[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 24 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 24 Apr, 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: 265470
Prefixes after maximum aggregation (per Origin AS): 116618
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 138539
Number of IPv4 prefixes with a valid ROA: 118411
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 147041
Total ASes present in the Internet Routing Table: 20099
Prefixes per ASN: 13.21
Origin-only ASes present in the Internet Routing Table: 17357
Origin ASes announcing only one prefix: 7873
Transit ASes present in the Internet Routing Table: 2742
Transit-only ASes present in the Internet Routing Table: 722
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: 345
Number of instances of unregistered ASNs: 346
Number of 32-bit ASNs allocated by the RIRs: 46259
Number of 32-bit ASNs visible in the Routing Table: 7566
Prefixes from 32-bit ASNs in the Routing Table: 28360
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: 153
Number of addresses announced to Internet: 1569593021
Equivalent to 93 /8s, 142 /16s and 22 /24s
Percentage of available address space announced: 42.4
Percentage of allocated address space announced: 42.4
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: 83871
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32151
Total APNIC prefixes after maximum aggregation: 7509
APNIC Deaggregation factor: 4.28
Prefixes being announced from the APNIC address blocks: 30900
Unique aggregates announced from the APNIC address blocks: 8250
APNIC Region origin ASes present in the Internet Routing Table: 1223
APNIC Prefixes per ASN: 25.27
APNIC Region origin ASes announcing only one prefix: 487
APNIC Region transit ASes present in the Internet Routing Table: 211
Average APNIC Region AS path length visible: 7.2
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 563
Number of APNIC addresses announced to Internet: 176347244
Equivalent to 10 /8s, 130 /16s and 216 /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: 128487
Total ARIN prefixes after maximum aggregation: 66394
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 125959
Unique aggregates announced from the ARIN address blocks: 68196
ARIN Region origin ASes present in the Internet Routing Table: 9582
ARIN Prefixes per ASN: 13.15
ARIN Region origin ASes announcing only one prefix: 3965
ARIN Region transit ASes present in the Internet Routing Table: 892
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: 2245
Number of ARIN addresses announced to Internet: 971723201
Equivalent to 57 /8s, 235 /16s and 81 /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: 49693
Total RIPE prefixes after maximum aggregation: 26850
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 51083
Unique aggregates announced from the RIPE address blocks: 37368
RIPE Region origin ASes present in the Internet Routing Table: 4648
RIPE Prefixes per ASN: 10.99
RIPE Region origin ASes announcing only one prefix: 1955
RIPE Region transit ASes present in the Internet Routing Table: 700
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: 1904
Number of RIPE addresses announced to Internet: 281955408
Equivalent to 16 /8s, 206 /16s and 76 /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: 44496
Total LACNIC prefixes after maximum aggregation: 13405
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 43506
Unique aggregates announced from the LACNIC address blocks: 20133
LACNIC Region origin ASes present in the Internet Routing Table: 3520
LACNIC Prefixes per ASN: 12.36
LACNIC Region origin ASes announcing only one prefix: 1353
LACNIC Region transit ASes present in the Internet Routing Table: 723
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2704
Number of LACNIC addresses announced to Internet: 96676416
Equivalent to 5 /8s, 195 /16s and 42 /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: 10298
Total AfriNIC prefixes after maximum aggregation: 2236
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 13869
Unique aggregates announced from the AfriNIC address blocks: 4457
AfriNIC Region origin ASes present in the Internet Routing Table: 271
AfriNIC Prefixes per ASN: 51.18
AfriNIC Region origin ASes announcing only one prefix: 113
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: 150
Number of AfriNIC addresses announced to Internet: 42834432
Equivalent to 2 /8s, 141 /16s and 154 /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 10182 8754 92 CHINAMOBILE-CN China Mobile Communication
56046 1590 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1569 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 852 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 771 500 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
45102 585 912 139 ALIBABA-CN-NET Alibaba US Technology Co.,
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17676 463 8767 152 GIGAINFRA SoftBank Corp., JP
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 13261 39708 4110 AMAZON-02, US
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2657 202 1621 USDA-1, US
36352 2453 203 1093 AS-COLOCROSSING, US
367 2443 2887 1184 DNIC-ASBLK-00306-00371, US
7018 2114 22900 1554 ATT-INTERNET4, US
11776 1894 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1846 3687 467 CELLCO-PART, US
209 1665 4890 275 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 1317 102 1060 AKAMAI-ASN1, NL
34984 941 94 525 TELLCOM-AS, TR
3257 929 2075 746 GTT-BACKBONE GTT, US
3215 891 4810 292 France Telecom - Orange, FR
25019 857 1303 130 SAUDINETSTC-AS, SA
8452 656 1842 17 TE-AS TE-AS, EG
212238 580 41 511 CDNEXT, GB
8376 578 53 23 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 7393 2024 1014 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 21 Telefonica del Peru S.A.A., PE
26615 989 2503 52 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 546 2883 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 1490 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 962 100 75 ORANGE-COTE-IVOIRE, CI
24835 879 528 38 RAYA-AS, EG
36935 700 519 48 Vodafone-, EG
36992 604 1228 124 ETISALAT-MISR, EG
36914 553 82 3 KENET-AS, KE
37069 465 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 371 318 68 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 13261 39708 4110 AMAZON-02, US
9808 10182 8754 92 CHINAMOBILE-CN China Mobile Communication
8151 7393 2024 1014 UNINET, MX
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2657 202 1621 USDA-1, US
36352 2453 203 1093 AS-COLOCROSSING, US
367 2443 2887 1184 DNIC-ASBLK-00306-00371, US
7018 2114 22900 1554 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 10182 10090 CHINAMOBILE-CN China Mobile Communications Grou
8151 7393 6379 UNINET, MX
22773 3392 3213 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1894 1678 ATLANTICBB-JOHNSTOWN, US
56041 1569 1491 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1490 1474 LINKdotNET-AS, EG
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1590 1404 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 RESERVED, ZZ
23.158.216.0/24 Transit: 22427 GNET-AS, US
23.166.120.0/24 Origin: 59993 UILLLC-20230328, US
23.166.120.0/24 Transit: 30456 COSMIC-GLOBAL, 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 /12:153
/13:215 /14:579 /15:1099 /16:7707 /17:3475 /18:4266
/19:7826 /20:12659 /21:15795 /22:28061 /23:27838 /24:155488
/25:60 /26:76 /27:35 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3903 7393 UNINET, MX
22773 2532 3392 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2361 13261 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 985 2453 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 948 1214 BRSPD-PUBLIC, US
11776 883 1894 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 2:467 3:615 4:5 5:836 6:156
7:5 8:647 11:171 12:1005 13:299 14:113
15:301 16:244 17:5 18:891 20:194 21:4
22:188 23:2723 24:666 27:21 29:19 31:472
32:10 34:10 35:135 36:1232 37:959 38:2010
39:551 40:62 41:919 42:226 43:190 44:48
45:3598 46:956 47:99 49:18 50:364 51:383
52:1392 54:273 55:1092 56:11 57:18 58:45
59:43 60:16 61:73 62:538 63:782 64:2053
65:1098 66:1642 67:991 68:437 69:1206 70:424
71:210 72:749 74:1008 75:431 76:262 77:466
78:327 79:289 80:296 81:352 82:752 83:248
84:367 85:485 86:236 87:247 88:281 89:837
90:105 91:982 92:606 93:471 94:958 95:687
96:302 97:65 98:481 99:161 100:37 101:19
102:377 103:1241 104:1491 105:138 106:16 107:1497
108:551 109:395 110:37 111:1916 112:450 113:36
114:42 115:14 116:61 117:1035 118:65 119:133
120:1171 121:45 122:70 123:72 124:54 125:25
128:476 129:300 130:691 131:882 132:557 133:212
134:490 135:115 136:600 137:506 138:875 139:447
140:717 141:443 142:1040 143:660 144:437 145:113
146:688 147:534 148:869 149:787 150:382 151:642
152:516 153:132 154:1643 155:807 156:1286 157:387
158:545 159:691 160:834 161:715 162:1032 163:371
164:718 165:804 166:806 167:645 168:1131 169:159
170:1555 171:125 172:1426 173:890 174:265 175:55
176:872 177:803 178:520 179:680 180:47 181:1735
182:27 183:860 184:495 185:3431 186:1990 187:1327
188:783 189:1700 190:4202 191:408 192:5247 193:1841
194:1229 195:948 196:815 197:1552 198:2766 199:4966
200:3556 201:3256 202:1009 203:730 204:2209 205:1950
206:1568 207:1524 208:1471 209:1992 210:315 211:430
212:973 213:879 214:982 215:42 216:2616 217:427
218:515 219:29 220:26 221:305 222:37 223:736
End of report
More information about the ren-bgp-stats-all
mailing list