[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Feb 21 20:16:55 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Fri 21 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: 255081
Prefixes after maximum aggregation (per Origin AS): 110847
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 132437
Number of IPv4 prefixes with a valid ROA: 114345
Number of IPv4 prefixes with an invalid ROA: 28
Number of IPv4 prefixes with no ROA: 140708
Total ASes present in the Internet Routing Table: 20043
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 17210
Origin ASes announcing only one prefix: 7664
Transit ASes present in the Internet Routing Table: 2833
Transit-only ASes present in the Internet Routing Table: 728
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: 288
Number of instances of unregistered ASNs: 289
Number of 32-bit ASNs allocated by the RIRs: 46157
Number of 32-bit ASNs visible in the Routing Table: 7819
Prefixes from 32-bit ASNs in the Routing Table: 29464
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: 143
Number of addresses announced to Internet: 1556215549
Equivalent to 92 /8s, 193 /16s and 246 /24s
Percentage of available address space announced: 42.0
Percentage of allocated address space announced: 42.0
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: 80561
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31556
Total APNIC prefixes after maximum aggregation: 7526
APNIC Deaggregation factor: 4.19
Prefixes being announced from the APNIC address blocks: 30896
Unique aggregates announced from the APNIC address blocks: 8397
APNIC Region origin ASes present in the Internet Routing Table: 1177
APNIC Prefixes per ASN: 26.25
APNIC Region origin ASes announcing only one prefix: 457
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: 521
Number of APNIC addresses announced to Internet: 170567788
Equivalent to 10 /8s, 42 /16s and 168 /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: 117703
Total ARIN prefixes after maximum aggregation: 60530
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 115967
Unique aggregates announced from the ARIN address blocks: 61399
ARIN Region origin ASes present in the Internet Routing Table: 9041
ARIN Prefixes per ASN: 12.83
ARIN Region origin ASes announcing only one prefix: 3783
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: 2051
Number of ARIN addresses announced to Internet: 957521153
Equivalent to 57 /8s, 18 /16s and 157 /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: 45618
Total RIPE prefixes after maximum aggregation: 24903
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 47415
Unique aggregates announced from the RIPE address blocks: 35056
RIPE Region origin ASes present in the Internet Routing Table: 4463
RIPE Prefixes per ASN: 10.62
RIPE Region origin ASes announcing only one prefix: 1855
RIPE Region transit ASes present in the Internet Routing Table: 669
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: 1794
Number of RIPE addresses announced to Internet: 287017808
Equivalent to 17 /8s, 27 /16s and 139 /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: 49283
Total LACNIC prefixes after maximum aggregation: 15147
LACNIC Deaggregation factor: 3.25
Prefixes being announced from the LACNIC address blocks: 48032
Unique aggregates announced from the LACNIC address blocks: 23290
LACNIC Region origin ASes present in the Internet Routing Table: 4225
LACNIC Prefixes per ASN: 11.37
LACNIC Region origin ASes announcing only one prefix: 1445
LACNIC Region transit ASes present in the Internet Routing Table: 876
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: 3300
Number of LACNIC addresses announced to Internet: 99270976
Equivalent to 5 /8s, 234 /16s and 193 /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: 10633
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 12628
Unique aggregates announced from the AfriNIC address blocks: 4174
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 44.00
AfriNIC Region origin ASes announcing only one prefix: 124
AfriNIC Region transit ASes present in the Internet Routing Table: 78
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: 153
Number of AfriNIC addresses announced to Internet: 41774336
Equivalent to 2 /8s, 125 /16s and 109 /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 12765 39189 3787 AMAZON-02, US
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2513 2914 1227 DNIC-ASBLK-00306-00371, US
4155 2370 172 1439 USDA-1, US
7018 2259 22926 1605 ATT-INTERNET4, US
11776 1876 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1777 3506 457 CELLCO-PART, US
209 1676 4890 283 CENTURYLINK-US-LEGACY-QWEST, US
36352 1579 120 927 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 1112 86 889 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 786 2068 689 GTT-BACKBONE GTT, US
34984 737 75 430 TELLCOM-AS, TR
25019 661 1015 139 SAUDINETSTC-AS, SA
8452 636 1756 124 TE-AS TE-AS, EG
8376 588 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 6085 1708 923 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 1156 371 22 Telefonica del Peru S.A.A., PE
26615 1011 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 980 183 284 INTERNET-SOLUTIONS, ZA
24835 833 509 46 RAYA-AS, EG
36935 685 520 41 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 558 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 12765 39189 3787 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6085 1708 923 UNINET, MX
22773 3364 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2513 2914 1227 DNIC-ASBLK-00306-00371, US
4155 2370 172 1439 USDA-1, US
7018 2259 22926 1605 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 6085 5162 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
56046 1573 1394 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 /11:43 /12:150
/13:221 /14:578 /15:1104 /16:7597 /17:3381 /18:4159
/19:7486 /20:12185 /21:14928 /22:27259 /23:26821 /24:148907
/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 3252 6085 UNINET, MX
22773 2507 3364 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2274 12765 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
209 966 1676 CENTURYLINK-US-LEGACY-QWEST, US
19901 916 1142 BRSPD-PUBLIC, US
11776 880 1876 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)
----------------------------------------------
1:62 2:355 3:564 4:5 5:771 6:152
7:5 8:634 11:171 12:979 13:293 14:112
15:297 16:237 17:5 18:884 20:126 21:4
22:188 23:2171 24:678 27:26 29:19 31:362
32:17 34:13 35:129 36:1237 37:578 38:2049
39:540 40:54 41:983 42:209 43:195 44:25
45:3753 46:895 47:86 49:29 50:350 51:374
52:1384 54:279 55:1020 56:9 57:19 58:31
59:29 60:17 61:77 62:521 63:766 64:1732
65:1067 66:1492 67:931 68:399 69:1156 70:434
71:200 72:690 74:916 75:421 76:235 77:453
78:317 79:272 80:262 81:332 82:517 83:219
84:336 85:552 86:224 87:252 88:246 89:749
90:96 91:940 92:640 93:366 94:759 95:599
96:252 97:66 98:448 99:164 100:36 101:32
102:321 103:1153 104:1106 105:208 106:35 107:1159
108:494 109:385 110:30 111:1900 112:460 113:43
114:48 115:29 116:48 117:1040 118:172 119:121
120:1167 121:42 122:115 123:145 124:55 125:28
128:452 129:279 130:643 131:903 132:579 133:212
134:497 135:115 136:580 137:508 138:998 139:396
140:701 141:432 142:915 143:713 144:406 145:72
146:642 147:462 148:766 149:676 150:367 151:666
152:535 153:124 154:850 155:766 156:1015 157:363
158:473 159:658 160:880 161:605 162:932 163:339
164:742 165:767 166:599 167:657 168:1512 169:142
170:1677 171:120 172:1129 173:789 174:233 175:62
176:627 177:1123 178:525 179:824 180:70 181:1835
182:39 183:875 184:479 185:3228 186:2407 187:1357
188:737 189:1499 190:5058 191:478 192:4798 193:1730
194:1164 195:904 196:647 197:1527 198:2535 199:4684
200:3954 201:3337 202:980 203:699 204:2072 205:1987
206:1541 207:1431 208:1287 209:1796 210:317 211:429
212:902 213:717 214:1016 215:36 216:2345 217:441
218:524 219:22 220:38 221:301 222:30 223:732
End of report
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