[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 27 20:16:40 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 27 Jun, 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: 273375
Prefixes after maximum aggregation (per Origin AS): 119459
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141631
Number of IPv4 prefixes with a valid ROA: 126017
Number of IPv4 prefixes with an invalid ROA: 42
Number of IPv4 prefixes with no ROA: 147316
Total ASes present in the Internet Routing Table: 20706
Prefixes per ASN: 13.20
Origin-only ASes present in the Internet Routing Table: 17851
Origin ASes announcing only one prefix: 7996
Transit ASes present in the Internet Routing Table: 2855
Transit-only ASes present in the Internet Routing Table: 725
Paths with bogon ASNs present in the IPv4 Routing Table: 13
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 30
Max AS path prepend of ASN (265171) 25
Prefixes from unregistered ASNs in the Routing Table: 378
Number of instances of unregistered ASNs: 410
Number of 32-bit ASNs allocated by the RIRs: 46662
Number of 32-bit ASNs visible in the Routing Table: 8230
Prefixes from 32-bit ASNs in the Routing Table: 32680
Number of bogon 32-bit ASNs visible in the Routing Table: 74
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 109
Number of addresses announced to Internet: 1565719045
Equivalent to 93 /8s, 82 /16s and 250 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 87173
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33496
Total APNIC prefixes after maximum aggregation: 7474
APNIC Deaggregation factor: 4.48
Prefixes being announced from the APNIC address blocks: 31990
Unique aggregates announced from the APNIC address blocks: 7670
APNIC Region origin ASes present in the Internet Routing Table: 1206
APNIC Prefixes per ASN: 26.53
APNIC Region origin ASes announcing only one prefix: 469
APNIC Region transit ASes present in the Internet Routing Table: 192
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: 570
Number of APNIC addresses announced to Internet: 165167724
Equivalent to 9 /8s, 216 /16s and 66 /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: 125514
Total ARIN prefixes after maximum aggregation: 66247
ARIN Deaggregation factor: 1.89
Prefixes being announced from the ARIN address blocks: 123569
Unique aggregates announced from the ARIN address blocks: 67241
ARIN Region origin ASes present in the Internet Routing Table: 9324
ARIN Prefixes per ASN: 13.25
ARIN Region origin ASes announcing only one prefix: 3877
ARIN Region transit ASes present in the Internet Routing Table: 880
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: 2201
Number of ARIN addresses announced to Internet: 961688329
Equivalent to 57 /8s, 82 /16s and 51 /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: 50348
Total RIPE prefixes after maximum aggregation: 27270
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 52158
Unique aggregates announced from the RIPE address blocks: 38166
RIPE Region origin ASes present in the Internet Routing Table: 4687
RIPE Prefixes per ASN: 11.13
RIPE Region origin ASes announcing only one prefix: 1962
RIPE Region transit ASes present in the Internet Routing Table: 701
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1941
Number of RIPE addresses announced to Internet: 286342480
Equivalent to 17 /8s, 17 /16s and 61 /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: 53103
Total LACNIC prefixes after maximum aggregation: 15965
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 51550
Unique aggregates announced from the LACNIC address blocks: 23551
LACNIC Region origin ASes present in the Internet Routing Table: 4340
LACNIC Prefixes per ASN: 11.88
LACNIC Region origin ASes announcing only one prefix: 1578
LACNIC Region transit ASes present in the Internet Routing Table: 862
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: 3362
Number of LACNIC addresses announced to Internet: 106198848
Equivalent to 6 /8s, 84 /16s and 119 /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: 10536
Total AfriNIC prefixes after maximum aggregation: 2237
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 13999
Unique aggregates announced from the AfriNIC address blocks: 4895
AfriNIC Region origin ASes present in the Internet Routing Table: 291
AfriNIC Prefixes per ASN: 48.11
AfriNIC Region origin ASes announcing only one prefix: 110
AfriNIC Region transit ASes present in the Internet Routing Table: 75
Average AfriNIC Region AS path length visible: 6.4
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 156
Number of AfriNIC addresses announced to Internet: 46209792
Equivalent to 2 /8s, 193 /16s and 27 /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 11227 8759 113 CHINAMOBILE-CN China Mobile Communication
56046 2227 811 188 CMNET-JIANGSU-AP China Mobile communicati
56041 1669 718 90 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 50 CMNET-HUNAN-AP China Mobile communication
24547 871 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 776 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 611 2169 463 SINET-AS Research Organization of Informa
17561 594 38 229 LCS-AS-AP LARUS Limited, HK
45102 537 887 138 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 524 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 13580 40953 5203 AMAZON-02, US
22773 3348 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
4155 2830 215 1716 USDA-1, US
36352 2569 210 1136 AS-COLOCROSSING, US
367 2426 3162 1157 DNIC-ASBLK-00306-00371, US
6167 1913 3951 513 CELLCO-PART, US
11776 1901 259 214 ATLANTICBB-JOHNSTOWN, US
7018 1861 22863 1394 ATT-INTERNET4, US
209 1658 4889 270 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 1192 92 969 AKAMAI-ASN1, NL
3257 1042 2082 805 GTT-BACKBONE GTT, US
3215 887 4818 291 France Telecom - Orange, FR
25019 817 1301 129 SAUDINETSTC-AS, SA
8452 788 1841 16 TE-AS TE-AS, EG
34984 678 74 414 TELLCOM-AS, TR
212238 661 48 585 CDNEXT, GB
8376 575 53 24 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
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 7148 1924 910 UNINET, MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
10620 1710 248 1230 Telmex Colombia S.A., CO
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
26615 1053 2487 55 TIM SA, BR
18881 878 1127 31 TELEFONICA BRASIL S.A, BR
11172 721 124 70 Alestra, S. de R.L. de C.V., MX
22884 657 42 415 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
28006 648 77 298 CORPORACION NACIONAL DE TELECOMUNICACIONE
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 1447 389 16 LINKdotNET-AS, EG
24835 1061 475 106 RAYA-AS, EG
29571 1052 100 72 ORANGE-COTE-IVOIRE, CI
36935 617 520 50 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36992 552 1192 125 ETISALAT-MISR, EG
36903 456 204 330 MT-MPLS, MA
37069 451 1046 15 MOBINIL, EG
2018 375 318 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 13580 40953 5203 AMAZON-02, US
9808 11227 8759 113 CHINAMOBILE-CN China Mobile Communication
8151 7148 1924 910 UNINET, MX
22773 3348 3016 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
4155 2830 215 1716 USDA-1, US
36352 2569 210 1136 AS-COLOCROSSING, US
367 2426 3162 1157 DNIC-ASBLK-00306-00371, US
56046 2227 811 188 CMNET-JIANGSU-AP China Mobile communicati
11830 1987 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 11227 11114 CHINAMOBILE-CN China Mobile Communications Grou
8151 7148 6238 UNINET, MX
22773 3348 3184 ASN-CXA-ALL-CCI-22773-RDC, US
56046 2227 2039 CMNET-JIANGSU-AP China Mobile communications co
11830 1987 1923 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1901 1687 ATLANTICBB-JOHNSTOWN, US
56041 1669 1579 CMNET-ZHEJIANG-AP China Mobile communications c
36352 2569 1433 AS-COLOCROSSING, US
56047 1483 1433 CMNET-HUNAN-AP China Mobile communications corp
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /11:42 /12:150
/13:209 /14:576 /15:1100 /16:7598 /17:3469 /18:4252
/19:7687 /20:12719 /21:15579 /22:28303 /23:28830 /24:162582
/25:64 /26:81 /27:35 /28:13 /29:17 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3874 7148 UNINET, MX
22773 2502 3348 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 13580 AMAZON-02, US
11830 1691 1987 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1031 2569 AS-COLOCROSSING, US
19901 1012 1316 BRSPD-PUBLIC, US
10620 992 1710 Telmex Colombia S.A., CO
209 963 1658 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1901 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:18 2:452 3:816 4:5 5:802 6:148
7:5 8:657 11:171 12:967 13:385 14:114
15:308 16:247 17:4 18:889 20:188 21:4
22:188 23:2627 24:568 27:23 29:19 31:538
32:18 33:1 34:10 35:180 36:1979 37:854
38:2448 39:550 40:68 41:972 42:21 43:231
44:28 45:4233 46:987 47:96 49:21 50:360
51:387 52:1385 54:318 55:1104 56:11 57:22
58:16 59:38 60:32 61:84 62:551 63:748
64:1914 65:1097 66:1586 67:1072 68:374 69:1187
70:448 71:194 72:656 74:936 75:318 76:240
77:513 78:398 79:252 80:294 81:369 82:714
83:208 84:341 85:499 86:249 87:216 88:304
89:727 90:105 91:960 92:654 93:489 94:927
95:684 96:288 97:59 98:504 99:181 100:42
101:19 102:351 103:1269 104:1690 105:213 106:41
107:1561 108:555 109:445 110:40 111:1927 112:540
113:36 114:58 115:28 116:52 117:1051 118:66
119:84 120:1384 121:51 122:77 123:128 124:62
125:25 128:514 129:398 130:676 131:1027 132:569
133:213 134:461 135:128 136:605 137:511 138:956
139:425 140:709 141:362 142:1029 143:777 144:430
145:127 146:697 147:511 148:1009 149:788 150:205
151:767 152:625 153:142 154:1410 155:867 156:1199
157:401 158:552 159:746 160:830 161:646 162:1056
163:428 164:723 165:568 166:807 167:687 168:1483
169:161 170:1672 171:112 172:1350 173:806 174:362
175:78 176:780 177:1118 178:608 179:817 180:41
181:2098 182:27 183:1027 184:460 185:3657 186:2514
187:1755 188:847 189:1972 190:5311 191:480 192:5231
193:1914 194:1249 195:934 196:698 197:1157 198:2745
199:4978 200:4450 201:3682 202:944 203:722 204:2195
205:1786 206:1570 207:1571 208:1500 209:1982 210:331
211:443 212:1005 213:770 214:923 215:34 216:2582
217:447 218:546 219:19 220:34 221:406 222:24
223:945
End of report
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