[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jan 21 20:17:02 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 21 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: 257167
Prefixes after maximum aggregation (per Origin AS): 111785
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135326
Number of IPv4 prefixes with a valid ROA: 113815
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 143334
Total ASes present in the Internet Routing Table: 20018
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 17159
Origin ASes announcing only one prefix: 7674
Transit ASes present in the Internet Routing Table: 2859
Transit-only ASes present in the Internet Routing Table: 768
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: 315
Number of instances of unregistered ASNs: 316
Number of 32-bit ASNs allocated by the RIRs: 46055
Number of 32-bit ASNs visible in the Routing Table: 7827
Prefixes from 32-bit ASNs in the Routing Table: 29765
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: 158
Number of addresses announced to Internet: 1530410525
Equivalent to 91 /8s, 56 /16s and 54 /24s
Percentage of available address space announced: 41.3
Percentage of allocated address space announced: 41.3
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: 81228
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31881
Total APNIC prefixes after maximum aggregation: 7753
APNIC Deaggregation factor: 4.11
Prefixes being announced from the APNIC address blocks: 30688
Unique aggregates announced from the APNIC address blocks: 8197
APNIC Region origin ASes present in the Internet Routing Table: 1132
APNIC Prefixes per ASN: 27.11
APNIC Region origin ASes announcing only one prefix: 428
APNIC Region transit ASes present in the Internet Routing Table: 223
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: 489
Number of APNIC addresses announced to Internet: 170663020
Equivalent to 10 /8s, 44 /16s and 28 /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: 119160
Total ARIN prefixes after maximum aggregation: 61303
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117346
Unique aggregates announced from the ARIN address blocks: 62715
ARIN Region origin ASes present in the Internet Routing Table: 9060
ARIN Prefixes per ASN: 12.95
ARIN Region origin ASes announcing only one prefix: 3793
ARIN Region transit ASes present in the Internet Routing Table: 843
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: 2041
Number of ARIN addresses announced to Internet: 958549633
Equivalent to 57 /8s, 34 /16s and 78 /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: 44841
Total RIPE prefixes after maximum aggregation: 24489
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 46459
Unique aggregates announced from the RIPE address blocks: 34321
RIPE Region origin ASes present in the Internet Routing Table: 4313
RIPE Prefixes per ASN: 10.77
RIPE Region origin ASes announcing only one prefix: 1822
RIPE Region transit ASes present in the Internet Routing Table: 647
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: 1735
Number of RIPE addresses announced to Internet: 262351344
Equivalent to 15 /8s, 163 /16s and 41 /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: 50015
Total LACNIC prefixes after maximum aggregation: 14971
LACNIC Deaggregation factor: 3.34
Prefixes being announced from the LACNIC address blocks: 48821
Unique aggregates announced from the LACNIC address blocks: 22914
LACNIC Region origin ASes present in the Internet Routing Table: 4305
LACNIC Prefixes per ASN: 11.34
LACNIC Region origin ASes announcing only one prefix: 1503
LACNIC Region transit ASes present in the Internet Routing Table: 916
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: 3408
Number of LACNIC addresses announced to Internet: 99265344
Equivalent to 5 /8s, 234 /16s and 171 /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: 10955
Total AfriNIC prefixes after maximum aggregation: 3045
AfriNIC Deaggregation factor: 3.60
Prefixes being announced from the AfriNIC address blocks: 13695
Unique aggregates announced from the AfriNIC address blocks: 7048
AfriNIC Region origin ASes present in the Internet Routing Table: 305
AfriNIC Prefixes per ASN: 44.90
AfriNIC Region origin ASes announcing only one prefix: 128
AfriNIC Region transit ASes present in the Internet Routing Table: 81
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: 39508736
Equivalent to 2 /8s, 90 /16s and 219 /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 10141 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1568 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1537 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 828 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 567 36 382 LCS-AS-AP LARUS Limited, HK
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 12579 38853 3707 AMAZON-02, US
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2525 3015 1212 DNIC-ASBLK-00306-00371, US
7018 2497 23068 1771 ATT-INTERNET4, US
4155 2322 165 1406 USDA-1, US
36352 1929 167 856 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1761 3433 444 CELLCO-PART, US
209 1660 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 1872 126 49 ALJAWWALSTC-AS, SA
20940 1255 98 1003 AKAMAI-ASN1, NL
3215 888 4814 286 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 616 1756 124 TE-AS TE-AS, EG
25019 616 1007 132 SAUDINETSTC-AS, SA
8376 589 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 545 39 485 CDNEXT, GB
47524 478 70 218 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 6028 1696 785 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1682 251 1193 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1106 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 640 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
262907 557 21 39 BRASIL TECPAR | AMIGO | AVATO, 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 1542 389 18 LINKdotNET-AS, EG
29571 1200 82 384 ORANGE-COTE-IVOIRE, CI
20011 967 179 271 INTERNET-SOLUTIONS, ZA
24835 799 381 135 RAYA-AS, EG
37069 607 1031 15 MOBINIL, EG
36992 585 982 267 ETISALAT-MISR, EG
36935 551 120 162 Vodafone-, EG
36914 545 82 3 KENET-AS, KE
36903 447 210 308 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 12579 38853 3707 AMAZON-02, US
9808 10141 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6028 1696 785 UNINET, MX
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2525 3015 1212 DNIC-ASBLK-00306-00371, US
7018 2497 23068 1771 ATT-INTERNET4, US
4155 2322 165 1406 USDA-1, US
11830 1993 369 64 Instituto Costarricense de Electricidad y
36352 1929 167 856 AS-COLOCROSSING, US
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 10141 10054 CHINAMOBILE-CN China Mobile Communications Grou
8151 6028 5243 UNINET, MX
22773 3376 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1872 1823 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
24863 1542 1524 LINKdotNET-AS, EG
56041 1537 1459 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1568 1389 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 /11:39 /12:146
/13:208 /14:558 /15:1094 /16:7536 /17:3416 /18:4095
/19:7533 /20:12270 /21:15051 /22:27495 /23:27395 /24:150085
/25:42 /26:68 /27:38 /28:17 /29:15 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3203 6028 UNINET, MX
22773 2516 3376 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2247 12579 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
39891 1017 1872 ALJAWWALSTC-AS, SA
7018 987 2497 ATT-INTERNET4, US
209 946 1660 CENTURYLINK-US-LEGACY-QWEST, US
10620 935 1682 Telmex Colombia S.A., CO
19901 905 1108 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 2:477 3:544 4:5 5:767 6:152
7:5 8:661 11:171 12:979 13:295 14:111
15:295 16:233 17:5 18:872 20:152 21:4
22:188 23:2324 24:691 27:37 29:19 31:424
32:19 34:7 35:108 36:1225 37:557 38:2052
39:538 40:53 41:1023 42:209 43:181 44:33
45:3714 46:958 47:88 49:28 50:358 51:373
52:1386 54:286 55:1026 56:8 57:16 58:32
59:29 60:16 61:76 62:534 63:767 64:1746
65:1095 66:1505 67:933 68:444 69:1161 70:432
71:201 72:653 74:901 75:431 76:255 77:415
78:295 79:281 80:260 81:339 82:354 83:194
84:315 85:453 86:215 87:229 88:260 89:577
90:62 91:979 92:631 93:443 94:845 95:541
96:219 97:55 98:469 99:163 100:36 101:28
102:345 103:959 104:1101 105:213 106:36 107:1411
108:488 109:377 110:32 111:1913 112:457 113:49
114:50 115:40 116:57 117:1047 118:180 119:131
120:1164 121:40 122:125 123:149 124:54 125:23
128:449 129:274 130:659 131:936 132:561 133:212
134:457 135:112 136:584 137:542 138:1009 139:393
140:694 141:449 142:912 143:681 144:404 145:77
146:640 147:494 148:749 149:635 150:369 151:682
152:693 153:130 154:1268 155:756 156:1347 157:372
158:486 159:678 160:920 161:591 162:921 163:350
164:719 165:803 166:607 167:650 168:1558 169:144
170:1647 171:100 172:1158 173:765 174:229 175:48
176:401 177:1293 178:488 179:832 180:73 181:1912
182:43 183:873 184:452 185:3124 186:2371 187:1220
188:770 189:1494 190:5001 191:510 192:4920 193:1682
194:1116 195:857 196:752 197:1695 198:2550 199:4596
200:3919 201:3315 202:1044 203:683 204:2064 205:1982
206:1573 207:1433 208:1294 209:1908 210:312 211:427
212:954 213:705 214:1012 215:36 216:2418 217:417
218:521 219:22 220:25 221:301 222:30 223:724
End of report
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