[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 21 20:16:27 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 21 May, 2025
IPv4 BGP Table (R&E) as seen at KREONet2.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/
Analysis Summary
----------------
BGP routing table entries examined: 265048
Prefixes after maximum aggregation (per Origin AS): 116367
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135955
Number of IPv4 prefixes with a valid ROA: 119480
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 145527
Total ASes present in the Internet Routing Table: 19984
Prefixes per ASN: 13.26
Origin-only ASes present in the Internet Routing Table: 17272
Origin ASes announcing only one prefix: 7833
Transit ASes present in the Internet Routing Table: 2712
Transit-only ASes present in the Internet Routing Table: 718
Paths with bogon ASNs present in the IPv4 Routing Table: 9
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 38
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 321
Number of instances of unregistered ASNs: 325
Number of 32-bit ASNs allocated by the RIRs: 46478
Number of 32-bit ASNs visible in the Routing Table: 7624
Prefixes from 32-bit ASNs in the Routing Table: 28399
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: 115
Number of addresses announced to Internet: 1559440861
Equivalent to 92 /8s, 243 /16s and 45 /24s
Percentage of available address space announced: 42.1
Percentage of allocated address space announced: 42.1
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: 83620
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32728
Total APNIC prefixes after maximum aggregation: 7570
APNIC Deaggregation factor: 4.32
Prefixes being announced from the APNIC address blocks: 31167
Unique aggregates announced from the APNIC address blocks: 7677
APNIC Region origin ASes present in the Internet Routing Table: 1220
APNIC Prefixes per ASN: 25.55
APNIC Region origin ASes announcing only one prefix: 477
APNIC Region transit ASes present in the Internet Routing Table: 202
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 562
Number of APNIC addresses announced to Internet: 167835500
Equivalent to 10 /8s, 0 /16s and 247 /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, 131072-155961
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: 125755
Total ARIN prefixes after maximum aggregation: 65869
ARIN Deaggregation factor: 1.91
Prefixes being announced from the ARIN address blocks: 122737
Unique aggregates announced from the ARIN address blocks: 66219
ARIN Region origin ASes present in the Internet Routing Table: 9353
ARIN Prefixes per ASN: 13.12
ARIN Region origin ASes announcing only one prefix: 3902
ARIN Region transit ASes present in the Internet Routing Table: 867
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2189
Number of ARIN addresses announced to Internet: 961080801
Equivalent to 57 /8s, 72 /16s and 237 /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, 393216-402332
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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 49717
Total RIPE prefixes after maximum aggregation: 26682
RIPE Deaggregation factor: 1.86
Prefixes being announced from the RIPE address blocks: 51397
Unique aggregates announced from the RIPE address blocks: 37344
RIPE Region origin ASes present in the Internet Routing Table: 4609
RIPE Prefixes per ASN: 11.15
RIPE Region origin ASes announcing only one prefix: 1955
RIPE Region transit ASes present in the Internet Routing Table: 691
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1891
Number of RIPE addresses announced to Internet: 285998160
Equivalent to 17 /8s, 11 /16s and 252 /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
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 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: 45455
Total LACNIC prefixes after maximum aggregation: 13661
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 44652
Unique aggregates announced from the LACNIC address blocks: 20367
LACNIC Region origin ASes present in the Internet Routing Table: 3663
LACNIC Prefixes per ASN: 12.19
LACNIC Region origin ASes announcing only one prefix: 1387
LACNIC Region transit ASes present in the Internet Routing Table: 743
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2828
Number of LACNIC addresses announced to Internet: 97531456
Equivalent to 5 /8s, 208 /16s and 54 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 11072
Total AfriNIC prefixes after maximum aggregation: 2370
AfriNIC Deaggregation factor: 4.67
Prefixes being announced from the AfriNIC address blocks: 14980
Unique aggregates announced from the AfriNIC address blocks: 4234
AfriNIC Region origin ASes present in the Internet Routing Table: 292
AfriNIC Prefixes per ASN: 51.30
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 80
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 154
Number of AfriNIC addresses announced to Internet: 46944256
Equivalent to 2 /8s, 204 /16s and 80 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 10907 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1837 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1586 715 80 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1485 192 53 CMNET-HUNAN-AP China Mobile communication
24547 864 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 843 53 394 LCS-AS-AP LARUS Limited, HK
24444 775 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 604 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 519 852 138 ALIBABA-CN-NET Alibaba US Technology Co.,
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13432 40825 5084 AMAZON-02, US
22773 3345 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2738 208 1677 USDA-1, US
36352 2565 210 1129 AS-COLOCROSSING, US
367 2444 2912 1174 DNIC-ASBLK-00306-00371, US
7018 2088 22887 1537 ATT-INTERNET4, US
11776 1896 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1866 3794 491 CELLCO-PART, US
209 1661 4889 271 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
39891 1936 130 50 ALJAWWALSTC-AS, SA
20940 1174 92 963 AKAMAI-ASN1, NL
3257 930 2076 747 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 818 1301 129 SAUDINETSTC-AS, SA
8452 779 1841 16 TE-AS TE-AS, EG
34984 688 76 410 TELLCOM-AS, TR
212238 621 44 547 CDNEXT, GB
203214 592 43 384 HULUMTELE, IQ
8376 569 53 21 Jordan Data Communications, JO
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 7444 2007 992 UNINET, MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
10620 1902 280 1293 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
26615 1029 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 552 2884 69 TELEFONICA BRASIL S.A, BR
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1495 389 16 LINKdotNET-AS, EG
24835 1023 523 36 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 980 100 74 ORANGE-COTE-IVOIRE, CI
36992 603 1228 124 ETISALAT-MISR, EG
36935 588 125 165 Vodafone-, EG
36914 543 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 457 205 331 MT-MPLS, MA
2018 373 318 69 TENET-1, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13432 40825 5084 AMAZON-02, US
9808 10907 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7444 2007 992 UNINET, MX
22773 3345 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2738 208 1677 USDA-1, US
36352 2565 210 1129 AS-COLOCROSSING, US
367 2444 2912 1174 DNIC-ASBLK-00306-00371, US
7018 2088 22887 1537 ATT-INTERNET4, US
11830 1996 369 64 Instituto Costarricense de Electricidad y
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 10907 10812 CHINAMOBILE-CN China Mobile Communications Grou
8151 7444 6452 UNINET, MX
22773 3345 3181 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1996 1932 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1896 1680 ATLANTICBB-JOHNSTOWN, US
56046 1837 1651 CMNET-JIANGSU-AP China Mobile communications co
56041 1586 1506 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1495 1479 LINKdotNET-AS, EG
36352 2565 1436 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US
22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US
399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US
13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US
396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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://bgp.nsrc.org/REN/KREONet2/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, US
41.204.224.0/24 Origin: 36911 RESERVED, ZZ
41.204.224.0/24 Transit: 328766 RESERVED, ZZ
Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:13 /9:10 /10:30 /11:41 /12:150
/13:209 /14:574 /15:1101 /16:7640 /17:3453 /18:4236
/19:7666 /20:12481 /21:15327 /22:27691 /23:28069 /24:156134
/25:62 /26:81 /27:35 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3985 7444 UNINET, MX
22773 2499 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2319 13432 AMAZON-02, US
11830 1697 1996 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1044 2565 AS-COLOCROSSING, US
19901 980 1269 BRSPD-PUBLIC, US
209 964 1661 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1896 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:19 2:475 3:765 4:5 5:799 6:156
7:5 8:677 11:171 12:995 13:374 14:113
15:301 16:246 17:6 18:886 20:181 21:4
22:188 23:2586 24:641 27:23 29:19 31:525
32:9 33:1 34:10 35:136 36:1772 37:979
38:1888 39:554 40:62 41:982 42:21 43:211
44:37 45:3694 46:968 47:92 49:20 50:373
51:386 52:1390 54:309 55:1097 56:11 57:18
58:17 59:31 60:16 61:76 62:542 63:751
64:1923 65:1093 66:1542 67:966 68:398 69:1109
70:415 71:202 72:730 74:939 75:325 76:249
77:476 78:353 79:234 80:311 81:385 82:723
83:232 84:335 85:429 86:231 87:206 88:291
89:865 90:104 91:933 92:620 93:482 94:942
95:687 96:289 97:60 98:459 99:179 100:35
101:18 102:350 103:1238 104:1624 105:218 106:18
107:1525 108:548 109:400 110:35 111:1966 112:478
113:40 114:40 115:23 116:62 117:1047 118:61
119:132 120:1241 121:44 122:66 123:76 124:57
125:25 128:493 129:434 130:694 131:922 132:562
133:211 134:495 135:113 136:610 137:506 138:860
139:425 140:699 141:457 142:1022 143:679 144:435
145:135 146:675 147:491 148:885 149:766 150:357
151:647 152:479 153:129 154:1792 155:860 156:1415
157:371 158:551 159:738 160:818 161:669 162:984
163:430 164:717 165:774 166:784 167:635 168:1117
169:154 170:1562 171:120 172:1372 173:853 174:252
175:65 176:787 177:849 178:507 179:707 180:49
181:1843 182:29 183:956 184:448 185:3508 186:2048
187:1553 188:827 189:1790 190:4232 191:446 192:5143
193:1886 194:1243 195:934 196:723 197:1581 198:2729
199:4915 200:3607 201:3300 202:1012 203:744 204:2147
205:1935 206:1540 207:1512 208:1427 209:1960 210:297
211:436 212:1036 213:785 214:980 215:42 216:2549
217:426 218:525 219:19 220:29 221:349 222:31
223:802
End of report
More information about the ren-bgp-stats-all
mailing list