IPv4 Routing Table Report 08:00 +10GMT Tue 29 Mar, 2022
BGP Table (Global) as seen in London.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 877961
Prefixes after maximum aggregation (per Origin AS): 333903
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 428228
Number of IPv4 prefixes with a valid ROA: 310969
Number of IPv4 prefixes with an invalid ROA: 1209
Number of IPv4 prefixes with no ROA: 565783
Total ASes present in the Internet Routing Table: 72699
Prefixes per ASN: 12.08
Origin-only ASes present in the Internet Routing Table: 62383
Origin ASes announcing only one prefix: 25658
Transit ASes present in the Internet Routing Table: 10316
Transit-only ASes present in the Internet Routing Table: 382
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 65
Max AS path prepend of ASN (267602) 58
Prefixes from unregistered ASNs in the Routing Table: 850
Number of instances of unregistered ASNs: 855
Number of 32-bit ASNs allocated by the RIRs: 38917
Number of 32-bit ASNs visible in the Routing Table: 32306
Prefixes from 32-bit ASNs in the Routing Table: 151547
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 456
Number of addresses announced to Internet: 3067226880
Equivalent to 182 /8s, 210 /16s and 43 /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: 99.5
Total number of prefixes smaller than registry allocations: 294271
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 228119
Total APNIC prefixes after maximum aggregation: 65617
APNIC Deaggregation factor: 3.48
Prefixes being announced from the APNIC address blocks: 223160
Unique aggregates announced from the APNIC address blocks: 93954
APNIC Region origin ASes present in the Internet Routing Table: 12401
APNIC Prefixes per ASN: 18.00
APNIC Region origin ASes announcing only one prefix: 3520
APNIC Region transit ASes present in the Internet Routing Table: 1698
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7663
Number of APNIC addresses announced to Internet: 773222400
Equivalent to 46 /8s, 22 /16s and 112 /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: 259457
Total ARIN prefixes after maximum aggregation: 119197
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 259419
Unique aggregates announced from the ARIN address blocks: 123938
ARIN Region origin ASes present in the Internet Routing Table: 18919
ARIN Prefixes per ASN: 13.71
ARIN Region origin ASes announcing only one prefix: 6902
ARIN Region transit ASes present in the Internet Routing Table: 1890
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4399
Number of ARIN addresses announced to Internet: 1295633408
Equivalent to 77 /8s, 57 /16s and 204 /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: 247746
Total RIPE prefixes after maximum aggregation: 115692
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 245075
Unique aggregates announced from the RIPE address blocks: 150196
RIPE Region origin ASes present in the Internet Routing Table: 28081
RIPE Prefixes per ASN: 8.73
RIPE Region origin ASes announcing only one prefix: 12038
RIPE Region transit ASes present in the Internet Routing Table: 4014
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10659
Number of RIPE addresses announced to Internet: 714151424
Equivalent to 42 /8s, 145 /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: 114142
Total LACNIC prefixes after maximum aggregation: 27334
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 114112
Unique aggregates announced from the LACNIC address blocks: 48204
LACNIC Region origin ASes present in the Internet Routing Table: 10940
LACNIC Prefixes per ASN: 10.43
LACNIC Region origin ASes announcing only one prefix: 2639
LACNIC Region transit ASes present in the Internet Routing Table: 2214
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 65
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8640
Number of LACNIC addresses announced to Internet: 176282368
Equivalent to 10 /8s, 129 /16s and 219 /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: 27647
Total AfriNIC prefixes after maximum aggregation: 5429
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 35739
Unique aggregates announced from the AfriNIC address blocks: 11549
AfriNIC Region origin ASes present in the Internet Routing Table: 1612
AfriNIC Prefixes per ASN: 22.17
AfriNIC Region origin ASes announcing only one prefix: 559
AfriNIC Region transit ASes present in the Internet Routing Table: 327
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 35
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 945
Number of AfriNIC addresses announced to Internet: 107678976
Equivalent to 6 /8s, 107 /16s and 13 /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 9136 8883 41 CHINAMOBILE-CN China Mobile Communicati
7545 5901 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU
7552 3621 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3497 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3434 1880 56 VNPT-AS-VN VNPT Corp, VN
9498 2390 491 238 BBIL-AP BHARTI Airtel Ltd., IN
4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR
4755 2112 429 195 TATACOMM-AS TATA Communications formerl
45090 2104 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2046 855 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
Complete listing at https://thyme.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6182 10249 2658 AMAZON-02, US
11492 4454 295 712 CABLEONE, US
22773 3942 3060 365 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3895 263 26 VIASAT-SP-BACKBONE, US
16625 3651 1881 2565 AKAMAI-AS, US
6327 3417 1318 61 SHAW, CA
749 2882 50780 2138 DNIC-AS-00749, US
30036 2610 373 168 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2525 4962 426 CENTURYLINK-US-LEGACY-QWEST, US
20115 2255 3042 495 CHARTER-20115, US
Complete listing at https://thyme.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6826 1730 149 UNI2-AS, ES
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3909 3360 191 AKAMAI-ASN1, NL
39891 3819 220 34 ALJAWWALSTC-AS, SA
12389 2908 2274 908 ROSTELECOM-AS, RU
9009 2467 248 1289 M247, GB
34984 2198 355 621 TELLCOM-AS, TR
6849 2079 355 21 UKRTELNET, UA
58224 1801 931 595 TCI, IR
13188 1607 100 27 TRIOLAN, UA
Complete listing at https://thyme.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10489 3405 555 Uninet S.A. de C.V., MX
10620 3474 519 716 Telmex Colombia S.A., CO
11830 2430 369 62 Instituto Costarricense de Electricidad
13999 1725 293 473 Mega Cable, S.A. de C.V., MX
6503 1446 354 524 Axtel, S.A.B. de C.V., MX
28573 1385 2332 253 CLARO S.A., BR
3816 1253 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1086 369 21 Telefonica del Peru S.A.A., PE
11664 1008 192 449 Techtel LMDS Comunicaciones Interactiva
11172 956 133 63 Alestra, S. de R.L. de C.V., MX
Complete listing at https://thyme.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1585 393 21 LINKdotNET-AS, EG
24835 1518 515 32 RAYA-AS, EG
36992 1300 1518 261 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 912 64 63 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
36935 562 520 43 Vodafone-, EG
15399 514 51 34 WANANCHI-, KE
37342 469 32 1 MOVITEL, MZ
23889 421 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10489 3405 555 Uninet S.A. de C.V., MX
9808 9136 8883 41 CHINAMOBILE-CN China Mobile Communicati
12479 6826 1730 149 UNI2-AS, ES
16509 6182 10249 2658 AMAZON-02, US
7545 5901 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4454 295 712 CABLEONE, US
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
22773 3942 3060 365 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3909 3360 191 AKAMAI-ASN1, NL
7155 3895 263 26 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/london/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9136 9095 CHINAMOBILE-CN China Mobile Communications Grou
12479 6826 6677 UNI2-AS, ES
7545 5901 5206 TPG-INTERNET-AP TPG Telecom Limited, AU
8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3895 3869 VIASAT-SP-BACKBONE, US
39891 3819 3785 ALJAWWALSTC-AS, SA
11492 4454 3742 CABLEONE, US
20940 3909 3718 AKAMAI-ASN1, NL
7552 3621 3602 VIETEL-AS-AP Viettel Group, VN
22773 3942 3577 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at https://thyme.apnic.net/london/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
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US
32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/london/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
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
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.apnic.net/london/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 /12:303
/13:586 /14:1196 /15:2089 /16:13524 /17:8249 /18:13724
/19:24809 /20:42195 /21:50769 /22:106946 /23:93800 /24:519595
/25:0 /26:1 /27:0 /28:0 /29:1 /30:4
/31:0 /32:2
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 5807 6826 UNI2-AS, ES
8151 4146 10489 Uninet S.A. de C.V., MX
8551 3475 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3364 4454 CABLEONE, US
6327 3230 3417 SHAW, CA
39891 3131 3819 ALJAWWALSTC-AS, SA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2937 3942 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2265 2610 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 1964 3474 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1907 2:1045 3:154 4:7 5:3781 6:112
7:5 8:1524 11:172 12:1712 13:285 14:2377
15:185 16:43 17:380 18:145 20:194 21:4
22:188 23:5544 24:2273 25:4 27:2605 29:19
31:2421 32:93 34:1 35:66 36:1774 37:4150
38:2686 39:710 40:150 41:3932 42:1090 43:2147
44:289 45:16065 46:4028 47:318 49:1648 50:1925
51:107 52:1406 53:1 54:362 55:806 56:8
57:60 58:1700 59:1110 60:955 61:2260 62:2463
63:1938 64:5502 65:2302 66:4810 67:2973 68:1180
69:4146 70:1344 71:658 72:3051 74:2660 75:1388
76:589 77:2131 78:1837 79:3105 80:1973 81:1557
82:1469 83:1206 84:1334 85:2886 86:713 87:1968
88:1058 89:3237 90:522 91:7592 92:1945 93:2600
94:3410 95:3744 96:1305 97:347 98:993 99:866
100:75 101:1276 102:2007 103:28616 104:4300 105:464
106:853 107:2499 108:795 109:4219 110:2052 111:3243
112:2003 113:1457 114:1476 115:1949 116:1875 117:2519
118:2329 119:1886 120:1654 121:1010 122:2514 123:2091
124:1554 125:2046 128:1143 129:1204 130:902 131:2074
132:783 133:373 134:1922 135:290 136:877 137:871
138:2416 139:1495 140:1109 141:1367 142:1273 143:1488
144:1240 145:344 146:1771 147:1452 148:2206 149:1694
150:850 151:1081 152:1825 153:458 154:3490 155:1428
156:1791 157:1233 158:1029 159:2084 160:2433 161:1318
162:3456 163:1229 164:1656 165:1622 166:680 167:1746
168:3727 169:697 170:4427 171:815 172:3069 173:3063
174:1020 175:1143 176:3488 177:4571 178:3317 179:2001
180:2319 181:2933 182:3199 183:1950 184:2383 185:19437
186:4355 187:3640 188:3859 189:3097 190:8897 191:1298
192:11005 193:8546 194:6941 195:4948 196:2959 197:2380
198:5961 199:6002 200:7460 201:5636 202:10193 203:9954
204:4540 205:3372 206:3679 207:3339 208:4024 209:4627
210:4041 211:2337 212:3960 213:3388 214:1162 215:67
216:6419 217:2647 218:1236 219:433 220:1677 221:978
222:675 223:2104
End of report