[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jan 26 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 26 Jan, 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: 257041
Prefixes after maximum aggregation (per Origin AS): 111999
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135028
Number of IPv4 prefixes with a valid ROA: 114393
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 142629
Total ASes present in the Internet Routing Table: 19967
Prefixes per ASN: 12.87
Origin-only ASes present in the Internet Routing Table: 17126
Origin ASes announcing only one prefix: 7647
Transit ASes present in the Internet Routing Table: 2841
Transit-only ASes present in the Internet Routing Table: 738
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: 301
Number of instances of unregistered ASNs: 302
Number of 32-bit ASNs allocated by the RIRs: 46075
Number of 32-bit ASNs visible in the Routing Table: 7774
Prefixes from 32-bit ASNs in the Routing Table: 29615
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: 147
Number of addresses announced to Internet: 1532750333
Equivalent to 91 /8s, 91 /16s and 233 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 41.4
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: 81582
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31728
Total APNIC prefixes after maximum aggregation: 7760
APNIC Deaggregation factor: 4.09
Prefixes being announced from the APNIC address blocks: 30390
Unique aggregates announced from the APNIC address blocks: 8020
APNIC Region origin ASes present in the Internet Routing Table: 1104
APNIC Prefixes per ASN: 27.53
APNIC Region origin ASes announcing only one prefix: 423
APNIC Region transit ASes present in the Internet Routing Table: 226
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: 482
Number of APNIC addresses announced to Internet: 170826860
Equivalent to 10 /8s, 46 /16s and 156 /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, 131072-153913
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: 119537
Total ARIN prefixes after maximum aggregation: 61575
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117563
Unique aggregates announced from the ARIN address blocks: 62898
ARIN Region origin ASes present in the Internet Routing Table: 9084
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3815
ARIN Region transit ASes present in the Internet Routing Table: 848
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: 2053
Number of ARIN addresses announced to Internet: 958582401
Equivalent to 57 /8s, 34 /16s and 206 /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: 45241
Total RIPE prefixes after maximum aggregation: 24800
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 46890
Unique aggregates announced from the RIPE address blocks: 34786
RIPE Region origin ASes present in the Internet Routing Table: 4377
RIPE Prefixes per ASN: 10.71
RIPE Region origin ASes announcing only one prefix: 1831
RIPE Region transit ASes present in the Internet Routing Table: 660
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: 1751
Number of RIPE addresses announced to Internet: 262636752
Equivalent to 15 /8s, 167 /16s and 132 /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: 50036
Total LACNIC prefixes after maximum aggregation: 14992
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 48762
Unique aggregates announced from the LACNIC address blocks: 22927
LACNIC Region origin ASes present in the Internet Routing Table: 4238
LACNIC Prefixes per ASN: 11.51
LACNIC Region origin ASes announcing only one prefix: 1453
LACNIC Region transit ASes present in the Internet Routing Table: 893
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3339
Number of LACNIC addresses announced to Internet: 99818816
Equivalent to 5 /8s, 243 /16s and 29 /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: 10198
Total AfriNIC prefixes after maximum aggregation: 2657
AfriNIC Deaggregation factor: 3.84
Prefixes being announced from the AfriNIC address blocks: 13289
Unique aggregates announced from the AfriNIC address blocks: 6272
AfriNIC Region origin ASes present in the Internet Routing Table: 296
AfriNIC Prefixes per ASN: 44.90
AfriNIC Region origin ASes announcing only one prefix: 125
AfriNIC Region transit ASes present in the Internet Routing Table: 75
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: 149
Number of AfriNIC addresses announced to Internet: 40816640
Equivalent to 2 /8s, 110 /16s and 208 /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 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
17561 665 42 423 LCS-AS-AP LARUS Limited, HK
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 481 9343 152 GIGAINFRA SoftBank Corp., JP
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
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 12620 38871 3725 AMAZON-02, US
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2525 3013 1207 DNIC-ASBLK-00306-00371, US
7018 2516 23070 1781 ATT-INTERNET4, US
4155 2332 166 1411 USDA-1, US
36352 2153 179 958 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1757 3432 450 CELLCO-PART, US
209 1659 4893 288 CENTURYLINK-US-LEGACY-QWEST, 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 1243 97 995 AKAMAI-ASN1, NL
3215 892 4818 289 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 619 1756 124 TE-AS TE-AS, EG
25019 601 1007 132 SAUDINETSTC-AS, SA
8376 583 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 543 39 483 CDNEXT, GB
47524 477 70 220 AS-TURKSAT, TR
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 6188 1847 745 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1108 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 49 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 558 2888 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 1522 389 18 LINKdotNET-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 606 1031 15 MOBINIL, EG
36935 593 522 46 Vodafone-, EG
29571 577 54 325 ORANGE-COTE-IVOIRE, CI
36914 546 82 3 KENET-AS, KE
36903 396 185 288 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 12620 38871 3725 AMAZON-02, US
9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6188 1847 745 UNINET, MX
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2525 3013 1207 DNIC-ASBLK-00306-00371, US
7018 2516 23070 1781 ATT-INTERNET4, US
4155 2332 166 1411 USDA-1, US
36352 2153 179 958 AS-COLOCROSSING, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou
8151 6188 5443 UNINET, MX
22773 3377 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1522 1504 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1570 1391 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
23.140.16.0/24 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 /11:40 /12:146
/13:210 /14:565 /15:1093 /16:7537 /17:3392 /18:4132
/19:7560 /20:12250 /21:15051 /22:27524 /23:27469 /24:149809
/25:48 /26:77 /27:39 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3206 6188 UNINET, MX
22773 2516 3377 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2257 12620 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 991 1763 Telmex Colombia S.A., CO
7018 988 2516 ATT-INTERNET4, US
209 945 1659 CENTURYLINK-US-LEGACY-QWEST, US
19901 906 1112 BRSPD-PUBLIC, US
11776 895 1888 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:473 3:561 4:5 5:773 6:151
7:5 8:661 11:171 12:980 13:292 14:114
15:295 16:231 17:5 18:872 20:157 21:4
22:188 23:2347 24:689 27:30 29:19 31:437
32:19 34:7 35:112 36:1226 37:569 38:1949
39:540 40:53 41:965 42:209 43:164 44:34
45:3783 46:961 47:88 49:27 50:357 51:374
52:1387 54:286 55:1086 56:9 57:16 58:32
59:28 60:16 61:77 62:532 63:766 64:1822
65:1094 66:1571 67:945 68:432 69:1186 70:432
71:204 72:675 74:910 75:429 76:249 77:442
78:293 79:281 80:264 81:351 82:360 83:199
84:329 85:469 86:215 87:230 88:260 89:632
90:62 91:956 92:634 93:435 94:840 95:555
96:235 97:55 98:476 99:163 100:36 101:27
102:312 103:891 104:1147 105:223 106:36 107:1418
108:496 109:374 110:30 111:1909 112:458 113:39
114:49 115:24 116:53 117:1050 118:168 119:116
120:1165 121:40 122:124 123:149 124:54 125:25
128:447 129:281 130:659 131:922 132:556 133:212
134:434 135:113 136:587 137:489 138:1000 139:384
140:694 141:327 142:916 143:668 144:404 145:77
146:633 147:487 148:747 149:640 150:366 151:670
152:696 153:124 154:1318 155:765 156:1423 157:365
158:481 159:671 160:601 161:563 162:926 163:354
164:720 165:801 166:614 167:641 168:1565 169:148
170:1625 171:102 172:1168 173:777 174:231 175:36
176:413 177:1242 178:495 179:796 180:69 181:1911
182:36 183:874 184:456 185:3160 186:2394 187:1206
188:740 189:1483 190:5026 191:488 192:4923 193:1709
194:1127 195:866 196:717 197:1659 198:2564 199:4609
200:3949 201:3331 202:966 203:681 204:2073 205:1971
206:1576 207:1470 208:1292 209:1903 210:296 211:426
212:964 213:688 214:1001 215:36 216:2434 217:436
218:521 219:26 220:25 221:301 222:30 223:732
End of report
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