[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 16 18:03:10 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 17 Dec, 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: 917158
Prefixes after maximum aggregation (per Origin AS): 346713
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 443437
Total ASes present in the Internet Routing Table: 73876
Prefixes per ASN: 12.41
Origin-only ASes present in the Internet Routing Table: 63414
Origin ASes announcing only one prefix: 26033
Transit ASes present in the Internet Routing Table: 10462
Transit-only ASes present in the Internet Routing Table: 425
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: 1005
Number of instances of unregistered ASNs: 1010
Number of 32-bit ASNs allocated by the RIRs: 40913
Number of 32-bit ASNs visible in the Routing Table: 33853
Prefixes from 32-bit ASNs in the Routing Table: 165128
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 483
Number of addresses announced to Internet: 3062208256
Equivalent to 182 /8s, 133 /16s and 151 /24s
Percentage of available address space announced: 82.7
Percentage of allocated address space announced: 82.7
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: 311358
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239734
Total APNIC prefixes after maximum aggregation: 68403
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 234571
Unique aggregates announced from the APNIC address blocks: 97351
APNIC Region origin ASes present in the Internet Routing Table: 13173
APNIC Prefixes per ASN: 17.81
APNIC Region origin ASes announcing only one prefix: 3840
APNIC Region transit ASes present in the Internet Routing Table: 1757
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8431
Number of APNIC addresses announced to Internet: 773757824
Equivalent to 46 /8s, 30 /16s and 155 /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: 267576
Total ARIN prefixes after maximum aggregation: 121706
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 269183
Unique aggregates announced from the ARIN address blocks: 129494
ARIN Region origin ASes present in the Internet Routing Table: 19050
ARIN Prefixes per ASN: 14.13
ARIN Region origin ASes announcing only one prefix: 6963
ARIN Region transit ASes present in the Internet Routing Table: 1951
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4701
Number of ARIN addresses announced to Internet: 1288689408
Equivalent to 76 /8s, 207 /16s and 215 /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: 262985
Total RIPE prefixes after maximum aggregation: 121762
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 259832
Unique aggregates announced from the RIPE address blocks: 155382
RIPE Region origin ASes present in the Internet Routing Table: 28121
RIPE Prefixes per ASN: 9.24
RIPE Region origin ASes announcing only one prefix: 11973
RIPE Region transit ASes present in the Internet Routing Table: 3954
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: 10908
Number of RIPE addresses announced to Internet: 715316864
Equivalent to 42 /8s, 162 /16s and 222 /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: 117374
Total LACNIC prefixes after maximum aggregation: 28412
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116686
Unique aggregates announced from the LACNIC address blocks: 48806
LACNIC Region origin ASes present in the Internet Routing Table: 11006
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2662
LACNIC Region transit ASes present in the Internet Routing Table: 2272
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8765
Number of LACNIC addresses announced to Internet: 176014336
Equivalent to 10 /8s, 125 /16s and 196 /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: 28484
Total AfriNIC prefixes after maximum aggregation: 5658
AfriNIC Deaggregation factor: 5.03
Prefixes being announced from the AfriNIC address blocks: 36403
Unique aggregates announced from the AfriNIC address blocks: 12015
AfriNIC Region origin ASes present in the Internet Routing Table: 1710
AfriNIC Prefixes per ASN: 21.29
AfriNIC Region origin ASes announcing only one prefix: 595
AfriNIC Region transit ASes present in the Internet Routing Table: 330
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1048
Number of AfriNIC addresses announced to Internet: 108144128
Equivalent to 6 /8s, 114 /16s and 38 /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 9165 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5933 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3503 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3359 1867 87 VNPT-AS-VN VNPT Corp, VN
9498 2679 499 237 BBIL-AP BHARTI Airtel Ltd., IN
4766 2529 11251 594 KIXS-AS-KR Korea Telecom, KR
24560 2320 849 425 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 7752 10639 2928 AMAZON-02, US
11492 4548 301 567 CABLEONE, US
7155 3894 265 33 VIASAT-SP-BACKBONE, US
22773 3700 3065 329 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3520 1320 63 SHAW, CA
16625 3505 1828 2524 AKAMAI-AS, US
749 3026 50577 2293 DNIC-AS-00749, US
7018 2600 24142 1571 ATT-INTERNET4, US
396982 2571 3484 366 GOOGLE-CLOUD-PLATFORM, US
30036 2564 368 378 MEDIACOM-ENTERPRISE-BUSINESS, 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 6938 1706 146 UNI2-AS, ES
9121 6235 1692 17 TTNET, TR
39891 4487 264 56 ALJAWWALSTC-AS, SA
20940 4072 3400 183 AKAMAI-ASN1, NL
8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 907 ROSTELECOM-AS, RU
47331 2717 401 2055 TTNET, TR
9009 2645 252 1360 M247, RO
34984 2254 358 610 TELLCOM-AS, TR
6849 2216 339 20 UKRTELNET, UA
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 10893 3340 593 Uninet S.A. de C.V., MX
10620 3466 507 852 Telmex Colombia S.A., CO
11830 2260 369 64 Instituto Costarricense de Electricidad
13999 2173 356 576 Mega Cable, S.A. de C.V., MX
28573 1343 2327 257 Claro NXT Telecomunicacoes Ltda, BR
6503 1294 339 522 Axtel, S.A.B. de C.V., MX
3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1153 370 22 Telefonica del Peru S.A.A., PE
11664 1135 184 472 Techtel LMDS Comunicaciones Interactiva
26615 991 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
24835 1550 537 31 RAYA-AS, EG
24863 1534 393 21 LINKdotNET-AS, EG
36992 1362 1520 269 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1013 67 40 ORANGE-COTE-IVOIRE, CI
36935 883 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 518 53 42 WANANCHI-, KE
37342 436 32 1 MOVITEL, MZ
2018 375 319 72 TENET-1, ZA
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 10893 3340 593 Uninet S.A. de C.V., MX
9808 9165 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7752 10639 2928 AMAZON-02, US
12479 6938 1706 146 UNI2-AS, ES
9121 6235 1692 17 TTNET, TR
7545 5933 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4883 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4548 301 567 CABLEONE, US
39891 4487 264 56 ALJAWWALSTC-AS, SA
20940 4072 3400 183 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9165 9115 CHINAMOBILE-CN China Mobile Communications Grou
12479 6938 6792 UNI2-AS, ES
9121 6235 6218 TTNET, TR
7545 5933 5241 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 7752 4824 AMAZON-02, US
4538 4883 4808 ERX-CERNET-BKB China Education and Research Net
39891 4487 4431 ALJAWWALSTC-AS, SA
11492 4548 3981 CABLEONE, US
20940 4072 3889 AKAMAI-ASN1, NL
7155 3894 3861 VIASAT-SP-BACKBONE, US
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
65000 PRIVATE 2.92.64.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh
65000 PRIVATE 2.92.80.0/20 8371 VIMPELCOM-NN Vimpelcom, Nizh
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
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
23.131.185.0/24 Origin: 174 COGENT-174, US
23.131.185.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.186.0/24 Origin: 174 COGENT-174, US
23.131.186.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.187.0/24 Origin: 174 COGENT-174, US
23.131.187.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP
23.131.188.0/24 Origin: 46450 PILOT, US
23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US
23.131.190.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
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 /14:1202 /15:2046 /16:13500 /17:8317 /18:13917
/19:25224 /20:44284 /21:52387 /22:110230 /23:98080 /24:546112
/25:809 /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 5981 6938 UNI2-AS, ES
9121 5403 6235 TTNET, TR
8151 4882 10893 Uninet S.A. de C.V., MX
39891 3542 4487 ALJAWWALSTC-AS, SA
11492 3455 4548 CABLEONE, US
6327 3328 3520 SHAW, CA
8551 3165 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 2983 3894 VIASAT-SP-BACKBONE, US
22773 2725 3700 ASN-CXA-ALL-CCI-22773-RDC, US
47331 2345 2717 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1655 2:1221 3:168 4:5 5:4067 6:110
7:5 8:1577 9:1 11:172 12:1609 13:373
14:2371 15:287 16:76 17:373 18:405 20:243
21:4 22:188 23:6022 24:2458 25:4 27:2697
29:19 31:2491 32:106 34:8 35:96 36:1816
37:4579 38:3925 39:819 40:144 41:3917 42:1085
43:2316 44:304 45:16426 46:4199 47:379 49:1720
50:1935 51:374 52:1527 54:395 55:823 56:8
57:80 58:1773 59:1157 60:1007 61:2431 62:2603
63:1949 64:5638 65:2328 66:4918 67:3028 68:1362
69:4144 70:1257 71:665 72:2997 74:2612 75:1464
76:598 77:2331 78:3966 79:2942 80:2046 81:1832
82:1489 83:1233 84:1515 85:3787 86:741 87:1924
88:2851 89:3493 90:579 91:7600 92:1974 93:2557
94:3515 95:4822 96:1316 97:344 98:1173 99:741
100:75 101:1056 102:2494 103:30615 104:4590 105:484
106:830 107:2545 108:919 109:4296 110:2055 111:3310
112:2031 113:1558 114:1610 115:2039 116:1901 117:2470
118:2291 119:1910 120:1727 121:1104 122:2581 123:2147
124:1577 125:2330 128:1288 129:981 130:968 131:2011
132:798 133:400 134:1901 135:295 136:885 137:917
138:2581 139:1503 140:1027 141:1483 142:1420 143:1446
144:1190 145:352 146:1895 147:1512 148:2282 149:1882
150:862 151:1149 152:1826 153:459 154:3812 155:1416
156:1625 157:1293 158:1043 159:2238 160:2580 161:1429
162:3536 163:1481 164:1685 165:1613 166:831 167:1734
168:3873 169:925 170:4577 171:875 172:3535 173:3058
174:1028 175:1147 176:3636 177:4765 178:3530 179:2144
180:2370 181:3360 182:3265 183:1933 184:2365 185:19989
186:4634 187:3933 188:4087 189:3452 190:9039 191:1453
192:11012 193:8800 194:7185 195:5085 196:2976 197:2338
198:6008 199:6095 200:7735 201:5861 202:10637 203:10042
204:4612 205:3508 206:3828 207:3403 208:4115 209:4829
210:4428 211:2496 212:4038 213:3554 214:1109 215:55
216:6600 217:2638 218:1268 219:576 220:2035 221:955
222:842 223:2018
End of report
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