[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 12 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 12 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: 262896
Prefixes after maximum aggregation (per Origin AS): 115068
Deaggregation factor: 2.28
Unique aggregates announced (without unneeded subnets): 137039
Number of IPv4 prefixes with a valid ROA: 117418
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 145462
Total ASes present in the Internet Routing Table: 20278
Prefixes per ASN: 12.96
Origin-only ASes present in the Internet Routing Table: 17481
Origin ASes announcing only one prefix: 7834
Transit ASes present in the Internet Routing Table: 2797
Transit-only ASes present in the Internet Routing Table: 732
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: 318
Number of instances of unregistered ASNs: 319
Number of 32-bit ASNs allocated by the RIRs: 46178
Number of 32-bit ASNs visible in the Routing Table: 7869
Prefixes from 32-bit ASNs in the Routing Table: 29481
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: 121
Number of addresses announced to Internet: 1555521757
Equivalent to 92 /8s, 183 /16s and 96 /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: 83786
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31211
Total APNIC prefixes after maximum aggregation: 7306
APNIC Deaggregation factor: 4.27
Prefixes being announced from the APNIC address blocks: 30060
Unique aggregates announced from the APNIC address blocks: 7954
APNIC Region origin ASes present in the Internet Routing Table: 1171
APNIC Prefixes per ASN: 25.67
APNIC Region origin ASes announcing only one prefix: 466
APNIC Region transit ASes present in the Internet Routing Table: 199
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 537
Number of APNIC addresses announced to Internet: 168114284
Equivalent to 10 /8s, 5 /16s and 56 /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: 124827
Total ARIN prefixes after maximum aggregation: 64125
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122032
Unique aggregates announced from the ARIN address blocks: 65555
ARIN Region origin ASes present in the Internet Routing Table: 9354
ARIN Prefixes per ASN: 13.05
ARIN Region origin ASes announcing only one prefix: 3894
ARIN Region transit ASes present in the Internet Routing Table: 870
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: 2167
Number of ARIN addresses announced to Internet: 964675297
Equivalent to 57 /8s, 127 /16s and 198 /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: 49332
Total RIPE prefixes after maximum aggregation: 26802
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 50951
Unique aggregates announced from the RIPE address blocks: 37423
RIPE Region origin ASes present in the Internet Routing Table: 4617
RIPE Prefixes per ASN: 11.04
RIPE Region origin ASes announcing only one prefix: 1929
RIPE Region transit ASes present in the Internet Routing Table: 689
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1883
Number of RIPE addresses announced to Internet: 280940112
Equivalent to 16 /8s, 190 /16s and 206 /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: 47043
Total LACNIC prefixes after maximum aggregation: 14405
LACNIC Deaggregation factor: 3.27
Prefixes being announced from the LACNIC address blocks: 45955
Unique aggregates announced from the LACNIC address blocks: 21706
LACNIC Region origin ASes present in the Internet Routing Table: 3995
LACNIC Prefixes per ASN: 11.50
LACNIC Region origin ASes announcing only one prefix: 1433
LACNIC Region transit ASes present in the Internet Routing Table: 819
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3131
Number of LACNIC addresses announced to Internet: 98148928
Equivalent to 5 /8s, 217 /16s and 162 /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: 10165
Total AfriNIC prefixes after maximum aggregation: 2210
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 13777
Unique aggregates announced from the AfriNIC address blocks: 4285
AfriNIC Region origin ASes present in the Internet Routing Table: 279
AfriNIC Prefixes per ASN: 49.38
AfriNIC Region origin ASes announcing only one prefix: 112
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 151
Number of AfriNIC addresses announced to Internet: 43591680
Equivalent to 2 /8s, 153 /16s and 40 /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 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1585 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 774 500 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 502 32 209 LCS-AS-AP LARUS Limited, HK
45102 476 762 135 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 13156 39690 4082 AMAZON-02, US
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2627 197 1596 USDA-1, US
367 2466 2890 1193 DNIC-ASBLK-00306-00371, US
36352 2389 198 1071 AS-COLOCROSSING, US
7018 2215 22907 1581 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1666 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 1148 90 948 AKAMAI-ASN1, NL
34984 927 91 517 TELLCOM-AS, TR
3257 926 2075 747 GTT-BACKBONE GTT, US
3215 894 4810 293 France Telecom - Orange, FR
25019 855 1299 129 SAUDINETSTC-AS, SA
8452 643 1842 17 TE-AS TE-AS, EG
8376 576 53 22 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
203214 566 42 349 HULUMTELE, IQ
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 6895 1905 1021 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1330 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 52 TIM SA, BR
18881 881 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 540 2883 71 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 1484 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 872 99 73 ORANGE-COTE-IVOIRE, CI
24835 814 504 37 RAYA-AS, EG
36935 711 522 55 Vodafone-, EG
36992 602 1229 124 ETISALAT-MISR, EG
36914 551 82 3 KENET-AS, KE
37069 504 1046 15 MOBINIL, EG
36903 410 192 301 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 13156 39690 4082 AMAZON-02, US
9808 10121 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 6895 1905 1021 UNINET, MX
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2627 197 1596 USDA-1, US
367 2466 2890 1193 DNIC-ASBLK-00306-00371, US
36352 2389 198 1071 AS-COLOCROSSING, US
7018 2215 22907 1581 ATT-INTERNET4, US
11830 1992 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 10121 10033 CHINAMOBILE-CN China Mobile Communications Grou
8151 6895 5874 UNINET, MX
22773 3394 3215 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
24863 1484 1468 LINKdotNET-AS, EG
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1585 1398 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 /12:151
/13:215 /14:577 /15:1100 /16:7577 /17:3441 /18:4200
/19:7623 /20:12355 /21:15410 /22:27826 /23:27544 /24:154568
/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 3571 6895 UNINET, MX
22773 2534 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 13156 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 971 2389 AS-COLOCROSSING, US
209 965 1666 CENTURYLINK-US-LEGACY-QWEST, US
19901 945 1199 BRSPD-PUBLIC, US
11776 881 1892 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 2:450 3:610 4:5 5:828 6:150
7:5 8:637 11:171 12:995 13:295 14:112
15:300 16:241 17:5 18:891 20:168 21:4
22:188 23:2509 24:702 27:26 29:19 31:472
32:18 34:12 35:134 36:1229 37:1039 38:2008
39:541 40:56 41:889 42:191 43:193 44:33
45:3999 46:951 47:83 49:18 50:356 51:383
52:1385 54:273 55:877 56:11 57:17 58:46
59:32 60:16 61:72 62:557 63:773 64:1880
65:1083 66:1575 67:994 68:418 69:1165 70:427
71:210 72:770 74:963 75:427 76:246 77:477
78:334 79:275 80:298 81:355 82:762 83:240
84:367 85:479 86:234 87:250 88:275 89:828
90:104 91:962 92:669 93:450 94:935 95:670
96:287 97:64 98:464 99:159 100:35 101:19
102:381 103:1168 104:1431 105:142 106:35 107:1503
108:531 109:407 110:32 111:1906 112:450 113:40
114:42 115:14 116:57 117:1034 118:90 119:131
120:1163 121:43 122:82 123:85 124:54 125:24
128:472 129:284 130:669 131:931 132:565 133:213
134:491 135:117 136:557 137:496 138:915 139:436
140:716 141:434 142:1029 143:671 144:422 145:112
146:688 147:505 148:862 149:760 150:373 151:637
152:495 153:128 154:1555 155:812 156:1236 157:370
158:512 159:687 160:777 161:707 162:984 163:356
164:712 165:809 166:762 167:638 168:1185 169:148
170:1631 171:121 172:1376 173:818 174:253 175:43
176:849 177:1035 178:504 179:741 180:50 181:1789
182:20 183:861 184:493 185:3373 186:2168 187:1407
188:779 189:1717 190:4415 191:440 192:5150 193:1827
194:1217 195:941 196:793 197:1566 198:2686 199:4911
200:3676 201:3275 202:972 203:722 204:2166 205:1964
206:1547 207:1496 208:1370 209:1979 210:294 211:431
212:971 213:880 214:985 215:42 216:2497 217:429
218:523 219:19 220:26 221:303 222:32 223:732
End of report
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