[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 10 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 10 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: 263432
Prefixes after maximum aggregation (per Origin AS): 114610
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 137341
Number of IPv4 prefixes with a valid ROA: 119231
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 144177
Total ASes present in the Internet Routing Table: 20593
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 17740
Origin ASes announcing only one prefix: 7897
Transit ASes present in the Internet Routing Table: 2853
Transit-only ASes present in the Internet Routing Table: 717
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: 283
Number of instances of unregistered ASNs: 284
Number of 32-bit ASNs allocated by the RIRs: 46184
Number of 32-bit ASNs visible in the Routing Table: 8054
Prefixes from 32-bit ASNs in the Routing Table: 30751
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: 1565212413
Equivalent to 93 /8s, 75 /16s and 62 /24s
Percentage of available address space announced: 42.3
Percentage of allocated address space announced: 42.3
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: 84412
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32385
Total APNIC prefixes after maximum aggregation: 7897
APNIC Deaggregation factor: 4.10
Prefixes being announced from the APNIC address blocks: 31253
Unique aggregates announced from the APNIC address blocks: 8665
APNIC Region origin ASes present in the Internet Routing Table: 1203
APNIC Prefixes per ASN: 25.98
APNIC Region origin ASes announcing only one prefix: 472
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: 542
Number of APNIC addresses announced to Internet: 170901356
Equivalent to 10 /8s, 47 /16s and 191 /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: 121713
Total ARIN prefixes after maximum aggregation: 62526
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 119443
Unique aggregates announced from the ARIN address blocks: 63804
ARIN Region origin ASes present in the Internet Routing Table: 9402
ARIN Prefixes per ASN: 12.70
ARIN Region origin ASes announcing only one prefix: 3937
ARIN Region transit ASes present in the Internet Routing Table: 861
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: 2155
Number of ARIN addresses announced to Internet: 962368001
Equivalent to 57 /8s, 92 /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: 47631
Total RIPE prefixes after maximum aggregation: 25938
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 49599
Unique aggregates announced from the RIPE address blocks: 36226
RIPE Region origin ASes present in the Internet Routing Table: 4558
RIPE Prefixes per ASN: 10.88
RIPE Region origin ASes announcing only one prefix: 1886
RIPE Region transit ASes present in the Internet Routing Table: 676
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: 1824
Number of RIPE addresses announced to Internet: 289202000
Equivalent to 17 /8s, 60 /16s and 223 /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: 50893
Total LACNIC prefixes after maximum aggregation: 15488
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 49594
Unique aggregates announced from the LACNIC address blocks: 23818
LACNIC Region origin ASes present in the Internet Routing Table: 4317
LACNIC Prefixes per ASN: 11.49
LACNIC Region origin ASes announcing only one prefix: 1487
LACNIC Region transit ASes present in the Internet Routing Table: 881
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: 3385
Number of LACNIC addresses announced to Internet: 100473152
Equivalent to 5 /8s, 253 /16s and 25 /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: 10527
Total AfriNIC prefixes after maximum aggregation: 2551
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 13432
Unique aggregates announced from the AfriNIC address blocks: 4718
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 49.38
AfriNIC Region origin ASes announcing only one prefix: 115
AfriNIC Region transit ASes present in the Internet Routing Table: 72
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: 42219008
Equivalent to 2 /8s, 132 /16s and 54 /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.,
17561 475 30 190 LCS-AS-AP LARUS Limited, HK
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 12937 39641 3938 AMAZON-02, US
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2471 183 1498 USDA-1, US
367 2454 2915 1186 DNIC-ASBLK-00306-00371, US
7018 2215 22909 1581 ATT-INTERNET4, US
11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1789 3544 465 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 1269 99 1017 AKAMAI-ASN1, NL
3215 926 4894 282 France Telecom - Orange, FR
34984 884 86 481 TELLCOM-AS, TR
3257 780 2067 684 GTT-BACKBONE GTT, US
25019 699 1290 134 SAUDINETSTC-AS, SA
203214 589 47 358 HULUMTELE, IQ
51167 568 113 251 CONTABO, DE
8452 566 1842 17 TE-AS TE-AS, EG
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 6735 1910 979 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1749 259 1238 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 1013 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 1475 389 16 LINKdotNET-AS, EG
29571 1147 81 390 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 839 509 46 RAYA-AS, EG
36935 713 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 587 1031 15 MOBINIL, EG
36914 546 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 12937 39641 3938 AMAZON-02, US
9808 10139 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6735 1910 979 UNINET, MX
22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
4155 2471 183 1498 USDA-1, US
367 2454 2915 1186 DNIC-ASBLK-00306-00371, US
7018 2215 22909 1581 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 6735 5756 UNINET, MX
22773 3375 3200 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 1475 1459 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
/13:222 /14:575 /15:1102 /16:7632 /17:3359 /18:4230
/19:7700 /20:12543 /21:15358 /22:28132 /23:27684 /24:154442
/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 3530 6735 UNINET, MX
22773 2517 3375 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2343 12937 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 985 1749 Telmex Colombia S.A., CO
209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US
19901 923 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)
----------------------------------------------
1:63 2:503 3:582 4:5 5:925 6:153
7:5 8:632 11:171 12:997 13:283 14:145
15:300 16:241 17:5 18:887 20:173 21:4
22:188 23:2249 24:956 27:24 29:19 31:389
32:17 34:10 35:131 36:1241 37:1035 38:2200
39:541 40:54 41:958 42:211 43:192 44:26
45:3942 46:929 47:84 49:51 50:579 51:380
52:1388 54:277 55:849 56:9 57:18 58:31
59:26 60:16 61:77 62:523 63:777 64:1814
65:1091 66:1581 67:964 68:426 69:1167 70:453
71:200 72:729 74:983 75:420 76:243 77:463
78:337 79:267 80:271 81:331 82:627 83:227
84:340 85:579 86:225 87:243 88:255 89:773
90:100 91:927 92:629 93:359 94:748 95:643
96:250 97:67 98:452 99:162 100:36 101:30
102:334 103:1221 104:1123 105:131 106:63 107:1125
108:515 109:375 110:59 111:1924 112:463 113:41
114:66 115:23 116:48 117:1052 118:171 119:126
120:1171 121:42 122:112 123:147 124:57 125:25
128:483 129:283 130:658 131:918 132:570 133:213
134:472 135:117 136:521 137:504 138:1032 139:424
140:705 141:428 142:914 143:706 144:413 145:71
146:675 147:497 148:837 149:697 150:370 151:676
152:525 153:124 154:1449 155:814 156:1357 157:371
158:491 159:678 160:876 161:697 162:951 163:335
164:745 165:776 166:618 167:646 168:1521 169:144
170:1659 171:121 172:1151 173:784 174:232 175:67
176:726 177:1132 178:513 179:794 180:70 181:1861
182:52 183:873 184:497 185:3433 186:2496 187:1425
188:729 189:1706 190:5171 191:466 192:4838 193:1739
194:1182 195:904 196:626 197:1529 198:2606 199:4810
200:4049 201:3315 202:994 203:703 204:2116 205:2008
206:1554 207:1491 208:1344 209:1929 210:315 211:425
212:949 213:814 214:1052 215:36 216:2487 217:426
218:522 219:22 220:30 221:301 222:30 223:739
End of report
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