[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 17 Avr 18:03:28 UTC 2020
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 18 Apr, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 806496
Prefixes after maximum aggregation (per Origin AS): 306294
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 393395
Total ASes present in the Internet Routing Table: 67775
Prefixes per ASN: 11.90
Origin-only ASes present in the Internet Routing Table: 58227
Origin ASes announcing only one prefix: 24284
Transit ASes present in the Internet Routing Table: 9548
Transit-only ASes present in the Internet Routing Table: 293
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 43
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 1135
Number of instances of unregistered ASNs: 1138
Number of 32-bit ASNs allocated by the RIRs: 31315
Number of 32-bit ASNs visible in the Routing Table: 25896
Prefixes from 32-bit ASNs in the Routing Table: 119373
Number of bogon 32-bit ASNs visible in the Routing Table: 21
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 887
Number of addresses announced to Internet: 2854764032
Equivalent to 170 /8s, 40 /16s and 62 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 271711
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212063
Total APNIC prefixes after maximum aggregation: 62008
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 205066
Unique aggregates announced from the APNIC address blocks: 85529
APNIC Region origin ASes present in the Internet Routing Table: 10525
APNIC Prefixes per ASN: 19.48
APNIC Region origin ASes announcing only one prefix: 2927
APNIC Region transit ASes present in the Internet Routing Table: 1567
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5590
Number of APNIC addresses announced to Internet: 766930816
Equivalent to 45 /8s, 182 /16s and 111 /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: 235932
Total ARIN prefixes after maximum aggregation: 108500
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 233397
Unique aggregates announced from the ARIN address blocks: 118491
ARIN Region origin ASes present in the Internet Routing Table: 18432
ARIN Prefixes per ASN: 12.66
ARIN Region origin ASes announcing only one prefix: 6715
ARIN Region transit ASes present in the Internet Routing Table: 1916
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3207
Number of ARIN addresses announced to Internet: 1079340032
Equivalent to 64 /8s, 85 /16s and 108 /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: 229210
Total RIPE prefixes after maximum aggregation: 105765
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 225876
Unique aggregates announced from the RIPE address blocks: 132192
RIPE Region origin ASes present in the Internet Routing Table: 27022
RIPE Prefixes per ASN: 8.36
RIPE Region origin ASes announcing only one prefix: 11738
RIPE Region transit ASes present in the Internet Routing Table: 3805
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9112
Number of RIPE addresses announced to Internet: 724136832
Equivalent to 43 /8s, 41 /16s and 115 /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
196608-213403
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: 105790
Total LACNIC prefixes after maximum aggregation: 24575
LACNIC Deaggregation factor: 4.30
Prefixes being announced from the LACNIC address blocks: 107128
Unique aggregates announced from the LACNIC address blocks: 46384
LACNIC Region origin ASes present in the Internet Routing Table: 9739
LACNIC Prefixes per ASN: 11.00
LACNIC Region origin ASes announcing only one prefix: 2419
LACNIC Region transit ASes present in the Internet Routing Table: 1843
Average LACNIC Region AS path length visible: 5.5
Max LACNIC Region AS path length visible: 43
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7312
Number of LACNIC addresses announced to Internet: 174516992
Equivalent to 10 /8s, 102 /16s and 235 /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: 22365
Total AfriNIC prefixes after maximum aggregation: 4707
AfriNIC Deaggregation factor: 4.75
Prefixes being announced from the AfriNIC address blocks: 34142
Unique aggregates announced from the AfriNIC address blocks: 10047
AfriNIC Region origin ASes present in the Internet Routing Table: 1383
AfriNIC Prefixes per ASN: 24.69
AfriNIC Region origin ASes announcing only one prefix: 485
AfriNIC Region transit ASes present in the Internet Routing Table: 270
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 675
Number of AfriNIC addresses announced to Internet: 109336832
Equivalent to 6 /8s, 132 /16s and 89 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 5397 681 640 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4651 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3398 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3145 1802 105 VNPT-AS-VN VNPT Corp, VN
7713 2709 831 503 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2544 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2288 11102 560 KIXS-AS-KR Korea Telecom, KR
9498 2259 434 221 BBIL-AP BHARTI Airtel Ltd., IN
4755 2135 441 192 TATACOMM-AS TATA Communications formerl
9394 2041 4914 20 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
11492 4121 274 632 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3978 7874 1759 AMAZON-02, US
22773 3533 2969 150 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3363 1324 92 SHAW, CA
16625 3005 1585 2171 AKAMAI-AS, US
30036 2365 362 91 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2357 5076 535 CENTURYLINK-US-LEGACY-QWEST, US
5650 2300 2981 1621 FRONTIER-FRTR, US
26484 2196 137 172 IKGUL-26484, 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 5780 1603 138 UNI2-AS, ES
31334 4765 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3193 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2957 460 2024 AKAMAI-ASN1, EU
12389 2492 2251 725 ROSTELECOM-AS, RU
9009 2168 229 1172 M247, GB
34984 2056 350 563 TELLCOM-AS, TR
9121 1878 1691 18 TTNET, TR
13188 1606 100 36 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 6463 3307 604 Uninet S.A. de C.V., MX
10620 3357 530 519 Telmex Colombia S.A., CO
11830 2671 369 63 Instituto Costarricense de Electricidad
6503 1689 327 387 Axtel, S.A.B. de C.V., MX
7303 1553 1032 259 Telecom Argentina S.A., AR
28573 1366 2242 203 CLARO S.A., BR
13999 1302 486 329 Mega Cable, S.A. de C.V., MX
6147 1139 379 39 Telefonica del Peru S.A.A., PE
3816 1090 565 144 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 957 112 71 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 1470 393 22 LINKdotNET-AS, EG
24835 1109 574 25 RAYA-AS, EG
36992 1093 1539 76 ETISALAT-MISR, EG
36903 890 467 88 MT-MPLS, MA
29571 592 68 12 ORANGE-COTE-IVOIRE, CI
6713 579 1863 34 IAM-AS, MA
37342 480 32 1 MOVITEL, MZ
36935 411 522 44 Vodafone-, EG
23889 368 231 15 MauritiusTelecom, MU
15399 337 45 10 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 6463 3307 604 Uninet S.A. de C.V., MX
12479 5780 1603 138 UNI2-AS, ES
7545 5397 681 640 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4765 484 13 KABELDEUTSCHLAND-AS, DE
4538 4651 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4121 274 632 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3978 7874 1759 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3533 2969 150 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5780 5642 UNI2-AS, ES
7545 5397 4757 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4765 4752 KABELDEUTSCHLAND-AS, DE
4538 4651 4578 ERX-CERNET-BKB China Education and Research Net
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
11492 4121 3489 CABLEONE, US
22773 3533 3383 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3398 3376 VIETEL-AS-AP Viettel Group, VN
6327 3363 3271 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
26584 UNALLOCATED 8.42.62.0/23 209 CENTURYLINK-US-LEGACY-QWEST,
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.137.192.0/24 Origin: 31798 CANAD-86-31798, CA
Transit: 174 COGENT-174, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /11:99 /12:285
/13:579 /14:1165 /15:1915 /16:13351 /17:8183 /18:13912
/19:25839 /20:40482 /21:48011 /22:99841 /23:82315 /24:469179
/25:1281 /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 4780 5780 UNI2-AS, ES
31334 4610 4765 KABELDEUTSCHLAND-AS, DE
11492 3241 4121 CABLEONE, US
6327 3151 3363 SHAW, CA
7155 3125 4034 VIASAT-SP-BACKBONE, US
39891 2801 3651 ALJAWWALSTC-AS, SA
22773 2751 3533 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2652 3193 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2191 6463 Uninet S.A. de C.V., MX
30036 2112 2365 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1654 2:1145 3:30 4:19 5:3337 6:50
8:1403 9:1 11:1 12:1797 13:500 14:2268
15:75 16:9 17:299 18:81 20:83 23:3492
24:2269 25:2 27:2555 31:3051 32:103 34:3
35:41 36:925 37:3290 38:1938 39:327 40:124
41:3599 42:701 43:2095 44:196 45:14051 46:3708
47:286 49:1433 50:1243 51:93 52:1130 54:270
55:650 56:6 57:52 58:1775 59:1188 60:718
61:2234 62:2278 63:1942 64:5091 65:2300 66:4901
67:2859 68:1228 69:3853 70:1430 71:679 72:2877
74:2600 75:1434 76:681 77:2818 78:1876 79:2366
80:1898 81:1606 82:1298 83:1175 84:1200 85:2544
86:549 87:1707 88:1131 89:2702 90:315 91:7903
92:1493 93:2457 94:2647 95:3978 96:1092 97:335
98:954 99:974 100:87 101:983 102:887 103:23488
104:3387 105:376 106:830 107:1971 108:702 109:3710
110:1807 111:2000 112:1606 113:1403 114:1542 115:1843
116:1793 117:2091 118:2152 119:1738 120:835 121:1043
122:2432 123:1985 124:1555 125:2025 128:1350 129:943
130:631 131:1839 132:762 133:300 134:1305 135:305
136:610 137:845 138:2165 139:986 140:638 141:931
142:899 143:1229 144:973 145:329 146:1481 147:1038
148:2129 149:1173 150:810 151:1292 152:1488 153:379
154:4749 155:1045 156:3398 157:1104 158:827 159:1947
160:1920 161:1014 162:3046 163:856 164:1462 165:1272
166:535 167:1627 168:3679 169:514 170:4269 171:769
172:1923 173:2464 174:1014 175:1015 176:2629 177:4208
178:3042 179:1497 180:2321 181:2525 182:3082 183:1130
184:2409 185:16350 186:3792 187:2692 188:4055 189:2254
190:8623 191:1442 192:10347 193:7448 194:6117 195:4369
196:3310 197:1881 198:6107 199:5954 200:7201 201:5207
202:10511 203:10167 204:4520 205:3126 206:3249 207:3282
208:4050 209:4427 210:4011 211:2007 212:3310 213:3061
214:1171 215:61 216:5933 217:2404 218:876 219:609
220:2034 221:897 222:992 223:1468
End of report
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