[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 20 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 20 Mar, 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: 269596
Prefixes after maximum aggregation (per Origin AS): 117595
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 141228
Number of IPv4 prefixes with a valid ROA: 122215
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 147359
Total ASes present in the Internet Routing Table: 20763
Prefixes per ASN: 12.98
Origin-only ASes present in the Internet Routing Table: 17838
Origin ASes announcing only one prefix: 7952
Transit ASes present in the Internet Routing Table: 2925
Transit-only ASes present in the Internet Routing Table: 753
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: 290
Number of instances of unregistered ASNs: 291
Number of 32-bit ASNs allocated by the RIRs: 46115
Number of 32-bit ASNs visible in the Routing Table: 8190
Prefixes from 32-bit ASNs in the Routing Table: 31625
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: 127
Number of addresses announced to Internet: 1567024733
Equivalent to 93 /8s, 102 /16s and 230 /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: 86704
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32150
Total APNIC prefixes after maximum aggregation: 7665
APNIC Deaggregation factor: 4.19
Prefixes being announced from the APNIC address blocks: 30881
Unique aggregates announced from the APNIC address blocks: 8233
APNIC Region origin ASes present in the Internet Routing Table: 1218
APNIC Prefixes per ASN: 25.35
APNIC Region origin ASes announcing only one prefix: 484
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 554
Number of APNIC addresses announced to Internet: 169378668
Equivalent to 10 /8s, 24 /16s and 131 /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: 125700
Total ARIN prefixes after maximum aggregation: 64661
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123374
Unique aggregates announced from the ARIN address blocks: 66559
ARIN Region origin ASes present in the Internet Routing Table: 9342
ARIN Prefixes per ASN: 13.21
ARIN Region origin ASes announcing only one prefix: 3885
ARIN Region transit ASes present in the Internet Routing Table: 874
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: 2160
Number of ARIN addresses announced to Internet: 964862689
Equivalent to 57 /8s, 130 /16s and 162 /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: 49682
Total RIPE prefixes after maximum aggregation: 27200
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 51371
Unique aggregates announced from the RIPE address blocks: 38006
RIPE Region origin ASes present in the Internet Routing Table: 4731
RIPE Prefixes per ASN: 10.86
RIPE Region origin ASes announcing only one prefix: 1972
RIPE Region transit ASes present in the Internet Routing Table: 710
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1929
Number of RIPE addresses announced to Internet: 288825808
Equivalent to 17 /8s, 55 /16s and 33 /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: 51481
Total LACNIC prefixes after maximum aggregation: 15666
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 50093
Unique aggregates announced from the LACNIC address blocks: 24114
LACNIC Region origin ASes present in the Internet Routing Table: 4322
LACNIC Prefixes per ASN: 11.59
LACNIC Region origin ASes announcing only one prefix: 1503
LACNIC Region transit ASes present in the Internet Routing Table: 889
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3400
Number of LACNIC addresses announced to Internet: 100776512
Equivalent to 6 /8s, 1 /16s and 186 /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: 10293
Total AfriNIC prefixes after maximum aggregation: 2188
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 13750
Unique aggregates announced from the AfriNIC address blocks: 4192
AfriNIC Region origin ASes present in the Internet Routing Table: 270
AfriNIC Prefixes per ASN: 50.93
AfriNIC Region origin ASes announcing only one prefix: 108
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: 147
Number of AfriNIC addresses announced to Internet: 43127552
Equivalent to 2 /8s, 146 /16s and 19 /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 10140 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1491 192 53 CMNET-HUNAN-AP China Mobile communication
24547 849 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
17561 556 36 227 LCS-AS-AP LARUS Limited, HK
24445 511 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 478 779 138 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 12944 39644 3974 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2521 187 1530 USDA-1, US
367 2436 2902 1180 DNIC-ASBLK-00306-00371, US
36352 2325 194 1066 AS-COLOCROSSING, US
7018 2228 22910 1590 ATT-INTERNET4, US
11776 1878 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1804 3547 466 CELLCO-PART, US
209 1671 4890 278 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 1292 101 1036 AKAMAI-ASN1, NL
3257 928 2075 750 GTT-BACKBONE GTT, US
3215 927 4886 285 France Telecom - Orange, FR
34984 913 89 506 TELLCOM-AS, TR
25019 682 1290 134 SAUDINETSTC-AS, SA
8452 602 1842 17 TE-AS TE-AS, EG
212238 571 41 504 CDNEXT, GB
8376 568 53 22 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 7234 2009 997 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1736 256 1228 Telmex Colombia S.A., CO
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 877 1127 31 TELEFONICA BRASIL S.A, BR
28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 541 2876 72 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 1457 389 16 LINKdotNET-AS, EG
29571 1073 101 72 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 864 509 44 RAYA-AS, EG
36935 679 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 541 82 3 KENET-AS, KE
37069 459 1030 15 MOBINIL, EG
36903 417 195 306 MT-MPLS, MA
2018 374 318 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 12944 39644 3974 AMAZON-02, US
9808 10140 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7234 2009 997 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2521 187 1530 USDA-1, US
367 2436 2902 1180 DNIC-ASBLK-00306-00371, US
36352 2325 194 1066 AS-COLOCROSSING, US
7018 2228 22910 1590 ATT-INTERNET4, US
11830 1993 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 10140 10053 CHINAMOBILE-CN China Mobile Communications Grou
8151 7234 6237 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1878 1661 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1457 1441 LINKdotNET-AS, EG
56047 1491 1438 CMNET-HUNAN-AP China Mobile communications corp
56046 1573 1394 CMNET-JIANGSU-AP China Mobile communications co
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
53966 UNALLOCATED 8.39.98.0/24 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
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
23.158.216.0/24 Origin: 204535 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, 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
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 /11:43 /12:151
/13:223 /14:579 /15:1104 /16:7624 /17:3465 /18:4210
/19:7733 /20:12506 /21:15596 /22:28383 /23:28229 /24:159481
/25:60 /26:76 /27:35 /28:15 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3790 7234 UNINET, MX
22773 2517 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 12944 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 981 1736 Telmex Colombia S.A., CO
209 966 1671 CENTURYLINK-US-LEGACY-QWEST, US
19901 934 1171 BRSPD-PUBLIC, US
36352 928 2325 AS-COLOCROSSING, US
11776 881 1878 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:65 2:483 3:593 4:5 5:825 6:149
7:5 8:641 11:171 12:1005 13:290 14:141
15:301 16:241 17:5 18:888 20:173 21:4
22:188 23:2567 24:955 27:24 29:19 31:488
32:18 34:10 35:133 36:1226 37:1039 38:2307
39:542 40:54 41:946 42:218 43:208 44:25
45:4193 46:971 47:84 49:55 50:351 51:382
52:1386 54:276 55:1070 56:9 57:19 58:45
59:27 60:16 61:64 62:538 63:780 64:1880
65:1087 66:1629 67:967 68:417 69:1197 70:440
71:210 72:830 74:983 75:434 76:248 77:450
78:354 79:340 80:290 81:350 82:686 83:245
84:372 85:566 86:250 87:251 88:261 89:847
90:104 91:989 92:672 93:481 94:861 95:643
96:285 97:66 98:475 99:161 100:36 101:26
102:337 103:1256 104:1475 105:135 106:62 107:1487
108:546 109:389 110:57 111:1928 112:463 113:39
114:65 115:20 116:53 117:1045 118:164 119:134
120:1167 121:44 122:110 123:148 124:57 125:23
126:1 128:486 129:284 130:670 131:945 132:559
133:213 134:533 135:117 136:561 137:507 138:1022
139:422 140:711 141:436 142:975 143:707 144:421
145:76 146:702 147:495 148:859 149:724 150:374
151:707 152:514 153:127 154:1559 155:799 156:1390
157:374 158:504 159:672 160:835 161:735 162:1010
163:354 164:733 165:835 166:723 167:648 168:1505
169:144 170:1677 171:122 172:1422 173:804 174:254
175:64 176:774 177:1128 178:523 179:801 180:50
181:1903 182:45 183:880 184:507 185:3588 186:2485
187:1471 188:785 189:1749 190:5166 191:508 192:5116
193:1818 194:1256 195:949 196:810 197:1523 198:2690
199:4888 200:4063 201:3393 202:990 203:711 204:2148
205:1981 206:1571 207:1516 208:1373 209:1960 210:300
211:426 212:989 213:864 214:1016 215:42 216:2519
217:447 218:525 219:20 220:25 221:301 222:32
223:740
End of report
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