[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 9 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 09 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: 261890
Prefixes after maximum aggregation (per Origin AS): 115074
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 135140
Number of IPv4 prefixes with a valid ROA: 117584
Number of IPv4 prefixes with an invalid ROA: 44
Number of IPv4 prefixes with no ROA: 144262
Total ASes present in the Internet Routing Table: 19664
Prefixes per ASN: 13.32
Origin-only ASes present in the Internet Routing Table: 17011
Origin ASes announcing only one prefix: 7740
Transit ASes present in the Internet Routing Table: 2653
Transit-only ASes present in the Internet Routing Table: 705
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: 308
Number of instances of unregistered ASNs: 312
Number of 32-bit ASNs allocated by the RIRs: 46373
Number of 32-bit ASNs visible in the Routing Table: 7359
Prefixes from 32-bit ASNs in the Routing Table: 27423
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: 134
Number of addresses announced to Internet: 1547642077
Equivalent to 92 /8s, 63 /16s and 36 /24s
Percentage of available address space announced: 41.8
Percentage of allocated address space announced: 41.8
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: 82389
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32653
Total APNIC prefixes after maximum aggregation: 7624
APNIC Deaggregation factor: 4.28
Prefixes being announced from the APNIC address blocks: 31105
Unique aggregates announced from the APNIC address blocks: 8020
APNIC Region origin ASes present in the Internet Routing Table: 1225
APNIC Prefixes per ASN: 25.39
APNIC Region origin ASes announcing only one prefix: 480
APNIC Region transit ASes present in the Internet Routing Table: 201
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 556
Number of APNIC addresses announced to Internet: 167621740
Equivalent to 9 /8s, 253 /16s and 180 /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: 125615
Total ARIN prefixes after maximum aggregation: 65242
ARIN Deaggregation factor: 1.93
Prefixes being announced from the ARIN address blocks: 122515
Unique aggregates announced from the ARIN address blocks: 65892
ARIN Region origin ASes present in the Internet Routing Table: 9354
ARIN Prefixes per ASN: 13.10
ARIN Region origin ASes announcing only one prefix: 3903
ARIN Region transit ASes present in the Internet Routing Table: 870
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2187
Number of ARIN addresses announced to Internet: 960687585
Equivalent to 57 /8s, 66 /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: 48233
Total RIPE prefixes after maximum aggregation: 26081
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50035
Unique aggregates announced from the RIPE address blocks: 36391
RIPE Region origin ASes present in the Internet Routing Table: 4547
RIPE Prefixes per ASN: 11.00
RIPE Region origin ASes announcing only one prefix: 1931
RIPE Region transit ASes present in the Internet Routing Table: 688
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1851
Number of RIPE addresses announced to Internet: 281130576
Equivalent to 16 /8s, 193 /16s and 182 /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: 44617
Total LACNIC prefixes after maximum aggregation: 13608
LACNIC Deaggregation factor: 3.28
Prefixes being announced from the LACNIC address blocks: 43766
Unique aggregates announced from the LACNIC address blocks: 20276
LACNIC Region origin ASes present in the Internet Routing Table: 3446
LACNIC Prefixes per ASN: 12.70
LACNIC Region origin ASes announcing only one prefix: 1319
LACNIC Region transit ASes present in the Internet Routing Table: 695
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2623
Number of LACNIC addresses announced to Internet: 96821568
Equivalent to 5 /8s, 197 /16s and 97 /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: 10464
Total AfriNIC prefixes after maximum aggregation: 2313
AfriNIC Deaggregation factor: 4.52
Prefixes being announced from the AfriNIC address blocks: 14335
Unique aggregates announced from the AfriNIC address blocks: 4444
AfriNIC Region origin ASes present in the Internet Routing Table: 265
AfriNIC Prefixes per ASN: 54.09
AfriNIC Region origin ASes announcing only one prefix: 107
AfriNIC Region transit ASes present in the Internet Routing Table: 76
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: 142
Number of AfriNIC addresses announced to Internet: 41329152
Equivalent to 2 /8s, 118 /16s and 162 /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 10610 8756 95 CHINAMOBILE-CN China Mobile Communication
56046 1701 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1570 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1486 192 53 CMNET-HUNAN-AP China Mobile communication
17561 869 55 414 LCS-AS-AP LARUS Limited, HK
24547 852 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 775 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 505 800 138 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 13306 40837 4723 AMAZON-02, US
22773 3343 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2710 206 1654 USDA-1, US
36352 2515 207 1119 AS-COLOCROSSING, US
367 2428 2905 1177 DNIC-ASBLK-00306-00371, US
7018 2098 22891 1551 ATT-INTERNET4, US
11776 1895 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1849 3728 488 CELLCO-PART, US
209 1664 4890 274 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 1203 94 984 AKAMAI-ASN1, NL
3257 994 2077 747 GTT-BACKBONE GTT, US
3215 894 4818 288 France Telecom - Orange, FR
25019 814 1301 130 SAUDINETSTC-AS, SA
34984 686 76 409 TELLCOM-AS, TR
8452 661 1842 17 TE-AS TE-AS, EG
8376 574 53 22 Jordan Data Communications, JO
212238 569 41 501 CDNEXT, GB
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 7472 2025 1009 UNINET, MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
10620 1930 286 1301 Telmex Colombia S.A., CO
3816 1337 784 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 644 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 1491 389 16 LINKdotNET-AS, EG
24835 1061 553 39 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 968 100 75 ORANGE-COTE-IVOIRE, CI
36935 720 142 185 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 550 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 410 192 301 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 13306 40837 4723 AMAZON-02, US
9808 10610 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 7472 2025 1009 UNINET, MX
22773 3343 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2710 206 1654 USDA-1, US
36352 2515 207 1119 AS-COLOCROSSING, US
367 2428 2905 1177 DNIC-ASBLK-00306-00371, US
7018 2098 22891 1551 ATT-INTERNET4, US
11830 1995 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 10610 10515 CHINAMOBILE-CN China Mobile Communications Grou
8151 7472 6463 UNINET, MX
22773 3343 3179 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1995 1931 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1895 1679 ATLANTICBB-JOHNSTOWN, US
56046 1701 1515 CMNET-JIANGSU-AP China Mobile communications co
56041 1570 1492 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1491 1475 LINKdotNET-AS, EG
56047 1486 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
23.152.48.0/24 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 /10:29 /11:41 /12:151
/13:206 /14:569 /15:1096 /16:7562 /17:3428 /18:4189
/19:7584 /20:12364 /21:15189 /22:27570 /23:27565 /24:154097
/25:63 /26:85 /27:36 /28:12 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3970 7472 UNINET, MX
22773 2496 3343 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2322 13306 AMAZON-02, US
11830 1696 1995 Instituto Costarricense de Electricidad y Telecom., CR
10620 1089 1930 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 995 2515 AS-COLOCROSSING, US
19901 974 1252 BRSPD-PUBLIC, US
209 964 1664 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1895 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:66 2:493 3:695 4:5 5:784 6:155
7:5 8:680 11:171 12:998 13:325 14:111
15:301 16:245 17:6 18:885 20:177 21:4
22:188 23:2578 24:646 27:21 29:19 31:468
32:9 33:1 34:10 35:134 36:1578 37:910
38:1936 39:553 40:62 41:925 42:213 43:196
44:34 45:3639 46:947 47:85 49:20 50:363
51:385 52:1388 54:303 55:1094 56:11 57:16
58:18 59:31 60:16 61:72 62:544 63:764
64:1990 65:1075 66:1609 67:961 68:404 69:1151
70:442 71:203 72:778 74:961 75:426 76:249
77:466 78:340 79:281 80:294 81:352 82:684
83:246 84:342 85:447 86:235 87:237 88:277
89:850 90:103 91:932 92:596 93:456 94:908
95:617 96:289 97:59 98:456 99:168 100:36
101:22 102:363 103:1241 104:1462 105:140 106:16
107:1504 108:561 109:374 110:34 111:1946 112:456
113:39 114:42 115:12 116:62 117:1045 118:73
119:131 120:1188 121:46 122:66 123:78 124:56
125:25 128:471 129:307 130:688 131:903 132:561
133:212 134:507 135:113 136:576 137:499 138:883
139:442 140:710 141:465 142:1026 143:664 144:433
145:135 146:679 147:491 148:869 149:786 150:384
151:634 152:482 153:129 154:1742 155:839 156:1413
157:380 158:549 159:686 160:826 161:670 162:952
163:356 164:713 165:766 166:780 167:632 168:1100
169:144 170:1590 171:122 172:1372 173:830 174:250
175:55 176:659 177:805 178:487 179:662 180:49
181:1745 182:30 183:892 184:452 185:3350 186:2008
187:1493 188:775 189:1778 190:4221 191:422 192:5155
193:1817 194:1199 195:931 196:695 197:1586 198:2733
199:4900 200:3549 201:3238 202:1005 203:744 204:2155
205:1937 206:1559 207:1509 208:1428 209:1933 210:308
211:432 212:938 213:834 214:984 215:42 216:2537
217:416 218:520 219:19 220:26 221:334 222:32
223:773
End of report
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