[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 9 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 09 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: 261597
Prefixes after maximum aggregation (per Origin AS): 113306
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 135760
Number of IPv4 prefixes with a valid ROA: 118174
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 143401
Total ASes present in the Internet Routing Table: 20394
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17557
Origin ASes announcing only one prefix: 7798
Transit ASes present in the Internet Routing Table: 2837
Transit-only ASes present in the Internet Routing Table: 723
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: 40
Max AS path prepend of ASN ( 37447) 36
Prefixes from unregistered ASNs in the Routing Table: 286
Number of instances of unregistered ASNs: 287
Number of 32-bit ASNs allocated by the RIRs: 46183
Number of 32-bit ASNs visible in the Routing Table: 7951
Prefixes from 32-bit ASNs in the Routing Table: 29721
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: 110
Number of addresses announced to Internet: 1556898557
Equivalent to 92 /8s, 204 /16s and 98 /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: 83413
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32306
Total APNIC prefixes after maximum aggregation: 7865
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31200
Unique aggregates announced from the APNIC address blocks: 8625
APNIC Region origin ASes present in the Internet Routing Table: 1194
APNIC Prefixes per ASN: 26.13
APNIC Region origin ASes announcing only one prefix: 466
APNIC Region transit ASes present in the Internet Routing Table: 219
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: 541
Number of APNIC addresses announced to Internet: 170891116
Equivalent to 10 /8s, 47 /16s and 151 /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: 121125
Total ARIN prefixes after maximum aggregation: 62273
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 119005
Unique aggregates announced from the ARIN address blocks: 63558
ARIN Region origin ASes present in the Internet Routing Table: 9388
ARIN Prefixes per ASN: 12.68
ARIN Region origin ASes announcing only one prefix: 3938
ARIN Region transit ASes present in the Internet Routing Table: 858
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: 2150
Number of ARIN addresses announced to Internet: 961909249
Equivalent to 57 /8s, 85 /16s and 146 /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: 46040
Total RIPE prefixes after maximum aggregation: 24937
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 47759
Unique aggregates announced from the RIPE address blocks: 34763
RIPE Region origin ASes present in the Internet Routing Table: 4384
RIPE Prefixes per ASN: 10.89
RIPE Region origin ASes announcing only one prefix: 1809
RIPE Region transit ASes present in the Internet Routing Table: 670
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: 1742
Number of RIPE addresses announced to Internet: 281119824
Equivalent to 16 /8s, 193 /16s and 140 /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: 51277
Total LACNIC prefixes after maximum aggregation: 15448
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 49987
Unique aggregates announced from the LACNIC address blocks: 23804
LACNIC Region origin ASes present in the Internet Routing Table: 4302
LACNIC Prefixes per ASN: 11.62
LACNIC Region origin ASes announcing only one prefix: 1472
LACNIC Region transit ASes present in the Internet Routing Table: 874
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: 3372
Number of LACNIC addresses announced to Internet: 100721216
Equivalent to 6 /8s, 0 /16s and 226 /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: 10563
Total AfriNIC prefixes after maximum aggregation: 2572
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 13536
Unique aggregates announced from the AfriNIC address blocks: 4901
AfriNIC Region origin ASes present in the Internet Routing Table: 277
AfriNIC Prefixes per ASN: 48.87
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 71
Average AfriNIC Region AS path length visible: 6.5
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 146
Number of AfriNIC addresses announced to Internet: 42208512
Equivalent to 2 /8s, 132 /16s and 13 /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 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1571 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 192 53 CMNET-HUNAN-AP China Mobile communication
24547 847 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 640 2170 465 SINET-AS Research Organization of Informa
24445 503 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 488 31 194 LCS-AS-AP LARUS Limited, HK
45102 477 779 141 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 12939 39644 3941 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2465 182 1494 USDA-1, US
367 2447 2897 1180 DNIC-ASBLK-00306-00371, US
7018 2254 22912 1605 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1788 3543 464 CELLCO-PART, US
209 1672 4890 280 CENTURYLINK-US-LEGACY-QWEST, US
20057 1423 1047 109 ATT-MOBILITY-LLC-AS20057, 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 1244 97 996 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
3257 791 2068 695 GTT-BACKBONE GTT, US
34984 749 77 439 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 629 1842 17 TE-AS TE-AS, EG
8376 573 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 564 41 496 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 7225 1978 948 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1756 261 1244 Telmex Colombia S.A., CO
3816 1328 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1204 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 870 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 1471 389 16 LINKdotNET-AS, EG
29571 1143 81 390 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 841 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 583 1031 15 MOBINIL, EG
36914 533 82 3 KENET-AS, KE
36903 396 185 290 MT-MPLS, MA
2018 379 319 71 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 12939 39644 3941 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7225 1978 948 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2465 182 1494 USDA-1, US
367 2447 2897 1180 DNIC-ASBLK-00306-00371, US
7018 2254 22912 1605 ATT-INTERNET4, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
39891 1936 130 50 ALJAWWALSTC-AS, SA
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 10139 10052 CHINAMOBILE-CN China Mobile Communications Grou
8151 7225 6277 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1877 1660 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1471 1455 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1672 1392 CENTURYLINK-US-LEGACY-QWEST, 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
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
41.77.208.0/22 Origin: 37475 RESERVED, ZZ
41.77.208.0/22 Transit: 15964 CAMNET-AS, CM
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 /11:43 /12:151
/13:221 /14:569 /15:1098 /16:7580 /17:3343 /18:4204
/19:7670 /20:12540 /21:15396 /22:27935 /23:27523 /24:153065
/25:49 /26:75 /27:36 /28:16 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3789 7225 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 12939 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 985 1756 Telmex Colombia S.A., CO
209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US
19901 921 1155 BRSPD-PUBLIC, US
11776 881 1877 ATLANTICBB-JOHNSTOWN, US
20011 868 980 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:63 2:489 3:573 4:5 5:914 6:153
7:5 8:634 11:171 12:998 13:283 14:145
15:300 16:235 17:5 18:892 20:173 21:4
22:188 23:2241 24:967 27:24 29:19 31:378
32:17 34:10 35:131 36:1241 37:597 38:2200
39:541 40:54 41:961 42:200 43:189 44:26
45:3936 46:915 47:84 49:51 50:575 51:372
52:1389 54:278 55:864 56:9 57:18 58:31
59:25 60:16 61:77 62:518 63:776 64:1815
65:1061 66:1577 67:960 68:413 69:1158 70:452
71:200 72:724 74:983 75:420 76:243 77:461
78:336 79:268 80:268 81:329 82:617 83:224
84:320 85:565 86:224 87:243 88:251 89:740
90:98 91:944 92:625 93:364 94:745 95:617
96:250 97:67 98:452 99:163 100:36 101:26
102:335 103:1206 104:1115 105:131 106:63 107:1123
108:515 109:362 110:59 111:1923 112:463 113:41
114:67 115:22 116:48 117:1050 118:163 119:125
120:1171 121:42 122:113 123:145 124:57 125:24
128:480 129:282 130:654 131:923 132:569 133:213
134:468 135:117 136:519 137:494 138:1031 139:411
140:704 141:425 142:912 143:705 144:407 145:69
146:667 147:502 148:834 149:667 150:370 151:674
152:505 153:124 154:1453 155:798 156:1348 157:369
158:482 159:663 160:875 161:662 162:950 163:338
164:729 165:761 166:615 167:639 168:1512 169:144
170:1650 171:120 172:1142 173:781 174:232 175:68
176:644 177:1145 178:503 179:806 180:69 181:1864
182:52 183:873 184:497 185:3301 186:2458 187:1443
188:723 189:1738 190:5166 191:462 192:4815 193:1686
194:1145 195:890 196:638 197:1523 198:2599 199:4807
200:4051 201:3391 202:995 203:702 204:2109 205:2003
206:1555 207:1492 208:1345 209:1928 210:315 211:425
212:913 213:770 214:1019 215:36 216:2479 217:428
218:522 219:22 220:30 221:301 222:30 223:738
End of report
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