[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 12 18:02:33 UTC 2021
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 13 Mar, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 849542
Prefixes after maximum aggregation (per Origin AS): 322940
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 405118
Total ASes present in the Internet Routing Table: 70782
Prefixes per ASN: 12.00
Origin-only ASes present in the Internet Routing Table: 60922
Origin ASes announcing only one prefix: 25123
Transit ASes present in the Internet Routing Table: 9860
Transit-only ASes present in the Internet Routing Table: 296
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 47
Max AS path prepend of ASN ( 17747) 41
Prefixes from unregistered ASNs in the Routing Table: 996
Number of instances of unregistered ASNs: 1000
Number of 32-bit ASNs allocated by the RIRs: 35352
Number of 32-bit ASNs visible in the Routing Table: 29397
Prefixes from 32-bit ASNs in the Routing Table: 136778
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 538
Number of addresses announced to Internet: 2916667008
Equivalent to 173 /8s, 216 /16s and 206 /24s
Percentage of available address space announced: 78.8
Percentage of allocated address space announced: 78.8
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: 289248
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 223226
Total APNIC prefixes after maximum aggregation: 65172
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 219346
Unique aggregates announced from the APNIC address blocks: 89061
APNIC Region origin ASes present in the Internet Routing Table: 11360
APNIC Prefixes per ASN: 19.31
APNIC Region origin ASes announcing only one prefix: 3234
APNIC Region transit ASes present in the Internet Routing Table: 1602
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 47
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6510
Number of APNIC addresses announced to Internet: 770758400
Equivalent to 45 /8s, 240 /16s and 215 /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, 131072-143673
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: 244378
Total ARIN prefixes after maximum aggregation: 112352
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 245021
Unique aggregates announced from the ARIN address blocks: 116945
ARIN Region origin ASes present in the Internet Routing Table: 18742
ARIN Prefixes per ASN: 13.07
ARIN Region origin ASes announcing only one prefix: 6804
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: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3758
Number of ARIN addresses announced to Internet: 1152549376
Equivalent to 68 /8s, 178 /16s and 130 /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, 393216-401308
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: 242680
Total RIPE prefixes after maximum aggregation: 113223
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 238433
Unique aggregates announced from the RIPE address blocks: 140429
RIPE Region origin ASes present in the Internet Routing Table: 27784
RIPE Prefixes per ASN: 8.58
RIPE Region origin ASes announcing only one prefix: 11914
RIPE Region transit ASes present in the Internet Routing Table: 3892
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10008
Number of RIPE addresses announced to Internet: 710411904
Equivalent to 42 /8s, 88 /16s and 6 /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: 112974
Total LACNIC prefixes after maximum aggregation: 26529
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 114120
Unique aggregates announced from the LACNIC address blocks: 48144
LACNIC Region origin ASes present in the Internet Routing Table: 10731
LACNIC Prefixes per ASN: 10.63
LACNIC Region origin ASes announcing only one prefix: 2664
LACNIC Region transit ASes present in the Internet Routing Table: 2009
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 33
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8331
Number of LACNIC addresses announced to Internet: 174675456
Equivalent to 10 /8s, 105 /16s and 86 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 25287
Total AfriNIC prefixes after maximum aggregation: 4897
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 32084
Unique aggregates announced from the AfriNIC address blocks: 10069
AfriNIC Region origin ASes present in the Internet Routing Table: 1449
AfriNIC Prefixes per ASN: 22.14
AfriNIC Region origin ASes announcing only one prefix: 507
AfriNIC Region transit ASes present in the Internet Routing Table: 288
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 790
Number of AfriNIC addresses announced to Internet: 107830784
Equivalent to 6 /8s, 109 /16s and 94 /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 5717 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4834 4192 74 ERX-CERNET-BKB China Education and Rese
9808 4009 9045 60 CMNET-GD Guangdong Mobile Communication
7552 3529 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3515 1014 54 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2900 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2444 11104 567 KIXS-AS-KR Korea Telecom, KR
9498 2317 483 235 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 441 192 TATACOMM-AS TATA Communications formerl
45090 2080 1045 63 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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
16509 4893 9229 2214 AMAZON-02, US
11492 4743 315 723 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3926 2999 252 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3348 1317 72 SHAW, CA
16625 3309 1725 2354 AKAMAI-AS, US
30036 2527 371 87 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2511 5057 499 CENTURYLINK-US-LEGACY-QWEST, US
5650 2350 3000 1642 FRONTIER-FRTR, US
5972 2201 445 781 DNIC-ASBLK-05800-06055, 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
47331 7701 1038 3474 TTNET, TR
12479 6363 1700 146 UNI2-AS, ES
20940 3534 3347 207 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 3132 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2882 2284 894 ROSTELECOM-AS, RU
9009 2454 252 1323 M247, GB
34984 2180 355 579 TELLCOM-AS, TR
13188 1611 100 26 TRIOLAN, UA
58224 1552 878 557 TCI, IR
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 8435 3470 581 Uninet S.A. de C.V., MX
10620 3405 527 612 Telmex Colombia S.A., CO
11830 2563 369 63 Instituto Costarricense de Electricidad
13999 1659 436 421 Mega Cable, S.A. de C.V., MX
7303 1637 1289 291 Telecom Argentina S.A., AR
6503 1442 311 475 Axtel, S.A.B. de C.V., MX
28573 1407 2266 221 CLARO S.A., BR
3816 1212 623 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1128 377 39 Telefonica del Peru S.A.A., PE
11664 996 211 403 Techtel LMDS Comunicaciones Interactiva
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 1578 393 22 LINKdotNET-AS, EG
24835 1435 482 29 RAYA-AS, EG
36992 1192 1537 174 ETISALAT-MISR, EG
36903 977 510 104 MT-MPLS, MA
29571 705 68 11 ORANGE-COTE-IVOIRE, CI
6713 539 1863 34 IAM-AS, MA
36935 500 522 40 Vodafone-, EG
37342 482 32 1 MOVITEL, MZ
15399 453 47 17 WANANCHI-, KE
23889 446 232 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 8435 3470 581 Uninet S.A. de C.V., MX
47331 7701 1038 3474 TTNET, TR
12479 6363 1700 146 UNI2-AS, ES
7545 5717 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4893 9229 2214 AMAZON-02, US
4538 4834 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4743 315 723 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
9808 4009 9045 60 CMNET-GD Guangdong Mobile Communication
22773 3926 2999 252 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 6363 6217 UNI2-AS, ES
7545 5717 5048 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4834 4760 ERX-CERNET-BKB China Education and Research Net
47331 7701 4227 TTNET, TR
11492 4743 4020 CABLEONE, US
7155 4030 3998 VIASAT-SP-BACKBONE, US
9808 4009 3949 CMNET-GD Guangdong Mobile Communication Co.Ltd.
22773 3926 3674 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3529 3508 VIETEL-AS-AP Viettel Group, VN
7713 3515 3461 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397881 STINGERS, US
Transit: 398481 REDMERCURY, US
23.226.240.0/20 Origin: 40430 UNASSIGNED
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 No. 14, Jala
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 /8:11 /9:12 /10:41 /11:102 /12:291
/13:575 /14:1181 /15:1940 /16:13497 /17:8294 /18:13778
/19:25641 /20:42024 /21:50958 /22:105588 /23:89954 /24:494234
/25:1421 /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
47331 6880 7701 TTNET, TR
12479 5321 6363 UNI2-AS, ES
11492 3798 4743 CABLEONE, US
6327 3153 3348 SHAW, CA
7155 3118 4030 VIASAT-SP-BACKBONE, US
8151 3014 8435 Uninet S.A. de C.V., MX
22773 2961 3926 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2596 3132 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2238 2527 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1883 2:1160 3:94 4:18 5:3532 6:64
7:5 8:1501 9:1 11:36 12:1750 13:360
14:2347 15:77 16:15 17:318 18:93 20:130
22:188 23:4557 24:2387 25:2 27:2504 31:2261
32:113 34:3 35:40 36:1147 37:3722 38:2064
39:559 40:151 41:3826 42:918 43:2118 44:240
45:15017 46:3648 47:319 49:1624 50:1741 51:91
52:1206 54:219 55:783 56:6 57:56 58:1742
59:1210 60:886 61:2411 62:2257 63:1971 64:5291
65:2384 66:5152 67:2915 68:1173 69:4076 70:1405
71:685 72:3220 74:2572 75:1479 76:687 77:2010
78:3639 79:2353 80:1823 81:1626 82:1316 83:1105
84:1251 85:3219 86:718 87:1780 88:2701 89:2988
90:433 91:7250 92:1759 93:2545 94:3031 95:4405
96:1252 97:345 98:992 99:970 100:89 101:1046
102:1280 103:25599 104:3714 105:424 106:721 107:2227
108:702 109:3929 110:2003 111:2624 112:1888 113:1652
114:1464 115:1874 116:1885 117:2201 118:2294 119:1917
120:1055 121:1087 122:2313 123:2196 124:1592 125:2098
128:1362 129:949 130:818 131:2019 132:765 133:354
134:1558 135:291 136:734 137:908 138:2297 139:1202
140:731 141:1185 142:1105 143:1278 144:1255 145:323
146:1391 147:1264 148:2181 149:1446 150:779 151:1087
152:1546 153:387 154:2235 155:1367 156:1496 157:1158
158:924 159:2045 160:2070 161:1151 162:3231 163:969
164:1434 165:1336 166:598 167:1775 168:3542 169:661
170:4278 171:761 172:2106 173:2965 174:980 175:1100
176:3041 177:4363 178:2890 179:1954 180:2274 181:2625
182:3200 183:1643 184:2455 185:17996 186:4199 187:3129
188:3311 189:2809 190:8953 191:1480 192:10580 193:7935
194:6538 195:4678 196:2888 197:2322 198:6032 199:5991
200:7420 201:5344 202:10575 203:10113 204:4646 205:3307
206:3491 207:3334 208:3990 209:4628 210:4260 211:2178
212:3672 213:3323 214:1208 215:61 216:6165 217:2520
218:1053 219:699 220:2067 221:935 222:996 223:1771
End of report
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