[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Feb 27 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 27 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: 258238
Prefixes after maximum aggregation (per Origin AS): 112099
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133929
Number of IPv4 prefixes with a valid ROA: 116384
Number of IPv4 prefixes with an invalid ROA: 22
Number of IPv4 prefixes with no ROA: 141832
Total ASes present in the Internet Routing Table: 20180
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 17339
Origin ASes announcing only one prefix: 7703
Transit ASes present in the Internet Routing Table: 2841
Transit-only ASes present in the Internet Routing Table: 740
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: 291
Number of instances of unregistered ASNs: 292
Number of 32-bit ASNs allocated by the RIRs: 46208
Number of 32-bit ASNs visible in the Routing Table: 7918
Prefixes from 32-bit ASNs in the Routing Table: 29295
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: 1558197757
Equivalent to 92 /8s, 224 /16s and 53 /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: 81935
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31795
Total APNIC prefixes after maximum aggregation: 7644
APNIC Deaggregation factor: 4.16
Prefixes being announced from the APNIC address blocks: 31013
Unique aggregates announced from the APNIC address blocks: 8442
APNIC Region origin ASes present in the Internet Routing Table: 1210
APNIC Prefixes per ASN: 25.63
APNIC Region origin ASes announcing only one prefix: 475
APNIC Region transit ASes present in the Internet Routing Table: 217
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: 556
Number of APNIC addresses announced to Internet: 170534764
Equivalent to 10 /8s, 42 /16s and 39 /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: 119388
Total ARIN prefixes after maximum aggregation: 61235
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 117280
Unique aggregates announced from the ARIN address blocks: 61900
ARIN Region origin ASes present in the Internet Routing Table: 9090
ARIN Prefixes per ASN: 12.90
ARIN Region origin ASes announcing only one prefix: 3793
ARIN Region transit ASes present in the Internet Routing Table: 847
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: 2078
Number of ARIN addresses announced to Internet: 958675201
Equivalent to 57 /8s, 36 /16s and 57 /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: 46132
Total RIPE prefixes after maximum aggregation: 25202
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47783
Unique aggregates announced from the RIPE address blocks: 35557
RIPE Region origin ASes present in the Internet Routing Table: 4486
RIPE Prefixes per ASN: 10.65
RIPE Region origin ASes announcing only one prefix: 1860
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: 1809
Number of RIPE addresses announced to Internet: 286879824
Equivalent to 17 /8s, 25 /16s and 112 /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: 50132
Total LACNIC prefixes after maximum aggregation: 15311
LACNIC Deaggregation factor: 3.27
Prefixes being announced from the LACNIC address blocks: 48959
Unique aggregates announced from the LACNIC address blocks: 23624
LACNIC Region origin ASes present in the Internet Routing Table: 4254
LACNIC Prefixes per ASN: 11.51
LACNIC Region origin ASes announcing only one prefix: 1455
LACNIC Region transit ASes present in the Internet Routing Table: 875
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: 3324
Number of LACNIC addresses announced to Internet: 99900480
Equivalent to 5 /8s, 244 /16s and 92 /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: 10500
Total AfriNIC prefixes after maximum aggregation: 2505
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 13064
Unique aggregates announced from the AfriNIC address blocks: 4289
AfriNIC Region origin ASes present in the Internet Routing Table: 279
AfriNIC Prefixes per ASN: 46.82
AfriNIC Region origin ASes announcing only one prefix: 120
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: 151
Number of AfriNIC addresses announced to Internet: 42143232
Equivalent to 2 /8s, 131 /16s and 14 /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 10136 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1575 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 848 177 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 503 497 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 12790 39185 3778 AMAZON-02, US
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2501 2914 1222 DNIC-ASBLK-00306-00371, US
4155 2390 176 1451 USDA-1, US
7018 2257 22912 1607 ATT-INTERNET4, US
11776 1878 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1786 3543 463 CELLCO-PART, US
209 1673 4890 280 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 1274 99 1011 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 742 76 433 TELLCOM-AS, TR
25019 662 1020 135 SAUDINETSTC-AS, SA
8376 578 54 26 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
212238 531 39 467 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 6286 1791 940 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 1161 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 875 1127 31 TELEFONICA BRASIL S.A, BR
28006 643 77 294 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 1128 80 383 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 704 522 55 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 553 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 380 319 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 12790 39185 3778 AMAZON-02, US
9808 10136 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6286 1791 940 UNINET, MX
22773 3366 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2501 2914 1222 DNIC-ASBLK-00306-00371, US
4155 2390 176 1451 USDA-1, US
7018 2257 22912 1607 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 10136 10049 CHINAMOBILE-CN China Mobile Communications Grou
8151 6286 5346 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 1542 1464 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
23.135.84.0/24 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
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /15:1105 /16:7603 /17:3328 /18:4175
/19:7629 /20:12326 /21:15077 /22:27800 /23:27186 /24:150754
/25:51 /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 3343 6286 UNINET, MX
22773 2507 3366 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2279 12790 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 1673 CENTURYLINK-US-LEGACY-QWEST, US
19901 922 1154 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 2:488 3:571 4:5 5:795 6:154
7:5 8:636 11:171 12:984 13:293 14:118
15:300 16:239 17:5 18:886 20:170 21:4
22:188 23:2243 24:669 27:28 29:19 31:384
32:17 34:10 35:129 36:1244 37:599 38:2053
39:540 40:54 41:995 42:212 43:193 44:26
45:3840 46:937 47:86 49:29 50:339 51:374
52:1384 54:279 55:1079 56:9 57:18 58:31
59:28 60:16 61:77 62:528 63:764 64:1767
65:1061 66:1543 67:962 68:413 69:1166 70:437
71:201 72:687 74:950 75:420 76:236 77:460
78:338 79:271 80:258 81:331 82:591 83:219
84:339 85:581 86:227 87:254 88:247 89:739
90:95 91:936 92:621 93:371 94:754 95:617
96:251 97:67 98:453 99:163 100:36 101:28
102:329 103:1201 104:1079 105:124 106:35 107:1107
108:502 109:389 110:31 111:1911 112:460 113:47
114:48 115:23 116:53 117:1043 118:165 119:123
120:1169 121:42 122:113 123:148 124:57 125:23
128:479 129:282 130:663 131:910 132:581 133:212
134:439 135:115 136:554 137:509 138:998 139:396
140:700 141:427 142:910 143:718 144:412 145:70
146:651 147:473 148:812 149:651 150:367 151:662
152:525 153:123 154:1086 155:764 156:1116 157:373
158:503 159:656 160:877 161:658 162:942 163:339
164:730 165:766 166:607 167:636 168:1507 169:142
170:1669 171:124 172:1131 173:801 174:236 175:64
176:635 177:1110 178:511 179:819 180:71 181:1856
182:38 183:874 184:496 185:3338 186:2414 187:1380
188:721 189:1547 190:5230 191:477 192:4781 193:1729
194:1164 195:903 196:651 197:1503 198:2528 199:4713
200:4047 201:3316 202:976 203:694 204:2094 205:1959
206:1545 207:1468 208:1308 209:1882 210:317 211:427
212:929 213:777 214:1017 215:36 216:2427 217:435
218:523 219:22 220:31 221:301 222:30 223:742
End of report
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