[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Feb 4 20:16:55 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 04 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: 262195
Prefixes after maximum aggregation (per Origin AS): 114299
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 138343
Number of IPv4 prefixes with a valid ROA: 117443
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 144733
Total ASes present in the Internet Routing Table: 20576
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 17726
Origin ASes announcing only one prefix: 7930
Transit ASes present in the Internet Routing Table: 2850
Transit-only ASes present in the Internet Routing Table: 726
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: 317
Number of instances of unregistered ASNs: 318
Number of 32-bit ASNs allocated by the RIRs: 46096
Number of 32-bit ASNs visible in the Routing Table: 7977
Prefixes from 32-bit ASNs in the Routing Table: 29832
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: 145
Number of addresses announced to Internet: 1596793085
Equivalent to 95 /8s, 45 /16s and 32 /24s
Percentage of available address space announced: 43.1
Percentage of allocated address space announced: 43.1
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: 84216
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31304
Total APNIC prefixes after maximum aggregation: 7708
APNIC Deaggregation factor: 4.06
Prefixes being announced from the APNIC address blocks: 30191
Unique aggregates announced from the APNIC address blocks: 8261
APNIC Region origin ASes present in the Internet Routing Table: 1130
APNIC Prefixes per ASN: 26.72
APNIC Region origin ASes announcing only one prefix: 429
APNIC Region transit ASes present in the Internet Routing Table: 221
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: 487
Number of APNIC addresses announced to Internet: 168527468
Equivalent to 10 /8s, 11 /16s and 134 /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: 122296
Total ARIN prefixes after maximum aggregation: 63201
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 120541
Unique aggregates announced from the ARIN address blocks: 64214
ARIN Region origin ASes present in the Internet Routing Table: 9557
ARIN Prefixes per ASN: 12.61
ARIN Region origin ASes announcing only one prefix: 4052
ARIN Region transit ASes present in the Internet Routing Table: 850
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2192
Number of ARIN addresses announced to Internet: 1023070337
Equivalent to 60 /8s, 250 /16s and 208 /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: 47158
Total RIPE prefixes after maximum aggregation: 25436
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 48598
Unique aggregates announced from the RIPE address blocks: 36008
RIPE Region origin ASes present in the Internet Routing Table: 4449
RIPE Prefixes per ASN: 10.92
RIPE Region origin ASes announcing only one prefix: 1851
RIPE Region transit ASes present in the Internet Routing Table: 672
Average RIPE Region AS path length visible: 5.7
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1786
Number of RIPE addresses announced to Internet: 264132560
Equivalent to 15 /8s, 190 /16s and 87 /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: 50589
Total LACNIC prefixes after maximum aggregation: 15050
LACNIC Deaggregation factor: 3.36
Prefixes being announced from the LACNIC address blocks: 49337
Unique aggregates announced from the LACNIC address blocks: 23362
LACNIC Region origin ASes present in the Internet Routing Table: 4275
LACNIC Prefixes per ASN: 11.54
LACNIC Region origin ASes announcing only one prefix: 1471
LACNIC Region transit ASes present in the Internet Routing Table: 896
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: 3357
Number of LACNIC addresses announced to Internet: 100481600
Equivalent to 5 /8s, 253 /16s and 58 /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: 10531
Total AfriNIC prefixes after maximum aggregation: 2674
AfriNIC Deaggregation factor: 3.94
Prefixes being announced from the AfriNIC address blocks: 13383
Unique aggregates announced from the AfriNIC address blocks: 6375
AfriNIC Region origin ASes present in the Internet Routing Table: 296
AfriNIC Prefixes per ASN: 45.21
AfriNIC Region origin ASes announcing only one prefix: 127
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: 155
Number of AfriNIC addresses announced to Internet: 40514560
Equivalent to 2 /8s, 106 /16s and 52 /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 10148 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
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 572 37 404 LCS-AS-AP LARUS Limited, HK
24445 469 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 465 741 134 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 12678 38938 3755 AMAZON-02, US
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2550 3013 1225 DNIC-ASBLK-00306-00371, US
7018 2534 23074 1799 ATT-INTERNET4, US
4155 2353 170 1433 USDA-1, US
36352 2111 178 959 AS-COLOCROSSING, US
11776 1890 257 214 ATLANTICBB-JOHNSTOWN, US
6167 1738 3431 441 CELLCO-PART, US
209 1683 4890 286 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 1236 96 988 AKAMAI-ASN1, NL
3215 891 4818 289 France Telecom - Orange, FR
3257 791 2069 694 GTT-BACKBONE GTT, US
62240 744 50 333 CLOUVIDER Clouvider - Global ASN, GB
25019 647 1024 134 SAUDINETSTC-AS, SA
8452 617 1756 123 TE-AS TE-AS, EG
8376 582 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 557 40 493 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 6446 1769 779 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1764 262 1244 Telmex Colombia S.A., CO
3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1103 371 22 Telefonica del Peru S.A.A., PE
26615 1003 2503 53 TIM SA, BR
18881 862 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 50 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 560 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 1501 389 16 LINKdotNET-AS, EG
29571 1105 78 367 ORANGE-COTE-IVOIRE, CI
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 592 522 53 Vodafone-, EG
36914 548 82 3 KENET-AS, KE
36903 381 179 279 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 12678 38938 3755 AMAZON-02, US
9808 10148 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6446 1769 779 UNINET, MX
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2550 3013 1225 DNIC-ASBLK-00306-00371, US
7018 2534 23074 1799 ATT-INTERNET4, US
4155 2353 170 1433 USDA-1, US
36352 2111 178 959 AS-COLOCROSSING, US
11830 1991 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 10148 10061 CHINAMOBILE-CN China Mobile Communications Grou
8151 6446 5667 UNINET, MX
22773 3377 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1890 1676 ATLANTICBB-JOHNSTOWN, US
24863 1501 1485 LINKdotNET-AS, EG
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
209 1683 1397 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
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 /8:14 /9:11 /10:31 /11:48 /12:153
/13:215 /14:566 /15:1089 /16:7542 /17:3412 /18:4144
/19:7577 /20:12658 /21:15209 /22:27909 /23:27671 /24:153736
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3431 6446 UNINET, MX
22773 2516 3377 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2277 12678 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 1001 2534 ATT-INTERNET4, US
10620 992 1764 Telmex Colombia S.A., CO
209 970 1683 CENTURYLINK-US-LEGACY-QWEST, US
19901 912 1126 BRSPD-PUBLIC, US
11776 897 1890 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:58 2:473 3:564 4:5 5:805 6:151
7:5 8:668 11:171 12:999 13:284 14:115
15:298 16:234 17:5 18:878 20:108 21:4
22:188 23:2363 24:700 27:28 29:19 31:471
32:19 34:8 35:121 36:1229 37:616 38:2090
39:540 40:54 41:1009 42:172 43:168 44:27
45:3864 46:980 47:88 49:27 50:962 51:374
52:1389 54:286 55:1140 56:9 57:18 58:32
59:28 60:16 61:78 62:524 63:786 64:1834
65:1097 66:1603 67:951 68:430 69:1202 70:463
71:222 72:690 74:956 75:425 76:266 77:461
78:325 79:293 80:278 81:395 82:455 83:206
84:325 85:543 86:216 87:238 88:245 89:785
90:62 91:966 92:638 93:444 94:848 95:568
96:256 97:59 98:462 99:161 100:36 101:28
102:341 103:947 104:1213 105:130 106:35 107:1451
108:550 109:379 110:24 111:1913 112:459 113:36
114:44 115:24 116:51 117:1045 118:99 119:112
120:1165 121:40 122:70 123:84 124:51 125:24
128:478 129:279 130:672 131:945 132:554 133:211
134:459 135:120 136:595 137:489 138:1029 139:402
140:699 141:428 142:925 143:683 144:407 145:70
146:637 147:503 148:787 149:631 150:380 151:686
152:577 153:124 154:1365 155:811 156:1249 157:378
158:509 159:696 160:876 161:624 162:971 163:416
164:725 165:818 166:655 167:672 168:1597 169:155
170:1656 171:112 172:1309 173:819 174:232 175:48
176:445 177:1152 178:556 179:826 180:69 181:1920
182:43 183:877 184:454 185:3316 186:2405 187:1186
188:790 189:1567 190:5081 191:487 192:4963 193:1749
194:1117 195:910 196:738 197:1632 198:2661 199:4734
200:4011 201:3396 202:980 203:677 204:2146 205:1986
206:1576 207:1485 208:1348 209:1930 210:315 211:426
212:968 213:717 214:1016 215:36 216:2522 217:459
218:523 219:22 220:25 221:301 222:30 223:733
End of report
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