[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Mar 8 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sat 08 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: 260592
Prefixes after maximum aggregation (per Origin AS): 112505
Deaggregation factor: 2.32
Unique aggregates announced (without unneeded subnets): 134781
Number of IPv4 prefixes with a valid ROA: 117561
Number of IPv4 prefixes with an invalid ROA: 23
Number of IPv4 prefixes with no ROA: 143008
Total ASes present in the Internet Routing Table: 20201
Prefixes per ASN: 12.90
Origin-only ASes present in the Internet Routing Table: 17375
Origin ASes announcing only one prefix: 7722
Transit ASes present in the Internet Routing Table: 2826
Transit-only ASes present in the Internet Routing Table: 727
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: 269
Number of instances of unregistered ASNs: 270
Number of 32-bit ASNs allocated by the RIRs: 46184
Number of 32-bit ASNs visible in the Routing Table: 7906
Prefixes from 32-bit ASNs in the Routing Table: 29507
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: 111
Number of addresses announced to Internet: 1556111869
Equivalent to 92 /8s, 192 /16s and 97 /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: 82679
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32391
Total APNIC prefixes after maximum aggregation: 7885
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 31266
Unique aggregates announced from the APNIC address blocks: 8653
APNIC Region origin ASes present in the Internet Routing Table: 1197
APNIC Prefixes per ASN: 26.12
APNIC Region origin ASes announcing only one prefix: 468
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: 543
Number of APNIC addresses announced to Internet: 170903916
Equivalent to 10 /8s, 47 /16s and 201 /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: 120265
Total ARIN prefixes after maximum aggregation: 61659
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 118148
Unique aggregates announced from the ARIN address blocks: 62931
ARIN Region origin ASes present in the Internet Routing Table: 9193
ARIN Prefixes per ASN: 12.85
ARIN Region origin ASes announcing only one prefix: 3839
ARIN Region transit ASes present in the Internet Routing Table: 855
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: 2100
Number of ARIN addresses announced to Internet: 961258753
Equivalent to 57 /8s, 75 /16s and 165 /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: 45722
Total RIPE prefixes after maximum aggregation: 24757
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 47421
Unique aggregates announced from the RIPE address blocks: 34420
RIPE Region origin ASes present in the Internet Routing Table: 4375
RIPE Prefixes per ASN: 10.84
RIPE Region origin ASes announcing only one prefix: 1814
RIPE Region transit ASes present in the Internet Routing Table: 666
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: 1739
Number of RIPE addresses announced to Internet: 280942416
Equivalent to 16 /8s, 190 /16s and 215 /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: 51382
Total LACNIC prefixes after maximum aggregation: 15437
LACNIC Deaggregation factor: 3.33
Prefixes being announced from the LACNIC address blocks: 50085
Unique aggregates announced from the LACNIC address blocks: 23797
LACNIC Region origin ASes present in the Internet Routing Table: 4311
LACNIC Prefixes per ASN: 11.62
LACNIC Region origin ASes announcing only one prefix: 1485
LACNIC Region transit ASes present in the Internet Routing Table: 871
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: 3376
Number of LACNIC addresses announced to Internet: 100750656
Equivalent to 6 /8s, 1 /16s and 85 /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: 2568
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 13561
Unique aggregates announced from the AfriNIC address blocks: 4870
AfriNIC Region origin ASes present in the Internet Routing Table: 280
AfriNIC Prefixes per ASN: 48.43
AfriNIC Region origin ASes announcing only one prefix: 116
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: 148
Number of AfriNIC addresses announced to Internet: 42207232
Equivalent to 2 /8s, 132 /16s and 8 /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 12956 39646 3934 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2466 182 1492 USDA-1, US
367 2456 2914 1186 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 745 77 436 TELLCOM-AS, TR
25019 700 1290 134 SAUDINETSTC-AS, SA
8452 674 1842 17 TE-AS TE-AS, EG
8376 574 54 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
212238 555 40 491 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 7226 1978 949 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 1203 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 632 90 52 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 836 509 46 RAYA-AS, EG
36935 714 522 48 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 583 1031 15 MOBINIL, EG
36914 535 82 3 KENET-AS, KE
36903 396 185 290 MT-MPLS, MA
2018 380 319 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 12956 39646 3934 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7226 1978 949 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2466 182 1492 USDA-1, US
367 2456 2914 1186 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 7226 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 /16:7574 /17:3341 /18:4205
/19:7670 /20:12553 /21:15407 /22:27963 /23:27467 /24:152069
/25:51 /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 7226 UNINET, MX
22773 2516 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 12956 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)
----------------------------------------------
1:75 2:489 3:574 4:5 5:911 6:154
7:5 8:628 11:171 12:996 13:290 14:143
15:300 16:235 17:5 18:893 20:173 21:4
22:188 23:2237 24:957 27:24 29:19 31:366
32:17 34:10 35:131 36:1240 37:583 38:2198
39:541 40:54 41:958 42:211 43:189 44:26
45:3905 46:894 47:84 49:81 50:334 51:372
52:1388 54:278 55:865 56:9 57:18 58:31
59:25 60:16 61:77 62:518 63:772 64:1800
65:1053 66:1567 67:959 68:413 69:1151 70:443
71:200 72:725 74:960 75:420 76:242 77:454
78:331 79:264 80:267 81:321 82:613 83:225
84:321 85:566 86:224 87:242 88:251 89:724
90:98 91:937 92:616 93:360 94:739 95:607
96:249 97:66 98:452 99:163 100:36 101:26
102:331 103:1210 104:1106 105:131 106:65 107:1107
108:504 109:353 110:59 111:1913 112:463 113:40
114:67 115:19 116:48 117:1050 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
134:463 135:115 136:519 137:495 138:1021 139:407
140:705 141:425 142:910 143:703 144:408 145:69
146:666 147:502 148:836 149:667 150:370 151:672
152:509 153:124 154:1450 155:766 156:1343 157:367
158:471 159:658 160:874 161:660 162:940 163:338
164:729 165:756 166:616 167:634 168:1495 169:144
170:1638 171:121 172:1143 173:780 174:232 175:66
176:640 177:1122 178:497 179:796 180:69 181:1859
182:52 183:873 184:495 185:3169 186:2455 187:1443
188:722 189:1768 190:5173 191:460 192:4774 193:1666
194:1138 195:887 196:639 197:1523 198:2553 199:4787
200:4067 201:3418 202:993 203:702 204:2092 205:1976
206:1548 207:1491 208:1327 209:1910 210:316 211:425
212:917 213:766 214:1015 215:36 216:2466 217:416
218:523 219:22 220:30 221:301 222:30 223:736
End of report
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