[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Feb 23 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 23 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: 256205
Prefixes after maximum aggregation (per Origin AS): 111626
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 133498
Number of IPv4 prefixes with a valid ROA: 115463
Number of IPv4 prefixes with an invalid ROA: 28
Number of IPv4 prefixes with no ROA: 140714
Total ASes present in the Internet Routing Table: 20028
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 17191
Origin ASes announcing only one prefix: 7644
Transit ASes present in the Internet Routing Table: 2837
Transit-only ASes present in the Internet Routing Table: 736
Paths with bogon ASNs present in the IPv4 Routing Table: 5
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: 46189
Number of 32-bit ASNs visible in the Routing Table: 7840
Prefixes from 32-bit ASNs in the Routing Table: 29444
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: 142
Number of addresses announced to Internet: 1556824061
Equivalent to 92 /8s, 203 /16s and 63 /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: 80972
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31804
Total APNIC prefixes after maximum aggregation: 7650
APNIC Deaggregation factor: 4.16
Prefixes being announced from the APNIC address blocks: 31018
Unique aggregates announced from the APNIC address blocks: 8486
APNIC Region origin ASes present in the Internet Routing Table: 1186
APNIC Prefixes per ASN: 26.15
APNIC Region origin ASes announcing only one prefix: 462
APNIC Region transit ASes present in the Internet Routing Table: 218
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: 536
Number of APNIC addresses announced to Internet: 170467692
Equivalent to 10 /8s, 41 /16s and 33 /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: 118065
Total ARIN prefixes after maximum aggregation: 60705
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 116217
Unique aggregates announced from the ARIN address blocks: 61629
ARIN Region origin ASes present in the Internet Routing Table: 9022
ARIN Prefixes per ASN: 12.88
ARIN Region origin ASes announcing only one prefix: 3780
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: 2046
Number of ARIN addresses announced to Internet: 957707521
Equivalent to 57 /8s, 21 /16s and 117 /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: 46165
Total RIPE prefixes after maximum aggregation: 25369
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 47897
Unique aggregates announced from the RIPE address blocks: 35578
RIPE Region origin ASes present in the Internet Routing Table: 4487
RIPE Prefixes per ASN: 10.67
RIPE Region origin ASes announcing only one prefix: 1863
RIPE Region transit ASes present in the Internet Routing Table: 674
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: 1816
Number of RIPE addresses announced to Internet: 287110736
Equivalent to 17 /8s, 28 /16s and 246 /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: 49212
Total LACNIC prefixes after maximum aggregation: 15098
LACNIC Deaggregation factor: 3.26
Prefixes being announced from the LACNIC address blocks: 47957
Unique aggregates announced from the LACNIC address blocks: 23275
LACNIC Region origin ASes present in the Internet Routing Table: 4190
LACNIC Prefixes per ASN: 11.45
LACNIC Region origin ASes announcing only one prefix: 1418
LACNIC Region transit ASes present in the Internet Routing Table: 873
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: 3287
Number of LACNIC addresses announced to Internet: 99098432
Equivalent to 5 /8s, 232 /16s and 31 /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: 10668
Total AfriNIC prefixes after maximum aggregation: 2603
AfriNIC Deaggregation factor: 4.10
Prefixes being announced from the AfriNIC address blocks: 12974
Unique aggregates announced from the AfriNIC address blocks: 4410
AfriNIC Region origin ASes present in the Internet Routing Table: 285
AfriNIC Prefixes per ASN: 45.52
AfriNIC Region origin ASes announcing only one prefix: 121
AfriNIC Region transit ASes present in the Internet Routing Table: 79
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: 42376448
Equivalent to 2 /8s, 134 /16s and 157 /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 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 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
45102 470 743 138 ALIBABA-CN-NET Alibaba US Technology Co.,
17676 469 8895 146 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 12794 39191 3787 AMAZON-02, US
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2506 2914 1222 DNIC-ASBLK-00306-00371, US
4155 2371 172 1438 USDA-1, US
7018 2258 22926 1604 ATT-INTERNET4, US
11776 1876 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1778 3506 458 CELLCO-PART, US
209 1677 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1566 120 931 AS-COLOCROSSING, 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 1271 99 1009 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 791 2069 693 GTT-BACKBONE GTT, US
34984 737 75 430 TELLCOM-AS, TR
8452 678 1759 132 TE-AS TE-AS, EG
25019 661 1015 139 SAUDINETSTC-AS, SA
8376 585 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 549 40 483 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 6064 1690 925 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 1155 371 22 Telefonica del Peru S.A.A., PE
26615 1013 2503 53 TIM SA, BR
18881 873 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 562 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 1498 389 16 LINKdotNET-AS, EG
29571 1120 79 377 ORANGE-COTE-IVOIRE, CI
20011 955 181 321 INTERNET-SOLUTIONS, ZA
24835 833 509 46 RAYA-AS, EG
36935 705 522 48 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 536 82 3 KENET-AS, KE
36903 430 199 309 MT-MPLS, MA
2018 377 319 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 12794 39191 3787 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6064 1690 925 UNINET, MX
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
367 2506 2914 1222 DNIC-ASBLK-00306-00371, US
4155 2371 172 1438 USDA-1, US
7018 2258 22926 1604 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 10150 10063 CHINAMOBILE-CN China Mobile Communications Grou
8151 6064 5139 UNINET, MX
22773 3364 3190 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1876 1660 ATLANTICBB-JOHNSTOWN, US
24863 1498 1482 LINKdotNET-AS, EG
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1451 CMNET-HUNAN-AP China Mobile communications corp
209 1677 1394 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 /8:13 /9:10 /10:29 /11:43 /12:150
/13:221 /14:578 /15:1104 /16:7595 /17:3365 /18:4170
/19:7496 /20:12257 /21:14903 /22:27478 /23:26923 /24:149660
/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 3248 6064 UNINET, MX
22773 2507 3364 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2286 12794 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 1677 CENTURYLINK-US-LEGACY-QWEST, US
19901 920 1148 BRSPD-PUBLIC, US
11776 880 1876 ATLANTICBB-JOHNSTOWN, US
20011 843 955 INTERNET-SOLUTIONS, ZA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:63 2:487 3:567 4:5 5:785 6:152
7:5 8:631 11:171 12:979 13:293 14:117
15:297 16:237 17:5 18:885 20:126 21:4
22:188 23:2248 24:671 27:26 29:19 31:375
32:17 34:12 35:130 36:1236 37:594 38:2056
39:540 40:54 41:977 42:209 43:198 44:25
45:3795 46:923 47:86 49:29 50:360 51:374
52:1385 54:279 55:1087 56:9 57:19 58:31
59:29 60:17 61:78 62:529 63:762 64:1726
65:1064 66:1490 67:931 68:398 69:1156 70:434
71:200 72:667 74:916 75:422 76:235 77:462
78:317 79:272 80:261 81:333 82:547 83:219
84:336 85:557 86:227 87:254 88:247 89:754
90:96 91:946 92:653 93:371 94:780 95:615
96:246 97:64 98:447 99:165 100:36 101:32
102:327 103:1172 104:1095 105:216 106:35 107:1156
108:496 109:395 110:31 111:1911 112:460 113:54
114:49 115:31 116:46 117:1040 118:172 119:123
120:1167 121:42 122:115 123:146 124:57 125:28
128:450 129:278 130:644 131:902 132:579 133:212
134:448 135:115 136:573 137:510 138:1002 139:405
140:702 141:425 142:913 143:702 144:408 145:72
146:642 147:466 148:764 149:671 150:367 151:666
152:534 153:124 154:1001 155:766 156:1108 157:364
158:468 159:658 160:881 161:608 162:932 163:339
164:722 165:770 166:595 167:633 168:1516 169:142
170:1653 171:121 172:1131 173:787 174:233 175:70
176:631 177:1121 178:519 179:819 180:70 181:1836
182:39 183:876 184:479 185:3337 186:2402 187:1363
188:729 189:1510 190:5063 191:465 192:4787 193:1742
194:1176 195:909 196:660 197:1500 198:2528 199:4687
200:3931 201:3327 202:981 203:706 204:2069 205:1988
206:1551 207:1432 208:1292 209:1798 210:317 211:429
212:905 213:717 214:1014 215:36 216:2339 217:436
218:524 219:22 220:38 221:301 222:30 223:741
End of report
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