[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 5 18:04:09 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 06 Feb, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 844686
Prefixes after maximum aggregation (per Origin AS): 322012
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 401655
Total ASes present in the Internet Routing Table: 70445
Prefixes per ASN: 11.99
Origin-only ASes present in the Internet Routing Table: 60620
Origin ASes announcing only one prefix: 25030
Transit ASes present in the Internet Routing Table: 9825
Transit-only ASes present in the Internet Routing Table: 301
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 62
Max AS path prepend of ASN (266299) 59
Prefixes from unregistered ASNs in the Routing Table: 881
Number of instances of unregistered ASNs: 887
Number of 32-bit ASNs allocated by the RIRs: 34957
Number of 32-bit ASNs visible in the Routing Table: 29011
Prefixes from 32-bit ASNs in the Routing Table: 135484
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: 619
Number of addresses announced to Internet: 2910601856
Equivalent to 173 /8s, 124 /16s and 66 /24s
Percentage of available address space announced: 78.6
Percentage of allocated address space announced: 78.6
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: 288192
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 221527
Total APNIC prefixes after maximum aggregation: 65515
APNIC Deaggregation factor: 3.38
Prefixes being announced from the APNIC address blocks: 217308
Unique aggregates announced from the APNIC address blocks: 88038
APNIC Region origin ASes present in the Internet Routing Table: 11245
APNIC Prefixes per ASN: 19.32
APNIC Region origin ASes announcing only one prefix: 3214
APNIC Region transit ASes present in the Internet Routing Table: 1588
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6395
Number of APNIC addresses announced to Internet: 770416128
Equivalent to 45 /8s, 235 /16s and 158 /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: 243213
Total ARIN prefixes after maximum aggregation: 112211
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 243808
Unique aggregates announced from the ARIN address blocks: 116192
ARIN Region origin ASes present in the Internet Routing Table: 18713
ARIN Prefixes per ASN: 13.03
ARIN Region origin ASes announcing only one prefix: 6810
ARIN Region transit ASes present in the Internet Routing Table: 1906
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3697
Number of ARIN addresses announced to Internet: 1147742464
Equivalent to 68 /8s, 105 /16s and 41 /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: 241543
Total RIPE prefixes after maximum aggregation: 112276
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 237513
Unique aggregates announced from the RIPE address blocks: 138684
RIPE Region origin ASes present in the Internet Routing Table: 27688
RIPE Prefixes per ASN: 8.58
RIPE Region origin ASes announcing only one prefix: 11891
RIPE Region transit ASes present in the Internet Routing Table: 3886
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9900
Number of RIPE addresses announced to Internet: 710007936
Equivalent to 42 /8s, 81 /16s and 220 /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: 112379
Total LACNIC prefixes after maximum aggregation: 26364
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 113519
Unique aggregates announced from the LACNIC address blocks: 48246
LACNIC Region origin ASes present in the Internet Routing Table: 10652
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2616
LACNIC Region transit ASes present in the Internet Routing Table: 2001
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 62
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8251
Number of LACNIC addresses announced to Internet: 174110208
Equivalent to 10 /8s, 96 /16s and 182 /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: 25141
Total AfriNIC prefixes after maximum aggregation: 4928
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 31919
Unique aggregates announced from the AfriNIC address blocks: 9922
AfriNIC Region origin ASes present in the Internet Routing Table: 1445
AfriNIC Prefixes per ASN: 22.09
AfriNIC Region origin ASes announcing only one prefix: 498
AfriNIC Region transit ASes present in the Internet Routing Table: 288
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 768
Number of AfriNIC addresses announced to Internet: 107872512
Equivalent to 6 /8s, 110 /16s and 1 /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 5702 777 662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4749 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3533 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3222 935 524 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 3176 9045 60 CMNET-GD Guangdong Mobile Communication
45899 2886 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2450 11105 570 KIXS-AS-KR Korea Telecom, KR
9498 2306 482 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2137 441 190 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 4807 9092 2163 AMAZON-02, US
11492 4681 311 843 CABLEONE, US
7155 4036 264 32 VIASAT-SP-BACKBONE, US
22773 3833 2995 231 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3331 1317 72 SHAW, CA
16625 3262 1706 2327 AKAMAI-AS, US
209 2522 5058 506 CENTURYLINK-US-LEGACY-QWEST, US
30036 2506 370 134 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2355 3000 1642 FRONTIER-FRTR, US
5972 2180 437 776 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 8060 1085 3249 TTNET, TR
12479 6282 1700 146 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3403 3347 207 AKAMAI-ASN1, NL
8551 3216 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2875 2282 890 ROSTELECOM-AS, RU
9009 2323 234 1254 M247, GB
34984 2175 354 581 TELLCOM-AS, TR
13188 1611 100 23 TRIOLAN, UA
58224 1508 870 551 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 8200 3405 593 Uninet S.A. de C.V., MX
10620 3398 526 617 Telmex Colombia S.A., CO
11830 2562 369 63 Instituto Costarricense de Electricidad
13999 1625 432 422 Mega Cable, S.A. de C.V., MX
7303 1439 913 262 Telecom Argentina S.A., AR
6503 1437 311 475 Axtel, S.A.B. de C.V., MX
28573 1374 2259 219 CLARO S.A., BR
6147 1158 379 39 Telefonica del Peru S.A.A., PE
3816 1144 563 143 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 996 211 414 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 1579 393 21 LINKdotNET-AS, EG
24835 1293 484 28 RAYA-AS, EG
36992 1185 1537 169 ETISALAT-MISR, EG
36903 978 510 101 MT-MPLS, MA
29571 702 68 11 ORANGE-COTE-IVOIRE, CI
6713 533 1863 34 IAM-AS, MA
36935 487 522 40 Vodafone-, EG
37342 486 32 1 MOVITEL, MZ
15399 483 46 18 WANANCHI-, KE
23889 454 232 16 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 8200 3405 593 Uninet S.A. de C.V., MX
47331 8060 1085 3249 TTNET, TR
12479 6282 1700 146 UNI2-AS, ES
7545 5702 777 662 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4807 9092 2163 AMAZON-02, US
4538 4749 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4681 311 843 CABLEONE, US
7155 4036 264 32 VIASAT-SP-BACKBONE, US
22773 3833 2995 231 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3533 1330 19 VIETEL-AS-AP Viettel Group, VN
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 6282 6136 UNI2-AS, ES
7545 5702 5040 TPG-INTERNET-AP TPG Telecom Limited, AU
47331 8060 4811 TTNET, TR
4538 4749 4675 ERX-CERNET-BKB China Education and Research Net
7155 4036 4004 VIASAT-SP-BACKBONE, US
11492 4681 3838 CABLEONE, US
22773 3833 3602 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3533 3514 VIETEL-AS-AP Viettel Group, VN
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3331 3259 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
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
393489 UNALLOCATED 12.7.109.0/24 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 /10:40 /11:102 /12:293
/13:580 /14:1183 /15:1934 /16:13481 /17:8299 /18:13816
/19:25675 /20:41641 /21:50911 /22:105018 /23:89450 /24:490778
/25:1462 /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 7202 8060 TTNET, TR
12479 5245 6282 UNI2-AS, ES
11492 3765 4681 CABLEONE, US
6327 3136 3331 SHAW, CA
7155 3124 4036 VIASAT-SP-BACKBONE, US
22773 2911 3833 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2805 8200 Uninet S.A. de C.V., MX
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2681 3216 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2228 2506 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1877 2:1194 3:88 4:25 5:3585 6:64
7:5 8:1490 9:1 11:36 12:1754 13:355
14:2438 15:74 16:15 17:313 18:94 20:115
22:188 23:4315 24:2373 25:3 27:2380 31:2194
32:112 34:2 35:39 36:1139 37:3629 38:2040
39:482 40:150 41:3901 42:895 43:2094 44:231
45:14850 46:3631 47:320 49:1612 50:1699 51:104
52:1203 54:218 55:779 56:6 57:57 58:1690
59:1163 60:820 61:2365 62:2224 63:1989 64:5233
65:2401 66:5135 67:2926 68:1169 69:4074 70:1399
71:687 72:3236 74:2576 75:1473 76:694 77:2015
78:3704 79:2464 80:1781 81:1641 82:1305 83:1116
84:1255 85:3280 86:647 87:1795 88:2825 89:3062
90:393 91:7251 92:1626 93:2524 94:2951 95:4444
96:1213 97:343 98:977 99:978 100:91 101:1041
102:1283 103:25260 104:3651 105:417 106:723 107:2199
108:675 109:3835 110:1998 111:2378 112:1760 113:1687
114:1427 115:1869 116:1893 117:2198 118:2303 119:1932
120:945 121:1082 122:2306 123:2173 124:1642 125:2158
128:1307 129:1177 130:797 131:2028 132:758 133:320
134:1557 135:288 136:716 137:891 138:2280 139:1163
140:742 141:1163 142:1060 143:1249 144:1217 145:327
146:1388 147:1221 148:2210 149:1256 150:748 151:1202
152:1552 153:455 154:2148 155:1276 156:1423 157:1165
158:925 159:2025 160:2048 161:1096 162:3238 163:987
164:1433 165:1302 166:597 167:1774 168:3557 169:645
170:4366 171:757 172:2059 173:2937 174:974 175:1065
176:2954 177:4395 178:2861 179:1868 180:2275 181:2612
182:3166 183:1668 184:2456 185:17812 186:4122 187:3051
188:3279 189:2745 190:9074 191:1374 192:10650 193:7921
194:6471 195:4628 196:3024 197:2342 198:6005 199:5969
200:7401 201:5293 202:10508 203:10114 204:4641 205:3264
206:3438 207:3317 208:3999 209:4599 210:4228 211:2172
212:3600 213:3284 214:1199 215:62 216:6162 217:2522
218:1019 219:681 220:2072 221:944 222:983 223:1746
End of report
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