[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 29 20:16:35 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 29 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: 266529
Prefixes after maximum aggregation (per Origin AS): 117708
Deaggregation factor: 2.26
Unique aggregates announced (without unneeded subnets): 137633
Number of IPv4 prefixes with a valid ROA: 120035
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 146453
Total ASes present in the Internet Routing Table: 19862
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 17147
Origin ASes announcing only one prefix: 7800
Transit ASes present in the Internet Routing Table: 2715
Transit-only ASes present in the Internet Routing Table: 712
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: 316
Number of instances of unregistered ASNs: 320
Number of 32-bit ASNs allocated by the RIRs: 46539
Number of 32-bit ASNs visible in the Routing Table: 7501
Prefixes from 32-bit ASNs in the Routing Table: 28071
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: 114
Number of addresses announced to Internet: 1560033757
Equivalent to 92 /8s, 252 /16s and 57 /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: 83793
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 33696
Total APNIC prefixes after maximum aggregation: 8273
APNIC Deaggregation factor: 4.07
Prefixes being announced from the APNIC address blocks: 32092
Unique aggregates announced from the APNIC address blocks: 8519
APNIC Region origin ASes present in the Internet Routing Table: 1218
APNIC Prefixes per ASN: 26.35
APNIC Region origin ASes announcing only one prefix: 475
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: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 559
Number of APNIC addresses announced to Internet: 167108972
Equivalent to 9 /8s, 245 /16s and 225 /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: 127260
Total ARIN prefixes after maximum aggregation: 66947
ARIN Deaggregation factor: 1.90
Prefixes being announced from the ARIN address blocks: 124346
Unique aggregates announced from the ARIN address blocks: 67448
ARIN Region origin ASes present in the Internet Routing Table: 9426
ARIN Prefixes per ASN: 13.19
ARIN Region origin ASes announcing only one prefix: 3931
ARIN Region transit ASes present in the Internet Routing Table: 881
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: 2222
Number of ARIN addresses announced to Internet: 962837473
Equivalent to 57 /8s, 99 /16s and 187 /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: 49766
Total RIPE prefixes after maximum aggregation: 26570
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 51593
Unique aggregates announced from the RIPE address blocks: 37347
RIPE Region origin ASes present in the Internet Routing Table: 4617
RIPE Prefixes per ASN: 11.17
RIPE Region origin ASes announcing only one prefix: 1948
RIPE Region transit ASes present in the Internet Routing Table: 703
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1899
Number of RIPE addresses announced to Internet: 285766480
Equivalent to 17 /8s, 8 /16s and 115 /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: 44501
Total LACNIC prefixes after maximum aggregation: 13347
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 43632
Unique aggregates announced from the LACNIC address blocks: 19882
LACNIC Region origin ASes present in the Internet Routing Table: 3467
LACNIC Prefixes per ASN: 12.58
LACNIC Region origin ASes announcing only one prefix: 1330
LACNIC Region transit ASes present in the Internet Routing Table: 722
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: 2664
Number of LACNIC addresses announced to Internet: 97303104
Equivalent to 5 /8s, 204 /16s and 186 /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: 10990
Total AfriNIC prefixes after maximum aggregation: 2356
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 14752
Unique aggregates announced from the AfriNIC address blocks: 4324
AfriNIC Region origin ASes present in the Internet Routing Table: 294
AfriNIC Prefixes per ASN: 50.18
AfriNIC Region origin ASes announcing only one prefix: 116
AfriNIC Region transit ASes present in the Internet Routing Table: 80
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: 157
Number of AfriNIC addresses announced to Internet: 46967296
Equivalent to 2 /8s, 204 /16s and 170 /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 10884 8756 96 CHINAMOBILE-CN China Mobile Communication
56046 1924 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1678 721 100 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1483 192 50 CMNET-HUNAN-AP China Mobile communication
7545 948 115 748 TPG-INTERNET-AP TPG Telecom Limited, AU
24547 864 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 801 51 374 LCS-AS-AP LARUS Limited, HK
24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 605 2170 465 SINET-AS Research Organization of Informa
24445 522 497 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 13544 40826 5182 AMAZON-02, US
22773 3343 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2764 210 1702 USDA-1, US
36352 2560 210 1126 AS-COLOCROSSING, US
367 2445 2912 1177 DNIC-ASBLK-00306-00371, US
7018 2072 22882 1525 ATT-INTERNET4, US
11776 1900 259 211 ATLANTICBB-JOHNSTOWN, US
6167 1887 3867 499 CELLCO-PART, US
209 1661 4889 271 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 1188 93 969 AKAMAI-ASN1, NL
3257 955 2078 769 GTT-BACKBONE GTT, US
3215 894 4818 289 France Telecom - Orange, FR
25019 814 1300 125 SAUDINETSTC-AS, SA
8452 779 1841 16 TE-AS TE-AS, EG
34984 675 74 405 TELLCOM-AS, TR
212238 638 46 564 CDNEXT, GB
203214 590 44 383 HULUMTELE, IQ
8376 576 53 21 Jordan Data Communications, JO
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 7389 1999 1006 UNINET, MX
11830 1987 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 1198 371 22 Telefonica del Peru S.A.A., PE
26615 1042 2503 52 TIM SA, BR
18881 884 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 647 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 1480 389 16 LINKdotNET-AS, EG
24835 1053 535 35 RAYA-AS, EG
29571 990 100 74 ORANGE-COTE-IVOIRE, CI
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36992 604 1228 124 ETISALAT-MISR, EG
36935 597 128 165 Vodafone-, EG
36914 550 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 452 208 317 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 13544 40826 5182 AMAZON-02, US
9808 10884 8756 96 CHINAMOBILE-CN China Mobile Communication
8151 7389 1999 1006 UNINET, MX
22773 3343 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
4155 2764 210 1702 USDA-1, US
36352 2560 210 1126 AS-COLOCROSSING, US
367 2445 2912 1177 DNIC-ASBLK-00306-00371, US
7018 2072 22882 1525 ATT-INTERNET4, US
11830 1987 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 10884 10788 CHINAMOBILE-CN China Mobile Communications Grou
8151 7389 6383 UNINET, MX
22773 3343 3177 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1987 1923 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
56046 1924 1737 CMNET-JIANGSU-AP China Mobile communications co
11776 1900 1689 ATLANTICBB-JOHNSTOWN, US
56041 1678 1578 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1480 1464 LINKdotNET-AS, EG
36352 2560 1434 AS-COLOCROSSING, US
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 /10:30 /11:41 /12:149
/13:209 /14:573 /15:1101 /16:7646 /17:3442 /18:4244
/19:7683 /20:12673 /21:15413 /22:27888 /23:28132 /24:157057
/25:62 /26:82 /27:36 /28:13 /29:16 /30:10
/31:1 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3967 7389 UNINET, MX
22773 2494 3343 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2383 13544 AMAZON-02, US
11830 1690 1987 Instituto Costarricense de Electricidad y Telecom., CR
10620 1081 1902 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 1037 2560 AS-COLOCROSSING, US
19901 983 1273 BRSPD-PUBLIC, US
209 964 1661 CENTURYLINK-US-LEGACY-QWEST, US
11776 883 1900 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:19 2:475 3:792 4:5 5:790 6:155
7:6 8:678 11:171 12:993 13:375 14:255
15:308 16:247 17:7 18:888 20:185 21:4
22:188 23:2617 24:641 27:75 29:19 31:515
32:11 33:1 34:10 35:139 36:1874 37:1012
38:1912 39:552 40:51 41:982 42:21 43:206
44:42 45:3640 46:944 47:92 49:20 50:368
51:387 52:1402 54:314 55:1098 56:11 57:20
58:16 59:37 60:124 61:80 62:537 63:753
64:1946 65:1083 66:1545 67:974 68:421 69:1127
70:416 71:200 72:731 74:949 75:321 76:256
77:483 78:355 79:236 80:310 81:388 82:713
83:231 84:337 85:428 86:231 87:207 88:290
89:854 90:104 91:931 92:637 93:485 94:931
95:747 96:290 97:60 98:455 99:182 100:35
101:22 102:344 103:1224 104:1625 105:214 106:3
107:1529 108:552 109:406 110:90 111:1919 112:499
113:39 114:40 115:45 116:62 117:1044 118:80
119:89 120:1274 121:43 122:64 123:135 124:67
125:27 128:500 129:397 130:694 131:920 132:572
133:211 134:487 135:116 136:607 137:509 138:900
139:431 140:699 141:462 142:1058 143:696 144:431
145:136 146:689 147:512 148:879 149:760 150:352
151:633 152:489 153:129 154:1680 155:870 156:1381
157:390 158:560 159:741 160:811 161:640 162:1022
163:431 164:719 165:782 166:791 167:657 168:1110
169:156 170:1547 171:122 172:1375 173:845 174:253
175:62 176:781 177:777 178:503 179:680 180:46
181:1817 182:29 183:968 184:452 185:3483 186:2071
187:1434 188:830 189:1753 190:4183 191:447 192:5212
193:1878 194:1226 195:929 196:681 197:1558 198:2749
199:4953 200:3640 201:3255 202:1033 203:841 204:2181
205:1958 206:1551 207:1539 208:1437 209:1927 210:303
211:422 212:1026 213:777 214:980 215:42 216:2803
217:429 218:525 219:18 220:114 221:361 222:31
223:821
End of report
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