[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 26 20:17:05 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 26 Feb, 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: 256786
Prefixes after maximum aggregation (per Origin AS): 111794
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133517
Number of IPv4 prefixes with a valid ROA: 115420
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 141344
Total ASes present in the Internet Routing Table: 20085
Prefixes per ASN: 12.78
Origin-only ASes present in the Internet Routing Table: 17246
Origin ASes announcing only one prefix: 7650
Transit ASes present in the Internet Routing Table: 2839
Transit-only ASes present in the Internet Routing Table: 742
Paths with bogon ASNs present in the IPv4 Routing Table: 6
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: 293
Number of instances of unregistered ASNs: 294
Number of 32-bit ASNs allocated by the RIRs: 46200
Number of 32-bit ASNs visible in the Routing Table: 7864
Prefixes from 32-bit ASNs in the Routing Table: 29136
Number of bogon 32-bit ASNs visible in the Routing Table: 4
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 139
Number of addresses announced to Internet: 1557462269
Equivalent to 92 /8s, 212 /16s and 252 /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: 81574
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31661
Total APNIC prefixes after maximum aggregation: 7584
APNIC Deaggregation factor: 4.17
Prefixes being announced from the APNIC address blocks: 30917
Unique aggregates announced from the APNIC address blocks: 8366
APNIC Region origin ASes present in the Internet Routing Table: 1200
APNIC Prefixes per ASN: 25.76
APNIC Region origin ASes announcing only one prefix: 474
APNIC Region transit ASes present in the Internet Routing Table: 215
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: 547
Number of APNIC addresses announced to Internet: 170443884
Equivalent to 10 /8s, 40 /16s and 196 /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: 119181
Total ARIN prefixes after maximum aggregation: 61183
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117103
Unique aggregates announced from the ARIN address blocks: 61821
ARIN Region origin ASes present in the Internet Routing Table: 9075
ARIN Prefixes per ASN: 12.90
ARIN Region origin ASes announcing only one prefix: 3786
ARIN Region transit ASes present in the Internet Routing Table: 844
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: 2073
Number of ARIN addresses announced to Internet: 958693633
Equivalent to 57 /8s, 36 /16s and 129 /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: 46184
Total RIPE prefixes after maximum aggregation: 25197
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47814
Unique aggregates announced from the RIPE address blocks: 35600
RIPE Region origin ASes present in the Internet Routing Table: 4475
RIPE Prefixes per ASN: 10.68
RIPE Region origin ASes announcing only one prefix: 1846
RIPE Region transit ASes present in the Internet Routing Table: 673
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: 1808
Number of RIPE addresses announced to Internet: 286950736
Equivalent to 17 /8s, 26 /16s and 133 /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: 49044
Total LACNIC prefixes after maximum aggregation: 15103
LACNIC Deaggregation factor: 3.25
Prefixes being announced from the LACNIC address blocks: 47879
Unique aggregates announced from the LACNIC address blocks: 23320
LACNIC Region origin ASes present in the Internet Routing Table: 4187
LACNIC Prefixes per ASN: 11.44
LACNIC Region origin ASes announcing only one prefix: 1422
LACNIC Region transit ASes present in the Internet Routing Table: 879
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: 3282
Number of LACNIC addresses announced to Internet: 98947136
Equivalent to 5 /8s, 229 /16s and 208 /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: 10423
Total AfriNIC prefixes after maximum aggregation: 2524
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 12934
Unique aggregates announced from the AfriNIC address blocks: 4293
AfriNIC Region origin ASes present in the Internet Routing Table: 283
AfriNIC Prefixes per ASN: 45.70
AfriNIC Region origin ASes announcing only one prefix: 122
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 154
Number of AfriNIC addresses announced to Internet: 42364416
Equivalent to 2 /8s, 134 /16s and 110 /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 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1575 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 192 53 CMNET-HUNAN-AP China Mobile communication
24547 835 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 493 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 473 759 139 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 470 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 12760 39185 3783 AMAZON-02, US
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2526 2914 1240 DNIC-ASBLK-00306-00371, US
4155 2377 172 1443 USDA-1, US
7018 2263 22928 1610 ATT-INTERNET4, US
11776 1878 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1786 3543 463 CELLCO-PART, US
209 1676 4890 282 CENTURYLINK-US-LEGACY-QWEST, US
20057 1420 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 1286 99 1017 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
8452 819 1842 17 TE-AS TE-AS, EG
3257 791 2069 693 GTT-BACKBONE GTT, US
34984 745 77 435 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8376 583 54 24 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 527 39 464 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 6076 1688 933 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1753 261 1242 Telmex Colombia S.A., CO
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1156 371 22 Telefonica del Peru S.A.A., PE
26615 1011 2503 53 TIM SA, BR
18881 875 1127 31 TELEFONICA BRASIL S.A, BR
28006 642 77 293 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 1473 389 16 LINKdotNET-AS, EG
29571 1127 80 382 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 775 465 44 RAYA-AS, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36935 590 522 44 Vodafone-, EG
36914 523 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 374 319 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 12760 39185 3783 AMAZON-02, US
9808 10142 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6076 1688 933 UNINET, MX
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2526 2914 1240 DNIC-ASBLK-00306-00371, US
4155 2377 172 1443 USDA-1, US
7018 2263 22928 1610 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 10142 10055 CHINAMOBILE-CN China Mobile Communications Grou
8151 6076 5143 UNINET, MX
22773 3366 3191 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1878 1661 ATLANTICBB-JOHNSTOWN, US
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1473 1457 LINKdotNET-AS, EG
56047 1503 1450 CMNET-HUNAN-AP China Mobile communications corp
56046 1575 1396 CMNET-JIANGSU-AP China Mobile communications co
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
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
23.135.76.0/24 Origin: 2914 NTT-DATA-2914, US
23.135.76.0/24 Transit: 6453 AS6453, US
23.135.84.0/24 Origin: 2914 NTT-DATA-2914, US
23.135.84.0/24 Transit: 6453 AS6453, US
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
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 /14:578 /15:1104 /16:7602 /17:3330 /18:4157
/19:7519 /20:12276 /21:14939 /22:27553 /23:26999 /24:150051
/25:51 /26:75 /27:36 /28:17 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3254 6076 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2278 12760 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 982 1753 Telmex Colombia S.A., CO
209 967 1676 CENTURYLINK-US-LEGACY-QWEST, US
19901 922 1148 BRSPD-PUBLIC, US
11776 881 1878 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)
----------------------------------------------
1:39 2:493 3:568 4:5 5:792 6:154
7:5 8:632 11:171 12:985 13:293 14:117
15:299 16:237 17:5 18:882 20:126 21:4
22:188 23:2242 24:673 27:24 29:19 31:382
32:17 34:11 35:129 36:1243 37:602 38:2040
39:540 40:54 41:981 42:211 43:189 44:25
45:3793 46:935 47:86 49:29 50:338 51:372
52:1384 54:279 55:1067 56:9 57:18 58:5
59:28 60:16 61:77 62:529 63:763 64:1766
65:1060 66:1541 67:962 68:413 69:1166 70:437
71:200 72:714 74:943 75:419 76:235 77:459
78:338 79:270 80:259 81:332 82:586 83:220
84:337 85:578 86:227 87:253 88:247 89:736
90:96 91:934 92:629 93:369 94:760 95:622
96:250 97:67 98:453 99:164 100:36 101:28
102:329 103:1187 104:1058 105:210 106:35 107:1116
108:501 109:386 110:31 111:1910 112:460 113:51
114:48 115:29 116:52 117:1040 118:162 119:123
120:1168 121:42 122:111 123:143 124:57 125:24
128:478 129:281 130:660 131:906 132:577 133:212
134:484 135:115 136:574 137:510 138:995 139:401
140:700 141:426 142:914 143:714 144:412 145:70
146:649 147:473 148:796 149:652 150:366 151:664
152:522 153:124 154:1042 155:763 156:1108 157:370
158:506 159:657 160:879 161:655 162:931 163:339
164:729 165:763 166:607 167:632 168:1505 169:141
170:1643 171:122 172:1131 173:799 174:232 175:67
176:631 177:1107 178:511 179:816 180:70 181:1821
182:38 183:874 184:487 185:3336 186:2389 187:1351
188:717 189:1507 190:5033 191:482 192:4778 193:1728
194:1159 195:902 196:637 197:1496 198:2526 199:4694
200:3927 201:3312 202:977 203:695 204:2092 205:1973
206:1542 207:1459 208:1306 209:1887 210:315 211:425
212:926 213:778 214:1013 215:36 216:2434 217:437
218:523 219:21 220:30 221:301 222:30 223:742
End of report
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