[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 25 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 25 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: 270519
Prefixes after maximum aggregation (per Origin AS): 117864
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 141505
Number of IPv4 prefixes with a valid ROA: 122590
Number of IPv4 prefixes with an invalid ROA: 21
Number of IPv4 prefixes with no ROA: 147908
Total ASes present in the Internet Routing Table: 20782
Prefixes per ASN: 13.02
Origin-only ASes present in the Internet Routing Table: 17847
Origin ASes announcing only one prefix: 7951
Transit ASes present in the Internet Routing Table: 2935
Transit-only ASes present in the Internet Routing Table: 771
Paths with bogon ASNs present in the IPv4 Routing Table: 6
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: 273
Number of instances of unregistered ASNs: 274
Number of 32-bit ASNs allocated by the RIRs: 46134
Number of 32-bit ASNs visible in the Routing Table: 8187
Prefixes from 32-bit ASNs in the Routing Table: 31832
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 114
Number of addresses announced to Internet: 1560317789
Equivalent to 93 /8s, 0 /16s and 143 /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: 86971
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32208
Total APNIC prefixes after maximum aggregation: 7687
APNIC Deaggregation factor: 4.19
Prefixes being announced from the APNIC address blocks: 30930
Unique aggregates announced from the APNIC address blocks: 8252
APNIC Region origin ASes present in the Internet Routing Table: 1233
APNIC Prefixes per ASN: 25.09
APNIC Region origin ASes announcing only one prefix: 491
APNIC Region transit ASes present in the Internet Routing Table: 219
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 573
Number of APNIC addresses announced to Internet: 169209452
Equivalent to 10 /8s, 21 /16s and 238 /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: 126017
Total ARIN prefixes after maximum aggregation: 64818
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123686
Unique aggregates announced from the ARIN address blocks: 66756
ARIN Region origin ASes present in the Internet Routing Table: 9369
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 3899
ARIN Region transit ASes present in the Internet Routing Table: 875
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: 965198561
Equivalent to 57 /8s, 135 /16s and 194 /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: 49772
Total RIPE prefixes after maximum aggregation: 27240
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 51470
Unique aggregates announced from the RIPE address blocks: 37848
RIPE Region origin ASes present in the Internet Routing Table: 4717
RIPE Prefixes per ASN: 10.91
RIPE Region origin ASes announcing only one prefix: 1972
RIPE Region transit ASes present in the Internet Routing Table: 706
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: 1911
Number of RIPE addresses announced to Internet: 281481936
Equivalent to 16 /8s, 199 /16s and 18 /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: 51628
Total LACNIC prefixes after maximum aggregation: 15649
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 50241
Unique aggregates announced from the LACNIC address blocks: 24150
LACNIC Region origin ASes present in the Internet Routing Table: 4287
LACNIC Prefixes per ASN: 11.72
LACNIC Region origin ASes announcing only one prefix: 1475
LACNIC Region transit ASes present in the Internet Routing Table: 898
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: 3387
Number of LACNIC addresses announced to Internet: 100698432
Equivalent to 6 /8s, 0 /16s and 137 /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: 10621
Total AfriNIC prefixes after maximum aggregation: 2262
AfriNIC Deaggregation factor: 4.70
Prefixes being announced from the AfriNIC address blocks: 14078
Unique aggregates announced from the AfriNIC address blocks: 4387
AfriNIC Region origin ASes present in the Internet Routing Table: 281
AfriNIC Prefixes per ASN: 50.10
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 156
Number of AfriNIC addresses announced to Internet: 43679744
Equivalent to 2 /8s, 154 /16s and 128 /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 10145 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 1482 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 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 551 35 215 LCS-AS-AP LARUS Limited, HK
24445 512 497 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 12953 39645 3983 AMAZON-02, US
22773 3373 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2541 188 1543 USDA-1, US
367 2455 2905 1183 DNIC-ASBLK-00306-00371, US
36352 2328 195 1061 AS-COLOCROSSING, US
7018 2226 22910 1588 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1808 3548 464 CELLCO-PART, US
209 1669 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 1272 100 1029 AKAMAI-ASN1, NL
3215 927 4886 286 France Telecom - Orange, FR
3257 927 2075 749 GTT-BACKBONE GTT, US
25019 834 1290 134 SAUDINETSTC-AS, SA
8452 602 1842 17 TE-AS TE-AS, EG
203214 578 43 349 HULUMTELE, IQ
8376 574 53 25 Jordan Data Communications, JO
212238 569 41 502 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 7286 2015 998 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1735 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 1012 2503 53 TIM SA, BR
18881 881 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 543 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 1455 389 18 LINKdotNET-AS, EG
29571 1209 101 70 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 539 82 3 KENET-AS, KE
37069 464 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 12953 39645 3983 AMAZON-02, US
9808 10145 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7286 2015 998 UNINET, MX
22773 3373 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2541 188 1543 USDA-1, US
367 2455 2905 1183 DNIC-ASBLK-00306-00371, US
36352 2328 195 1061 AS-COLOCROSSING, US
7018 2226 22910 1588 ATT-INTERNET4, US
11830 1991 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 10145 10058 CHINAMOBILE-CN China Mobile Communications Grou
8151 7286 6288 UNINET, MX
22773 3373 3198 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1879 1662 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1455 1437 LINKdotNET-AS, EG
56047 1482 1429 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 /11:42 /12:150
/13:218 /14:578 /15:1100 /16:7617 /17:3472 /18:4249
/19:7773 /20:12683 /21:15623 /22:28348 /23:28341 /24:160055
/25:61 /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 3829 7286 UNINET, MX
22773 2515 3373 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 12953 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 980 1735 Telmex Colombia S.A., CO
209 964 1669 CENTURYLINK-US-LEGACY-QWEST, US
19901 934 1179 BRSPD-PUBLIC, US
36352 928 2328 AS-COLOCROSSING, US
11776 881 1879 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 2:491 3:594 4:5 5:849 6:150
7:5 8:641 11:171 12:997 13:295 14:139
15:301 16:241 17:5 18:882 20:173 21:4
22:188 23:2567 24:955 27:24 29:19 31:507
32:18 34:10 35:132 36:1225 37:1144 38:2342
39:543 40:54 41:967 42:218 43:211 44:28
45:4130 46:955 47:84 49:54 50:350 51:367
52:1386 54:276 55:1088 56:11 57:18 58:45
59:39 60:16 61:64 62:538 63:780 64:1882
65:1087 66:1621 67:968 68:417 69:1199 70:439
71:213 72:869 74:984 75:434 76:248 77:485
78:339 79:278 80:300 81:348 82:711 83:239
84:341 85:556 86:240 87:249 88:292 89:855
90:104 91:1006 92:679 93:466 94:966 95:699
96:284 97:65 98:476 99:162 100:35 101:27
102:429 103:1270 104:1474 105:135 106:62 107:1486
108:543 109:383 110:57 111:1929 112:462 113:41
114:65 115:22 116:55 117:1048 118:173 119:132
120:1164 121:44 122:111 123:150 124:57 125:24
128:485 129:286 130:667 131:941 132:565 133:213
134:557 135:116 136:561 137:507 138:1033 139:432
140:710 141:436 142:973 143:713 144:421 145:77
146:700 147:496 148:861 149:745 150:373 151:705
152:531 153:127 154:1568 155:804 156:1356 157:381
158:511 159:717 160:930 161:721 162:1001 163:352
164:737 165:860 166:729 167:650 168:1522 169:145
170:1682 171:122 172:1414 173:814 174:254 175:53
176:444 177:1132 178:525 179:806 180:50 181:1909
182:45 183:878 184:504 185:3599 186:2502 187:1468
188:807 189:1765 190:5169 191:510 192:5140 193:1839
194:1248 195:946 196:825 197:1541 198:2700 199:4886
200:4059 201:3403 202:991 203:710 204:2164 205:1998
206:1579 207:1513 208:1369 209:1984 210:308 211:426
212:1033 213:857 214:1007 215:42 216:2503 217:441
218:522 219:20 220:20 221:301 222:32 223:741
End of report
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