[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 23 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 23 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: 271225
Prefixes after maximum aggregation (per Origin AS): 118354
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 142579
Number of IPv4 prefixes with a valid ROA: 122390
Number of IPv4 prefixes with an invalid ROA: 26
Number of IPv4 prefixes with no ROA: 148809
Total ASes present in the Internet Routing Table: 20756
Prefixes per ASN: 13.07
Origin-only ASes present in the Internet Routing Table: 17839
Origin ASes announcing only one prefix: 7945
Transit ASes present in the Internet Routing Table: 2917
Transit-only ASes present in the Internet Routing Table: 747
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: 279
Number of instances of unregistered ASNs: 280
Number of 32-bit ASNs allocated by the RIRs: 46127
Number of 32-bit ASNs visible in the Routing Table: 8200
Prefixes from 32-bit ASNs in the Routing Table: 31814
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: 120
Number of addresses announced to Internet: 1557132157
Equivalent to 92 /8s, 207 /16s and 243 /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: 86966
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33323
Total APNIC prefixes after maximum aggregation: 8555
APNIC Deaggregation factor: 3.90
Prefixes being announced from the APNIC address blocks: 32031
Unique aggregates announced from the APNIC address blocks: 9405
APNIC Region origin ASes present in the Internet Routing Table: 1202
APNIC Prefixes per ASN: 26.65
APNIC Region origin ASes announcing only one prefix: 472
APNIC Region transit ASes present in the Internet Routing Table: 211
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: 544
Number of APNIC addresses announced to Internet: 169808492
Equivalent to 10 /8s, 31 /16s and 18 /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: 125514
Total ARIN prefixes after maximum aggregation: 64627
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123224
Unique aggregates announced from the ARIN address blocks: 66779
ARIN Region origin ASes present in the Internet Routing Table: 9332
ARIN Prefixes per ASN: 13.20
ARIN Region origin ASes announcing only one prefix: 3874
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: 2153
Number of ARIN addresses announced to Internet: 961864193
Equivalent to 57 /8s, 84 /16s and 226 /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: 49818
Total RIPE prefixes after maximum aggregation: 27067
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51510
Unique aggregates announced from the RIPE address blocks: 37919
RIPE Region origin ASes present in the Internet Routing Table: 4712
RIPE Prefixes per ASN: 10.93
RIPE Region origin ASes announcing only one prefix: 1972
RIPE Region transit ASes present in the Internet Routing Table: 707
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: 1913
Number of RIPE addresses announced to Internet: 281229264
Equivalent to 16 /8s, 195 /16s and 55 /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: 51917
Total LACNIC prefixes after maximum aggregation: 15726
LACNIC Deaggregation factor: 3.30
Prefixes being announced from the LACNIC address blocks: 50529
Unique aggregates announced from the LACNIC address blocks: 24199
LACNIC Region origin ASes present in the Internet Routing Table: 4367
LACNIC Prefixes per ASN: 11.57
LACNIC Region origin ASes announcing only one prefix: 1516
LACNIC Region transit ASes present in the Internet Routing Table: 894
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: 3442
Number of LACNIC addresses announced to Internet: 101067840
Equivalent to 6 /8s, 6 /16s and 44 /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: 10374
Total AfriNIC prefixes after maximum aggregation: 2171
AfriNIC Deaggregation factor: 4.78
Prefixes being announced from the AfriNIC address blocks: 13811
Unique aggregates announced from the AfriNIC address blocks: 4159
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 50.78
AfriNIC Region origin ASes announcing only one prefix: 111
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: 148
Number of AfriNIC addresses announced to Internet: 43111168
Equivalent to 2 /8s, 145 /16s and 211 /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 10141 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1572 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
7545 1232 179 924 TPG-INTERNET-AP TPG Telecom Limited, AU
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 555 35 226 LCS-AS-AP LARUS Limited, HK
24445 511 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 12950 39642 3995 AMAZON-02, US
22773 3372 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2527 187 1534 USDA-1, US
367 2438 2901 1177 DNIC-ASBLK-00306-00371, US
36352 2330 195 1066 AS-COLOCROSSING, US
7018 2226 22910 1588 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1804 3547 466 CELLCO-PART, US
209 1670 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 1264 99 1023 AKAMAI-ASN1, NL
3215 927 4886 285 France Telecom - Orange, FR
3257 927 2075 749 GTT-BACKBONE GTT, US
25019 851 1290 134 SAUDINETSTC-AS, SA
34984 777 80 463 TELLCOM-AS, TR
203214 624 48 366 HULUMTELE, IQ
8452 602 1842 17 TE-AS TE-AS, EG
8376 570 53 25 Jordan Data Communications, JO
212238 570 41 503 CDNEXT, GB
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 7510 2076 988 UNINET, MX
11830 1993 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 1013 2503 53 TIM SA, BR
18881 878 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 1459 389 16 LINKdotNET-AS, EG
29571 1128 101 73 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 856 508 43 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 537 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 12950 39642 3995 AMAZON-02, US
9808 10141 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7510 2076 988 UNINET, MX
22773 3372 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2527 187 1534 USDA-1, US
367 2438 2901 1177 DNIC-ASBLK-00306-00371, US
36352 2330 195 1066 AS-COLOCROSSING, US
7018 2226 22910 1588 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 10141 10054 CHINAMOBILE-CN China Mobile Communications Grou
8151 7510 6522 UNINET, MX
22773 3372 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 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 1459 1443 LINKdotNET-AS, EG
56047 1491 1438 CMNET-HUNAN-AP China Mobile communications corp
56046 1572 1393 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 /14:576 /15:1101 /16:7574 /17:3461 /18:4195
/19:7779 /20:12544 /21:15813 /22:28416 /23:28452 /24:160637
/25:60 /26:74 /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 3888 7510 UNINET, MX
22773 2514 3372 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 12950 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 980 1735 Telmex Colombia S.A., CO
209 965 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 934 1170 BRSPD-PUBLIC, US
36352 930 2330 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 2:476 3:595 4:5 5:836 6:150
7:5 8:642 11:171 12:999 13:294 14:272
15:301 16:241 17:5 18:880 20:173 21:4
22:188 23:2551 24:954 27:95 29:19 31:480
32:18 34:10 35:132 36:1225 37:1169 38:2316
39:543 40:54 41:949 42:218 43:210 44:25
45:4235 46:968 47:84 49:51 50:352 51:381
52:1387 54:276 55:1075 56:9 57:18 58:47
59:39 60:116 61:121 62:539 63:780 64:1883
65:1088 66:1624 67:952 68:417 69:1189 70:435
71:212 72:868 74:984 75:433 76:247 77:502
78:353 79:339 80:315 81:347 82:678 83:254
84:353 85:560 86:251 87:250 88:291 89:838
90:104 91:1003 92:667 93:479 94:957 95:643
96:281 97:65 98:476 99:163 100:36 101:30
102:337 103:1243 104:1471 105:135 106:62 107:1486
108:544 109:381 110:120 111:1928 112:463 113:39
114:65 115:57 116:53 117:1044 118:187 119:133
120:1180 121:43 122:111 123:193 124:69 125:35
128:487 129:287 130:672 131:945 132:558 133:213
134:526 135:117 136:561 137:506 138:1032 139:425
140:711 141:428 142:974 143:704 144:416 145:75
146:699 147:495 148:855 149:736 150:370 151:705
152:531 153:125 154:1556 155:799 156:1384 157:375
158:484 159:672 160:881 161:741 162:1005 163:354
164:730 165:843 166:725 167:653 168:1514 169:145
170:1690 171:122 172:1415 173:815 174:254 175:63
176:687 177:1131 178:525 179:802 180:50 181:1916
182:45 183:880 184:502 185:3554 186:2486 187:1476
188:776 189:1795 190:5155 191:513 192:5124 193:1835
194:1247 195:941 196:808 197:1552 198:2693 199:4892
200:4062 201:3416 202:1036 203:835 204:2115 205:2002
206:1562 207:1482 208:1372 209:1964 210:318 211:426
212:979 213:879 214:1007 215:42 216:2505 217:446
218:524 219:20 220:118 221:301 222:32 223:742
End of report
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