[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 13 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 13 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: 263602
Prefixes after maximum aggregation (per Origin AS): 116000
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 135890
Number of IPv4 prefixes with a valid ROA: 118396
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 145165
Total ASes present in the Internet Routing Table: 19894
Prefixes per ASN: 13.25
Origin-only ASes present in the Internet Routing Table: 17221
Origin ASes announcing only one prefix: 7796
Transit ASes present in the Internet Routing Table: 2673
Transit-only ASes present in the Internet Routing Table: 706
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: 307
Number of instances of unregistered ASNs: 311
Number of 32-bit ASNs allocated by the RIRs: 46406
Number of 32-bit ASNs visible in the Routing Table: 7527
Prefixes from 32-bit ASNs in the Routing Table: 28349
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: 131
Number of addresses announced to Internet: 1554077661
Equivalent to 92 /8s, 161 /16s and 87 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 83045
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32738
Total APNIC prefixes after maximum aggregation: 7634
APNIC Deaggregation factor: 4.29
Prefixes being announced from the APNIC address blocks: 31178
Unique aggregates announced from the APNIC address blocks: 8020
APNIC Region origin ASes present in the Internet Routing Table: 1226
APNIC Prefixes per ASN: 25.43
APNIC Region origin ASes announcing only one prefix: 483
APNIC Region transit ASes present in the Internet Routing Table: 202
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: 560
Number of APNIC addresses announced to Internet: 167695468
Equivalent to 9 /8s, 254 /16s and 212 /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: 125378
Total ARIN prefixes after maximum aggregation: 65243
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 122422
Unique aggregates announced from the ARIN address blocks: 65897
ARIN Region origin ASes present in the Internet Routing Table: 9333
ARIN Prefixes per ASN: 13.12
ARIN Region origin ASes announcing only one prefix: 3897
ARIN Region transit ASes present in the Internet Routing Table: 861
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: 2172
Number of ARIN addresses announced to Internet: 960606177
Equivalent to 57 /8s, 65 /16s and 175 /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: 49529
Total RIPE prefixes after maximum aggregation: 26910
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51288
Unique aggregates announced from the RIPE address blocks: 37378
RIPE Region origin ASes present in the Internet Routing Table: 4692
RIPE Prefixes per ASN: 10.93
RIPE Region origin ASes announcing only one prefix: 1959
RIPE Region transit ASes present in the Internet Routing Table: 709
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: 1929
Number of RIPE addresses announced to Internet: 282252880
Equivalent to 16 /8s, 210 /16s and 214 /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: 44590
Total LACNIC prefixes after maximum aggregation: 13633
LACNIC Deaggregation factor: 3.27
Prefixes being announced from the LACNIC address blocks: 43629
Unique aggregates announced from the LACNIC address blocks: 20224
LACNIC Region origin ASes present in the Internet Routing Table: 3538
LACNIC Prefixes per ASN: 12.33
LACNIC Region origin ASes announcing only one prefix: 1354
LACNIC Region transit ASes present in the Internet Routing Table: 701
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: 2717
Number of LACNIC addresses announced to Internet: 96645440
Equivalent to 5 /8s, 194 /16s and 177 /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: 11060
Total AfriNIC prefixes after maximum aggregation: 2375
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 14954
Unique aggregates announced from the AfriNIC address blocks: 4257
AfriNIC Region origin ASes present in the Internet Routing Table: 279
AfriNIC Prefixes per ASN: 53.60
AfriNIC Region origin ASes announcing only one prefix: 103
AfriNIC Region transit ASes present in the Internet Routing Table: 75
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: 149
Number of AfriNIC addresses announced to Internet: 46827008
Equivalent to 2 /8s, 202 /16s and 134 /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 10730 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 1485 192 53 CMNET-HUNAN-AP China Mobile communication
17561 863 55 407 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 602 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 503 800 135 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 13315 40824 4918 AMAZON-02, US
22773 3342 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2701 206 1677 USDA-1, US
36352 2531 208 1122 AS-COLOCROSSING, US
367 2415 2902 1168 DNIC-ASBLK-00306-00371, US
7018 2096 22888 1545 ATT-INTERNET4, US
11776 1895 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1858 3756 491 CELLCO-PART, US
209 1663 4890 273 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 1146 90 945 AKAMAI-ASN1, NL
3257 930 2077 748 GTT-BACKBONE GTT, US
3215 895 4818 289 France Telecom - Orange, FR
25019 815 1301 129 SAUDINETSTC-AS, SA
8452 706 1842 17 TE-AS TE-AS, EG
34984 688 76 411 TELLCOM-AS, TR
212238 626 44 552 CDNEXT, GB
8376 573 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 6870 1866 1035 UNINET, MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
10620 1902 280 1293 Telmex Colombia S.A., CO
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
26615 1012 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 1493 389 16 LINKdotNET-AS, EG
24835 1063 555 37 RAYA-AS, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
29571 977 100 75 ORANGE-COTE-IVOIRE, CI
36935 719 141 187 Vodafone-, EG
36992 603 1228 124 ETISALAT-MISR, EG
36914 553 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 446 199 325 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 13315 40824 4918 AMAZON-02, US
9808 10730 8756 95 CHINAMOBILE-CN China Mobile Communication
8151 6870 1866 1035 UNINET, MX
22773 3342 3015 164 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
4155 2701 206 1677 USDA-1, US
36352 2531 208 1122 AS-COLOCROSSING, US
367 2415 2902 1168 DNIC-ASBLK-00306-00371, US
7018 2096 22888 1545 ATT-INTERNET4, US
11830 1994 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 10730 10635 CHINAMOBILE-CN China Mobile Communications Grou
8151 6870 5835 UNINET, MX
22773 3342 3178 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1994 1930 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 1493 1477 LINKdotNET-AS, EG
56047 1485 1432 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 /11:42 /12:151
/13:208 /14:572 /15:1098 /16:7635 /17:3447 /18:4219
/19:7555 /20:12389 /21:15252 /22:27745 /23:27736 /24:155278
/25:62 /26:82 /27:34 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3577 6870 UNINET, MX
22773 2496 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2322 13315 AMAZON-02, US
11830 1695 1994 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1011 2531 AS-COLOCROSSING, US
19901 966 1252 BRSPD-PUBLIC, US
209 964 1663 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 2:465 3:717 4:6 5:781 6:156
7:5 8:679 11:171 12:995 13:325 14:113
15:302 16:246 17:6 18:886 20:177 21:4
22:188 23:2580 24:644 27:21 29:19 31:495
32:9 33:1 34:10 35:133 36:1610 37:953
38:1970 39:553 40:62 41:961 42:213 43:196
44:35 45:3662 46:965 47:91 49:19 50:361
51:386 52:1387 54:302 55:1094 56:11 57:17
58:18 59:32 60:16 61:71 62:550 63:765
64:1997 65:1090 66:1587 67:958 68:397 69:1122
70:410 71:202 72:743 74:960 75:426 76:249
77:464 78:361 79:291 80:303 81:370 82:737
83:244 84:350 85:459 86:238 87:247 88:292
89:858 90:104 91:949 92:602 93:475 94:925
95:612 96:289 97:59 98:453 99:173 100:35
101:19 102:396 103:1255 104:1621 105:222 106:16
107:1519 108:551 109:387 110:35 111:1955 112:457
113:39 114:45 115:13 116:66 117:1046 118:63
119:130 120:1215 121:45 122:65 123:76 124:57
125:26 128:469 129:391 130:688 131:911 132:565
133:212 134:495 135:113 136:580 137:499 138:867
139:428 140:711 141:460 142:1025 143:675 144:437
145:135 146:683 147:496 148:872 149:773 150:355
151:646 152:470 153:127 154:1756 155:843 156:1420
157:381 158:542 159:690 160:827 161:670 162:953
163:360 164:715 165:766 166:786 167:632 168:1122
169:154 170:1606 171:125 172:1371 173:835 174:251
175:60 176:674 177:827 178:508 179:705 180:49
181:1816 182:28 183:927 184:448 185:3558 186:2047
187:1322 188:790 189:1665 190:4262 191:439 192:5160
193:1869 194:1230 195:946 196:709 197:1574 198:2732
199:4879 200:3658 201:3231 202:1005 203:744 204:2156
205:1870 206:1540 207:1506 208:1432 209:1930 210:294
211:432 212:980 213:841 214:983 215:42 216:2538
217:429 218:520 219:19 220:26 221:336 222:32
223:772
End of report
More information about the ren-bgp-stats-all
mailing list