[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 23 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 23 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: 264607
Prefixes after maximum aggregation (per Origin AS): 116394
Deaggregation factor: 2.27
Unique aggregates announced (without unneeded subnets): 138624
Number of IPv4 prefixes with a valid ROA: 118032
Number of IPv4 prefixes with an invalid ROA: 27
Number of IPv4 prefixes with no ROA: 146548
Total ASes present in the Internet Routing Table: 20032
Prefixes per ASN: 13.21
Origin-only ASes present in the Internet Routing Table: 17304
Origin ASes announcing only one prefix: 7835
Transit ASes present in the Internet Routing Table: 2728
Transit-only ASes present in the Internet Routing Table: 719
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: 46254
Number of 32-bit ASNs visible in the Routing Table: 7525
Prefixes from 32-bit ASNs in the Routing Table: 28259
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: 152
Number of addresses announced to Internet: 1568404669
Equivalent to 93 /8s, 123 /16s and 244 /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: 83820
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31650
Total APNIC prefixes after maximum aggregation: 7295
APNIC Deaggregation factor: 4.34
Prefixes being announced from the APNIC address blocks: 30432
Unique aggregates announced from the APNIC address blocks: 7843
APNIC Region origin ASes present in the Internet Routing Table: 1185
APNIC Prefixes per ASN: 25.68
APNIC Region origin ASes announcing only one prefix: 478
APNIC Region transit ASes present in the Internet Routing Table: 208
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: 529
Number of APNIC addresses announced to Internet: 175555692
Equivalent to 10 /8s, 118 /16s and 196 /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: 128498
Total ARIN prefixes after maximum aggregation: 66387
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 125909
Unique aggregates announced from the ARIN address blocks: 68238
ARIN Region origin ASes present in the Internet Routing Table: 9579
ARIN Prefixes per ASN: 13.14
ARIN Region origin ASes announcing only one prefix: 3958
ARIN Region transit ASes present in the Internet Routing Table: 893
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: 2244
Number of ARIN addresses announced to Internet: 971707841
Equivalent to 57 /8s, 235 /16s and 21 /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: 49506
Total RIPE prefixes after maximum aggregation: 26772
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 50909
Unique aggregates announced from the RIPE address blocks: 37250
RIPE Region origin ASes present in the Internet Routing Table: 4613
RIPE Prefixes per ASN: 11.04
RIPE Region origin ASes announcing only one prefix: 1940
RIPE Region transit ASes present in the Internet Routing Table: 692
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: 1885
Number of RIPE addresses announced to Internet: 282058064
Equivalent to 16 /8s, 207 /16s and 221 /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: 44530
Total LACNIC prefixes after maximum aggregation: 13430
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 43584
Unique aggregates announced from the LACNIC address blocks: 20251
LACNIC Region origin ASes present in the Internet Routing Table: 3531
LACNIC Prefixes per ASN: 12.34
LACNIC Region origin ASes announcing only one prefix: 1348
LACNIC Region transit ASes present in the Internet Routing Table: 725
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2718
Number of LACNIC addresses announced to Internet: 96641856
Equivalent to 5 /8s, 194 /16s and 163 /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: 10078
Total AfriNIC prefixes after maximum aggregation: 2286
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 13621
Unique aggregates announced from the AfriNIC address blocks: 4908
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 50.08
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: 149
Number of AfriNIC addresses announced to Internet: 42385152
Equivalent to 2 /8s, 134 /16s and 191 /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 10162 8753 89 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 566 879 138 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 13253 39709 4111 AMAZON-02, US
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2665 203 1628 USDA-1, US
36352 2455 203 1098 AS-COLOCROSSING, US
367 2437 2888 1181 DNIC-ASBLK-00306-00371, US
7018 2115 22900 1555 ATT-INTERNET4, US
11776 1894 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1840 3651 464 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 1303 101 1048 AKAMAI-ASN1, NL
3257 929 2075 746 GTT-BACKBONE GTT, US
34984 927 92 519 TELLCOM-AS, TR
3215 893 4810 292 France Telecom - Orange, FR
25019 857 1303 130 SAUDINETSTC-AS, SA
8452 656 1842 17 TE-AS TE-AS, EG
8376 581 53 23 Jordan Data Communications, JO
212238 579 41 510 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 7295 2015 1008 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1331 784 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1188 371 21 Telefonica del Peru S.A.A., PE
26615 987 2503 52 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 642 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 548 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 1490 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 962 100 75 ORANGE-COTE-IVOIRE, CI
24835 829 418 97 RAYA-AS, EG
36992 604 1228 124 ETISALAT-MISR, EG
36935 561 517 42 Vodafone-, EG
36914 545 82 3 KENET-AS, KE
37069 465 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 13253 39709 4111 AMAZON-02, US
9808 10162 8753 89 CHINAMOBILE-CN China Mobile Communication
8151 7295 2015 1008 UNINET, MX
22773 3392 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2665 203 1628 USDA-1, US
36352 2455 203 1098 AS-COLOCROSSING, US
367 2437 2888 1181 DNIC-ASBLK-00306-00371, US
7018 2115 22900 1555 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 10162 10073 CHINAMOBILE-CN China Mobile Communications Grou
8151 7295 6287 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
/13:214 /14:579 /15:1092 /16:7697 /17:3468 /18:4268
/19:7858 /20:12610 /21:15498 /22:27876 /23:27744 /24:155241
/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 3849 7295 UNINET, MX
22773 2532 3392 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2363 13253 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 2455 AS-COLOCROSSING, US
209 964 1665 CENTURYLINK-US-LEGACY-QWEST, US
19901 948 1212 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 2:472 3:615 4:5 5:832 6:155
7:5 8:648 11:171 12:1004 13:300 14:109
15:301 16:244 17:5 18:890 20:172 21:4
22:188 23:2703 24:667 27:21 29:19 31:465
32:10 34:10 35:135 36:1231 37:968 38:2013
39:549 40:62 41:914 42:226 43:191 44:50
45:3575 46:956 47:98 49:18 50:363 51:381
52:1392 54:273 55:1092 56:11 57:18 58:45
59:43 60:16 61:74 62:540 63:781 64:2061
65:1097 66:1641 67:988 68:439 69:1223 70:420
71:210 72:748 74:1009 75:431 76:268 77:465
78:327 79:281 80:301 81:365 82:756 83:248
84:367 85:486 86:236 87:246 88:281 89:820
90:105 91:962 92:605 93:453 94:938 95:686
96:301 97:64 98:478 99:160 100:37 101:19
102:383 103:1188 104:1491 105:131 106:16 107:1497
108:542 109:391 110:37 111:1916 112:451 113:36
114:42 115:14 116:57 117:1034 118:62 119:134
120:1166 121:44 122:65 123:70 124:54 125:25
128:481 129:303 130:688 131:881 132:557 133:213
134:490 135:115 136:600 137:506 138:857 139:447
140:712 141:444 142:1041 143:669 144:429 145:113
146:690 147:532 148:869 149:793 150:382 151:631
152:518 153:132 154:1618 155:806 156:1288 157:387
158:538 159:692 160:834 161:714 162:1031 163:375
164:714 165:804 166:807 167:646 168:1127 169:160
170:1561 171:125 172:1433 173:890 174:265 175:55
176:871 177:865 178:517 179:692 180:48 181:1739
182:27 183:860 184:496 185:3386 186:2010 187:1359
188:784 189:1670 190:4208 191:415 192:5243 193:1834
194:1226 195:945 196:785 197:1561 198:2763 199:4964
200:3569 201:3247 202:996 203:728 204:2212 205:1928
206:1573 207:1530 208:1473 209:1998 210:310 211:430
212:965 213:874 214:978 215:42 216:2626 217:429
218:515 219:19 220:26 221:304 222:32 223:742
End of report
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