
RIPE Region origin ASes announcing only one prefix: 11683
RIPE Region transit ASes present in the Internet Routing Table: 3754
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: 8774
Number of RIPE addresses announced to Internet: 723675520
Equivalent to 43 /8s, 34 /16s and 105 /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: 102134
Total LACNIC prefixes after maximum aggregation: 23568
LACNIC Deaggregation factor: 4.33
Prefixes being announced from the LACNIC address blocks: 103220
Unique aggregates announced from the LACNIC address blocks: 45086
LACNIC Region origin ASes present in the Internet Routing Table: 9205
LACNIC Prefixes per ASN: 11.21
LACNIC Region origin ASes announcing only one prefix: 2351
LACNIC Region transit ASes present in the Internet Routing Table: 1747
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 40
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6767
Number of LACNIC addresses announced to Internet: 173940736
Equivalent to 10 /8s, 94 /16s and 32 /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: 21874
Total AfriNIC prefixes after maximum aggregation: 4438
AfriNIC Deaggregation factor: 4.93
Prefixes being announced from the AfriNIC address blocks: 32368
Unique aggregates announced from the AfriNIC address blocks: 10478
AfriNIC Region origin ASes present in the Internet Routing Table: 1359
AfriNIC Prefixes per ASN: 23.82
AfriNIC Region origin ASes announcing only one prefix: 487
AfriNIC Region transit ASes present in the Internet Routing Table: 271
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 640
Number of AfriNIC addresses announced to Internet: 106218496
Equivalent to 6 /8s, 84 /16s and 196 /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 5162 635 598 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4688 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3283 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3115 1781 106 VNPT-AS-VN VNPT Corp, VN
7713 2700 798 486 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2623 9043 62 CMNET-GD Guangdong Mobile Communication
9829 2454 1447 439 BSNL-NIB National Internet Backbone, IN
4766 2384 11111 665 KIXS-AS-KR Korea Telecom, KR
9498 2214 433 214 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 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3844 253 651 CABLEONE - CABLE ONE, INC., US
16509 3797 7702 1675 AMAZON-02 - Amazon.com, Inc., US
22773 3493 2970 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3377 1324 93 SHAW - Shaw Communications Inc., CA
16625 2967 1556 2130 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2274 357 90 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2165 5075 534 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2134 2773 518 CHARTER-20115 - Charter Communications,
18566 2063 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 5811 1635 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3361 484 13 KABELDEUTSCHLAND-AS, DE
8551 3083 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2803 471 1961 AKAMAI-ASN1, US
12389 2473 2236 712 ROSTELECOM-AS, RU
34984 2144 349 547 TELLCOM-AS, TR
9009 2001 216 1086 M247, GB
9121 1950 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 6164 3296 612 Uninet S.A. de C.V., MX
10620 3359 533 463 Telmex Colombia S.A., CO
11830 2682 369 63 Instituto Costarricense de Electricidad
6503 1681 323 388 Axtel, S.A.B. de C.V., MX
7303 1480 1026 267 Telecom Argentina S.A., AR
28573 1222 2233 199 CLARO S.A., BR
13999 1142 495 269 Mega Cable, S.A. de C.V., MX
3816 1123 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1097 380 36 Telefonica del Peru S.A.A., PE
11172 942 111 65 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 1221 393 23 LINKdotNET-AS, EG
36992 1032 1535 73 ETISALAT-MISR, EG
24835 979 570 24 RAYA-AS, EG
36903 876 452 97 MT-MPLS, MA
8452 681 1857 19 TE-AS TE-AS, EG
6713 622 1863 34 IAM-AS, MA
29571 559 68 11 ORANGE-COTE-IVOIRE, CI
37342 481 32 1 MOVITEL, MZ
15399 359 45 10 WANANCHI-, KE
36935 357 522 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 6164 3296 612 Uninet S.A. de C.V., MX
12479 5811 1635 135 UNI2-AS, ES
7545 5162 635 598 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4688 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3844 253 651 CABLEONE - CABLE ONE, INC., US
16509 3797 7702 1675 AMAZON-02 - Amazon.com, Inc., US
22773 3493 2970 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3377 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 5811 5676 UNI2-AS, ES
4538 4688 4615 ERX-CERNET-BKB China Education and Research Net
7545 5162 4564 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4047 4020 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
31334 3361 3348 KABELDEUTSCHLAND-AS, DE
22773 3493 3341 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3377 3284 SHAW - Shaw Communications Inc., CA
7552 3283 3259 VIETEL-AS-AP Viettel Group, VN
11492 3844 3193 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
64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN
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
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
41.67.192.0/18 15964 CAMNET-AS, CM
41.67.192.0/24 15964 CAMNET-AS, CM
41.67.200.0/24 15964 CAMNET-AS, CM
41.67.201.0/24 15964 CAMNET-AS, CM
41.67.202.0/24 15964 CAMNET-AS, CM
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 /11:98 /12:287
/13:579 /14:1162 /15:1921 /16:13360 /17:8088 /18:13868
/19:25728 /20:40366 /21:47512 /22:98135 /23:80179 /24:454740
/25:1319 /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 4766 5811 UNI2-AS, ES
31334 3206 3361 KABELDEUTSCHLAND-AS, DE
6327 3165 3377 SHAW - Shaw Communications Inc., CA
7155 3139 4047 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 2997 3844 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2718 3493 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2542 3083 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2030 2682 Instituto Costarricense de Electricidad y Telec
30036 2023 2274 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)
----------------------------------------------
1:1540 2:1139 3:12 4:19 5:3154 6:47
8:1366 9:1 12:1794 13:489 14:2186 15:54
16:9 17:278 18:79 20:56 23:3135 24:2610
25:4 27:2502 31:2802 32:101 35:45 36:937
37:3215 38:1809 39:310 40:133 41:3272 42:838
43:2123 44:187 45:12464 46:3232 47:267 49:1422
50:1134 51:344 52:1135 54:275 55:671 56:6
57:47 58:1905 59:1118 60:662 61:2217 62:2122
63:1927 64:5001 65:2301 66:4805 67:2801 68:1215
69:3811 70:1393 71:671 72:2749 74:2691 75:1434
76:665 77:2518 78:1967 79:2323 80:1833 81:1547
82:1186 83:982 84:1205 85:2437 86:589 87:1644
88:1053 89:2642 90:272 91:7429 92:1448 93:2439
94:2599 95:3697 96:999 97:339 98:961 99:963
100:85 101:1094 102:704 103:22741 104:3618 105:367
106:838 107:1856 108:687 109:3636 110:1764 111:1930
112:1562 113:1385 114:1441 115:1823 116:1804 117:2012
118:2089 119:1673 120:886 121:1039 122:2334 123:1880
124:1575 125:2015 128:1383 129:904 130:583 131:1848
132:766 133:297 134:1272 135:272 136:594 137:854
138:2172 139:983 140:654 141:850 142:813 143:1106
144:939 145:290 146:1456 147:992 148:1886 149:1035
150:803 151:1282 152:1454 153:367 154:4482 155:869
156:2959 157:1064 158:695 159:1936 160:1667 161:1051
162:3033 163:877 164:1294 165:1205 166:536 167:1456
168:3571 169:492 170:4203 171:710 172:1842 173:2343
174:1037 175:1009 176:2694 177:4162 178:2835 179:1433
180:2172 181:2377 182:2811 183:1110 184:2389 185:15831
186:3762 187:2561 188:3471 189:2064 190:8268 191:1475
192:10162 193:7191 194:5802 195:4224 196:3360 197:1945
198:6079 199:5927 200:7165 201:5136 202:10378 203:10233
204:4560 205:3083 206:3258 207:3243 208:4005 209:4329
210:3984 211:1998 212:3291 213:2979 214:1124 215:52
216:5891 217:2307 218:900 219:615 220:1960 221:943
222:1020 223:1354
End of report
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