[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 5 20:17:03 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 05 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: 260534
Prefixes after maximum aggregation (per Origin AS): 112723
Deaggregation factor: 2.31
Unique aggregates announced (without unneeded subnets): 134923
Number of IPv4 prefixes with a valid ROA: 117372
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 143139
Total ASes present in the Internet Routing Table: 20193
Prefixes per ASN: 12.90
Origin-only ASes present in the Internet Routing Table: 17371
Origin ASes announcing only one prefix: 7711
Transit ASes present in the Internet Routing Table: 2822
Transit-only ASes present in the Internet Routing Table: 728
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: 271
Number of instances of unregistered ASNs: 272
Number of 32-bit ASNs allocated by the RIRs: 46211
Number of 32-bit ASNs visible in the Routing Table: 7900
Prefixes from 32-bit ASNs in the Routing Table: 29611
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: 115
Number of addresses announced to Internet: 1556124669
Equivalent to 92 /8s, 192 /16s and 147 /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: 82342
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32240
Total APNIC prefixes after maximum aggregation: 7771
APNIC Deaggregation factor: 4.15
Prefixes being announced from the APNIC address blocks: 31193
Unique aggregates announced from the APNIC address blocks: 8570
APNIC Region origin ASes present in the Internet Routing Table: 1191
APNIC Prefixes per ASN: 26.19
APNIC Region origin ASes announcing only one prefix: 463
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: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 539
Number of APNIC addresses announced to Internet: 170661996
Equivalent to 10 /8s, 44 /16s and 24 /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: 120732
Total ARIN prefixes after maximum aggregation: 61666
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 118567
Unique aggregates announced from the ARIN address blocks: 62696
ARIN Region origin ASes present in the Internet Routing Table: 9200
ARIN Prefixes per ASN: 12.89
ARIN Region origin ASes announcing only one prefix: 3830
ARIN Region transit ASes present in the Internet Routing Table: 851
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: 2104
Number of ARIN addresses announced to Internet: 961643777
Equivalent to 57 /8s, 81 /16s and 133 /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: 46047
Total RIPE prefixes after maximum aggregation: 25103
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47750
Unique aggregates announced from the RIPE address blocks: 34994
RIPE Region origin ASes present in the Internet Routing Table: 4409
RIPE Prefixes per ASN: 10.83
RIPE Region origin ASes announcing only one prefix: 1826
RIPE Region transit ASes present in the Internet Routing Table: 674
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: 1777
Number of RIPE addresses announced to Internet: 281108048
Equivalent to 16 /8s, 193 /16s and 94 /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: 50674
Total LACNIC prefixes after maximum aggregation: 15413
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 49402
Unique aggregates announced from the LACNIC address blocks: 23712
LACNIC Region origin ASes present in the Internet Routing Table: 4272
LACNIC Prefixes per ASN: 11.56
LACNIC Region origin ASes announcing only one prefix: 1480
LACNIC Region transit ASes present in the Internet Routing Table: 860
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: 3332
Number of LACNIC addresses announced to Internet: 100394304
Equivalent to 5 /8s, 251 /16s and 229 /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: 10570
Total AfriNIC prefixes after maximum aggregation: 2571
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 13507
Unique aggregates announced from the AfriNIC address blocks: 4837
AfriNIC Region origin ASes present in the Internet Routing Table: 275
AfriNIC Prefixes per ASN: 49.12
AfriNIC Region origin ASes announcing only one prefix: 112
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: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148
Number of AfriNIC addresses announced to Internet: 42266368
Equivalent to 2 /8s, 132 /16s and 239 /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
45102 477 779 141 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 469 8895 146 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 12993 39646 3947 AMAZON-02, US
22773 3368 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2493 2914 1209 DNIC-ASBLK-00306-00371, US
4155 2439 180 1482 USDA-1, US
7018 2257 22912 1607 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1788 3543 464 CELLCO-PART, US
209 1673 4890 280 CENTURYLINK-US-LEGACY-QWEST, US
20057 1422 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 4895 283 France Telecom - Orange, FR
3257 791 2068 694 GTT-BACKBONE GTT, US
34984 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 672 1842 17 TE-AS TE-AS, EG
8376 575 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 557 40 493 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 6700 1900 973 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1755 261 1244 Telmex Colombia S.A., CO
3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1168 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 875 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 1468 389 16 LINKdotNET-AS, EG
29571 1143 81 388 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 595 1039 16 MOBINIL, EG
36914 549 82 3 KENET-AS, KE
36903 410 192 297 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 12993 39646 3947 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6700 1900 973 UNINET, MX
22773 3368 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2493 2914 1209 DNIC-ASBLK-00306-00371, US
4155 2439 180 1482 USDA-1, US
7018 2257 22912 1607 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 6700 5727 UNINET, MX
22773 3368 3193 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 1468 1452 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
209 1673 1393 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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US
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
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 /16:7588 /17:3340 /18:4206
/19:7669 /20:12458 /21:15293 /22:27908 /23:27376 /24:152355
/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 3517 6700 UNINET, MX
22773 2510 3368 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 12993 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 984 1755 Telmex Colombia S.A., CO
209 967 1673 CENTURYLINK-US-LEGACY-QWEST, US
19901 924 1158 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)
----------------------------------------------
1:74 2:485 3:580 4:5 5:796 6:167
7:5 8:627 11:171 12:993 13:292 14:147
15:300 16:234 17:5 18:893 20:171 21:4
22:188 23:2229 24:668 27:27 29:19 31:344
32:17 34:10 35:130 36:1240 37:611 38:2174
39:541 40:54 41:961 42:211 43:196 44:25
45:3861 46:905 47:84 49:81 50:337 51:370
52:1391 54:278 55:1071 56:9 57:18 58:31
59:28 60:16 61:76 62:520 63:771 64:1803
65:1053 66:1561 67:964 68:414 69:1169 70:437
71:203 72:723 74:968 75:420 76:242 77:458
78:334 79:266 80:273 81:330 82:599 83:221
84:326 85:573 86:228 87:251 88:249 89:763
90:98 91:936 92:620 93:371 94:751 95:629
96:248 97:65 98:452 99:163 100:36 101:31
102:342 103:1216 104:1105 105:131 106:65 107:1114
108:501 109:367 110:59 111:1923 112:463 113:40
114:65 115:23 116:49 117:1044 118:173 119:123
120:1171 121:41 122:112 123:150 124:57 125:24
128:479 129:281 130:659 131:928 132:570 133:212
134:460 135:115 136:551 137:499 138:1020 139:413
140:705 141:424 142:908 143:779 144:403 145:69
146:663 147:529 148:823 149:664 150:397 151:744
152:517 153:124 154:1387 155:833 156:1340 157:368
158:473 159:668 160:877 161:658 162:949 163:353
164:727 165:769 166:614 167:634 168:1492 169:147
170:1663 171:125 172:1146 173:796 174:235 175:65
176:651 177:1154 178:506 179:799 180:69 181:1856
182:52 183:873 184:494 185:3314 186:2440 187:1401
188:728 189:1679 190:5144 191:464 192:4779 193:1687
194:1141 195:887 196:628 197:1533 198:2557 199:4767
200:4049 201:3330 202:960 203:702 204:2105 205:1985
206:1544 207:1489 208:1332 209:1920 210:321 211:425
212:920 213:760 214:1059 215:42 216:2456 217:427
218:523 219:22 220:31 221:301 222:30 223:737
End of report
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