[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Nov 11 18:02:56 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 12 Nov, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 914964
Prefixes after maximum aggregation (per Origin AS): 345602
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 441991
Total ASes present in the Internet Routing Table: 73771
Prefixes per ASN: 12.40
Origin-only ASes present in the Internet Routing Table: 63375
Origin ASes announcing only one prefix: 26011
Transit ASes present in the Internet Routing Table: 10396
Transit-only ASes present in the Internet Routing Table: 421
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1047
Number of instances of unregistered ASNs: 1049
Number of 32-bit ASNs allocated by the RIRs: 40587
Number of 32-bit ASNs visible in the Routing Table: 33639
Prefixes from 32-bit ASNs in the Routing Table: 163086
Number of bogon 32-bit ASNs visible in the Routing Table: 10
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 520
Number of addresses announced to Internet: 3064036352
Equivalent to 182 /8s, 161 /16s and 124 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 310802
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239088
Total APNIC prefixes after maximum aggregation: 68087
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 233936
Unique aggregates announced from the APNIC address blocks: 96889
APNIC Region origin ASes present in the Internet Routing Table: 13046
APNIC Prefixes per ASN: 17.93
APNIC Region origin ASes announcing only one prefix: 3757
APNIC Region transit ASes present in the Internet Routing Table: 1749
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8299
Number of APNIC addresses announced to Internet: 773753216
Equivalent to 46 /8s, 30 /16s and 137 /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, 131072-151865
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: 267115
Total ARIN prefixes after maximum aggregation: 121839
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 268506
Unique aggregates announced from the ARIN address blocks: 129060
ARIN Region origin ASes present in the Internet Routing Table: 19064
ARIN Prefixes per ASN: 14.08
ARIN Region origin ASes announcing only one prefix: 6977
ARIN Region transit ASes present in the Internet Routing Table: 1932
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4678
Number of ARIN addresses announced to Internet: 1289548800
Equivalent to 76 /8s, 220 /16s and 244 /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: 262050
Total RIPE prefixes after maximum aggregation: 121085
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 258948
Unique aggregates announced from the RIPE address blocks: 154970
RIPE Region origin ASes present in the Internet Routing Table: 28150
RIPE Prefixes per ASN: 9.20
RIPE Region origin ASes announcing only one prefix: 12001
RIPE Region transit ASes present in the Internet Routing Table: 3946
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10869
Number of RIPE addresses announced to Internet: 716379776
Equivalent to 42 /8s, 179 /16s and 22 /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: 117020
Total LACNIC prefixes after maximum aggregation: 28176
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 116457
Unique aggregates announced from the LACNIC address blocks: 48612
LACNIC Region origin ASes present in the Internet Routing Table: 10991
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2681
LACNIC Region transit ASes present in the Internet Routing Table: 2252
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8757
Number of LACNIC addresses announced to Internet: 175986688
Equivalent to 10 /8s, 125 /16s and 88 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 28644
Total AfriNIC prefixes after maximum aggregation: 5631
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 36597
Unique aggregates announced from the AfriNIC address blocks: 12028
AfriNIC Region origin ASes present in the Internet Routing Table: 1708
AfriNIC Prefixes per ASN: 21.43
AfriNIC Region origin ASes announcing only one prefix: 595
AfriNIC Region transit ASes present in the Internet Routing Table: 329
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1036
Number of AfriNIC addresses announced to Internet: 108078848
Equivalent to 6 /8s, 113 /16s and 39 /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
9808 9132 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5946 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3611 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3509 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3392 1877 66 VNPT-AS-VN VNPT Corp, VN
4766 2536 11252 602 KIXS-AS-KR Korea Telecom, KR
9498 2526 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2275 849 418 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 7582 10612 2927 AMAZON-02, US
11492 4586 304 543 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3749 3060 338 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3572 1868 2552 AKAMAI-AS, US
6327 3525 1320 63 SHAW, CA
749 3055 50656 2322 DNIC-AS-00749, US
30036 2601 372 270 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2578 24058 1553 ATT-INTERNET4, US
396982 2562 3481 356 GOOGLE-CLOUD-PLATFORM, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6936 1730 144 UNI2-AS, ES
9121 6716 1692 17 TTNET, TR
20940 4115 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2954 2290 913 ROSTELECOM-AS, RU
9009 2625 252 1353 M247, RO
6849 2374 339 20 UKRTELNET, UA
34984 2241 357 614 TELLCOM-AS, TR
47331 2203 337 1671 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10821 3347 601 Uninet S.A. de C.V., MX
10620 3476 511 837 Telmex Colombia S.A., CO
11830 2300 369 64 Instituto Costarricense de Electricidad
13999 2112 343 548 Mega Cable, S.A. de C.V., MX
28573 1336 2328 260 Claro NXT Telecomunicacoes Ltda, BR
6503 1293 338 521 Axtel, S.A.B. de C.V., MX
3816 1286 726 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1112 182 474 Techtel LMDS Comunicaciones Interactiva
6147 1087 369 22 Telefonica del Peru S.A.A., PE
26615 992 2466 43 TIM SA, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1572 393 21 LINKdotNET-AS, EG
24835 1545 521 31 RAYA-AS, EG
36992 1354 1520 270 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1011 68 37 ORANGE-COTE-IVOIRE, CI
36935 828 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 527 53 43 WANANCHI-, KE
37342 494 32 1 MOVITEL, MZ
23889 400 231 14 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10821 3347 601 Uninet S.A. de C.V., MX
9808 9132 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7582 10612 2927 AMAZON-02, US
12479 6936 1730 144 UNI2-AS, ES
9121 6716 1692 17 TTNET, TR
7545 5946 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4586 304 543 CABLEONE, US
20940 4115 3400 182 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9132 9082 CHINAMOBILE-CN China Mobile Communications Grou
12479 6936 6792 UNI2-AS, ES
9121 6716 6699 TTNET, TR
7545 5946 5251 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4872 4797 ERX-CERNET-BKB China Education and Research Net
16509 7582 4655 AMAZON-02, US
11492 4586 4043 CABLEONE, US
39891 4010 3963 ALJAWWALSTC-AS, SA
8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4115 3933 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.181.240.0/24 Origin: 399613 UNASSIGNED
23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
Complete listing at https://thyme.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 /8:16 /9:13 /10:39 /11:100 /12:295
/13:587 /14:1199 /15:2046 /16:13522 /17:8347 /18:13980
/19:25193 /20:44380 /21:52336 /22:110089 /23:97970 /24:544024
/25:828 /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 5949 6936 UNI2-AS, ES
9121 5872 6716 TTNET, TR
8151 4772 10821 Uninet S.A. de C.V., MX
11492 3494 4586 CABLEONE, US
8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3333 3525 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2773 3749 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2257 2601 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1908 2:1027 3:166 4:5 5:4024 6:120
7:5 8:1583 9:1 11:173 12:1620 13:352
14:2377 15:287 16:71 17:363 18:381 20:239
21:4 22:188 23:6018 24:2467 25:6 27:2701
29:19 31:2484 32:93 34:8 35:95 36:1791
37:4532 38:3751 39:773 40:144 41:3944 42:1184
43:2249 44:300 45:16312 46:4173 47:377 49:1721
50:1925 51:244 52:1498 54:397 55:845 56:8
57:78 58:1795 59:1163 60:1006 61:2417 62:2571
63:1957 64:5624 65:2328 66:4826 67:3006 68:1379
69:4156 70:1296 71:679 72:3001 74:2647 75:1476
76:600 77:2246 78:3969 79:3152 80:2032 81:1814
82:1493 83:1207 84:1469 85:3738 86:729 87:1923
88:2838 89:3442 90:551 91:7603 92:2033 93:2554
94:3524 95:4828 96:1337 97:348 98:1174 99:739
100:69 101:1072 102:2418 103:30324 104:4544 105:479
106:890 107:2542 108:921 109:4330 110:2017 111:3316
112:2049 113:1560 114:1584 115:2026 116:1903 117:2479
118:2325 119:1857 120:1710 121:1112 122:2585 123:2116
124:1555 125:2191 128:1254 129:979 130:972 131:2035
132:848 133:378 134:1914 135:291 136:884 137:909
138:2526 139:1515 140:1110 141:1481 142:1419 143:1397
144:1197 145:351 146:1878 147:1537 148:2257 149:1836
150:873 151:1145 152:1830 153:455 154:3847 155:1429
156:1615 157:1298 158:1041 159:2209 160:2591 161:1389
162:3505 163:1448 164:1674 165:1627 166:831 167:1706
168:3834 169:907 170:4532 171:852 172:3478 173:3106
174:1036 175:1152 176:3623 177:4785 178:3529 179:2122
180:2352 181:3349 182:3243 183:1935 184:2352 185:19903
186:4551 187:3968 188:4016 189:3446 190:9071 191:1414
192:11001 193:8771 194:7192 195:5103 196:2984 197:2483
198:6005 199:6066 200:7614 201:5833 202:10573 203:10060
204:4599 205:3479 206:3861 207:3400 208:4098 209:4812
210:4394 211:2440 212:4036 213:3512 214:1095 215:53
216:6527 217:2621 218:1290 219:572 220:2052 221:926
222:840 223:2020
End of report
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