[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Dec 30 18:03:16 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 31 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: 917924
Prefixes after maximum aggregation (per Origin AS): 347369
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 444630
Total ASes present in the Internet Routing Table: 74011
Prefixes per ASN: 12.40
Origin-only ASes present in the Internet Routing Table: 63510
Origin ASes announcing only one prefix: 26120
Transit ASes present in the Internet Routing Table: 10501
Transit-only ASes present in the Internet Routing Table: 420
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 997
Number of instances of unregistered ASNs: 1006
Number of 32-bit ASNs allocated by the RIRs: 40995
Number of 32-bit ASNs visible in the Routing Table: 33960
Prefixes from 32-bit ASNs in the Routing Table: 165418
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 512
Number of addresses announced to Internet: 3066193664
Equivalent to 182 /8s, 194 /16s and 103 /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: 311788
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 239940
Total APNIC prefixes after maximum aggregation: 68587
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 234774
Unique aggregates announced from the APNIC address blocks: 97577
APNIC Region origin ASes present in the Internet Routing Table: 13224
APNIC Prefixes per ASN: 17.75
APNIC Region origin ASes announcing only one prefix: 3863
APNIC Region transit ASes present in the Internet Routing Table: 1778
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8475
Number of APNIC addresses announced to Internet: 773781888
Equivalent to 46 /8s, 30 /16s and 249 /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: 267528
Total ARIN prefixes after maximum aggregation: 121759
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 269100
Unique aggregates announced from the ARIN address blocks: 129583
ARIN Region origin ASes present in the Internet Routing Table: 19047
ARIN Prefixes per ASN: 14.13
ARIN Region origin ASes announcing only one prefix: 6962
ARIN Region transit ASes present in the Internet Routing Table: 1953
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4704
Number of ARIN addresses announced to Internet: 1288419840
Equivalent to 76 /8s, 203 /16s and 186 /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: 263412
Total RIPE prefixes after maximum aggregation: 122160
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 260294
Unique aggregates announced from the RIPE address blocks: 156114
RIPE Region origin ASes present in the Internet Routing Table: 28210
RIPE Prefixes per ASN: 9.23
RIPE Region origin ASes announcing only one prefix: 12031
RIPE Region transit ASes present in the Internet Routing Table: 3971
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: 10958
Number of RIPE addresses announced to Internet: 719523712
Equivalent to 42 /8s, 227 /16s and 15 /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: 117498
Total LACNIC prefixes after maximum aggregation: 28422
LACNIC Deaggregation factor: 4.13
Prefixes being announced from the LACNIC address blocks: 116745
Unique aggregates announced from the LACNIC address blocks: 48956
LACNIC Region origin ASes present in the Internet Routing Table: 11010
LACNIC Prefixes per ASN: 10.60
LACNIC Region origin ASes announcing only one prefix: 2668
LACNIC Region transit ASes present in the Internet Routing Table: 2280
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: 8772
Number of LACNIC addresses announced to Internet: 176073984
Equivalent to 10 /8s, 126 /16s and 173 /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: 28549
Total AfriNIC prefixes after maximum aggregation: 5687
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 36499
Unique aggregates announced from the AfriNIC address blocks: 11987
AfriNIC Region origin ASes present in the Internet Routing Table: 1709
AfriNIC Prefixes per ASN: 21.36
AfriNIC Region origin ASes announcing only one prefix: 596
AfriNIC Region transit ASes present in the Internet Routing Table: 328
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1051
Number of AfriNIC addresses announced to Internet: 108099072
Equivalent to 6 /8s, 113 /16s and 118 /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 9229 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5946 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN
7713 3504 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3373 1874 95 VNPT-AS-VN VNPT Corp, VN
9498 2679 499 238 BBIL-AP BHARTI Airtel Ltd., IN
4766 2528 11251 593 KIXS-AS-KR Korea Telecom, KR
24560 2349 848 439 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 7755 10637 2930 AMAZON-02, US
11492 4546 301 565 CABLEONE, US
7155 3894 265 33 VIASAT-SP-BACKBONE, US
22773 3690 3062 320 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3520 1320 63 SHAW, CA
16625 3466 1796 2510 AKAMAI-AS, US
749 3025 50577 2292 DNIC-AS-00749, US
7018 2617 24133 1582 ATT-INTERNET4, US
396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US
30036 2563 368 393 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 6946 1706 146 UNI2-AS, ES
9121 6125 1692 17 TTNET, TR
39891 4560 269 57 ALJAWWALSTC-AS, SA
20940 4050 3400 183 AKAMAI-ASN1, NL
8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 908 ROSTELECOM-AS, RU
47331 2813 412 2121 TTNET, TR
9009 2637 251 1354 M247, RO
34984 2255 358 611 TELLCOM-AS, TR
6849 2195 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 10935 3340 592 Uninet S.A. de C.V., MX
10620 3466 507 852 Telmex Colombia S.A., CO
11830 2257 369 64 Instituto Costarricense de Electricidad
13999 2197 360 590 Mega Cable, S.A. de C.V., MX
28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR
6503 1295 339 517 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 1133 186 466 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 1538 535 31 RAYA-AS, EG
24863 1469 393 21 LINKdotNET-AS, EG
36992 1319 1517 275 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1014 67 40 ORANGE-COTE-IVOIRE, CI
36935 882 520 42 Vodafone-, EG
6713 611 1861 34 IAM-AS, MA
15399 519 53 42 WANANCHI-, KE
37342 494 32 1 MOVITEL, MZ
2018 373 319 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 10935 3340 592 Uninet S.A. de C.V., MX
9808 9229 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7755 10637 2930 AMAZON-02, US
12479 6946 1706 146 UNI2-AS, ES
9121 6125 1692 17 TTNET, TR
7545 5946 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4861 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4560 269 57 ALJAWWALSTC-AS, SA
11492 4546 301 565 CABLEONE, US
20940 4050 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 9229 9179 CHINAMOBILE-CN China Mobile Communications Grou
12479 6946 6800 UNI2-AS, ES
9121 6125 6108 TTNET, TR
7545 5946 5244 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 7755 4825 AMAZON-02, US
4538 4861 4786 ERX-CERNET-BKB China Education and Research Net
39891 4560 4503 ALJAWWALSTC-AS, SA
11492 4546 3981 CABLEONE, US
20940 4050 3867 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
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
23.131.185.0/24 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
23.136.112.0/24 Origin: 54835 UNASSIGNED
23.136.112.0/24 Transit: 21559 OSNET, PR
23.139.232.0/24 Origin: 211619 MAXKO, HR
23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov
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 /11:101 /12:296
/13:587 /14:1204 /15:2045 /16:13501 /17:8319 /18:13928
/19:25196 /20:44286 /21:52346 /22:110184 /23:98152 /24:546899
/25:812 /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 5993 6946 UNI2-AS, ES
9121 5300 6125 TTNET, TR
8151 4922 10935 Uninet S.A. de C.V., MX
39891 3551 4560 ALJAWWALSTC-AS, SA
11492 3453 4546 CABLEONE, US
6327 3328 3520 SHAW, CA
8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 2983 3894 VIASAT-SP-BACKBONE, US
22773 2724 3690 ASN-CXA-ALL-CCI-22773-RDC, US
47331 2434 2813 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1636 2:1234 3:168 4:5 5:4106 6:110
7:5 8:1574 9:1 11:172 12:1592 13:372
14:2369 15:282 16:76 17:371 18:410 20:243
21:4 22:188 23:6016 24:2459 25:4 27:2711
29:19 31:2495 32:101 34:8 35:95 36:1825
37:4593 38:3994 39:819 40:144 41:3915 42:1056
43:2320 44:306 45:16461 46:4243 47:381 49:1723
50:1931 51:374 52:1542 54:396 55:826 56:8
57:80 58:1750 59:1159 60:1005 61:2433 62:2600
63:1932 64:5641 65:2327 66:4899 67:3042 68:1362
69:4137 70:1256 71:656 72:2994 74:2594 75:1465
76:597 77:2356 78:3964 79:2945 80:2060 81:1838
82:1484 83:1233 84:1520 85:3748 86:742 87:1924
88:2870 89:3537 90:587 91:7631 92:1980 93:2572
94:3513 95:4846 96:1315 97:344 98:1174 99:741
100:75 101:1061 102:2505 103:30728 104:4607 105:484
106:849 107:2546 108:914 109:4394 110:2046 111:3315
112:2029 113:1559 114:1609 115:2039 116:1892 117:2475
118:2287 119:1893 120:1743 121:1108 122:2583 123:2150
124:1577 125:2326 128:1290 129:1061 130:969 131:2004
132:804 133:404 134:1895 135:298 136:885 137:915
138:2588 139:1503 140:1026 141:1486 142:1420 143:1441
144:1189 145:352 146:1889 147:1538 148:2284 149:1856
150:860 151:1137 152:1845 153:476 154:3864 155:1412
156:1641 157:1299 158:1045 159:2235 160:2572 161:1430
162:3545 163:1489 164:1618 165:1647 166:832 167:1736
168:3878 169:921 170:4569 171:888 172:3506 173:3061
174:1025 175:1145 176:3641 177:4777 178:3524 179:2153
180:2375 181:3384 182:3275 183:1931 184:2368 185:19977
186:4634 187:3919 188:4116 189:3441 190:9029 191:1465
192:10966 193:8837 194:7197 195:5090 196:2966 197:2405
198:5995 199:6102 200:7711 201:5874 202:10654 203:10034
204:4602 205:3511 206:3846 207:3406 208:4117 209:4834
210:4430 211:2495 212:4092 213:3548 214:1100 215:55
216:6594 217:2640 218:1271 219:576 220:2033 221:960
222:843 223:2003
End of report
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