[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Apr 16 20:17:04 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 16 Apr, 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: 276463
Prefixes after maximum aggregation (per Origin AS): 122604
Deaggregation factor: 2.25
Unique aggregates announced (without unneeded subnets): 146871
Number of IPv4 prefixes with a valid ROA: 125574
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 150872
Total ASes present in the Internet Routing Table: 21044
Prefixes per ASN: 13.14
Origin-only ASes present in the Internet Routing Table: 18149
Origin ASes announcing only one prefix: 8213
Transit ASes present in the Internet Routing Table: 2895
Transit-only ASes present in the Internet Routing Table: 741
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: 354
Number of instances of unregistered ASNs: 355
Number of 32-bit ASNs allocated by the RIRs: 46209
Number of 32-bit ASNs visible in the Routing Table: 8086
Prefixes from 32-bit ASNs in the Routing Table: 30963
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: 141
Number of addresses announced to Internet: 1576906397
Equivalent to 93 /8s, 253 /16s and 174 /24s
Percentage of available address space announced: 42.6
Percentage of allocated address space announced: 42.6
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: 89160
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32166
Total APNIC prefixes after maximum aggregation: 7629
APNIC Deaggregation factor: 4.22
Prefixes being announced from the APNIC address blocks: 30789
Unique aggregates announced from the APNIC address blocks: 8085
APNIC Region origin ASes present in the Internet Routing Table: 1224
APNIC Prefixes per ASN: 25.15
APNIC Region origin ASes announcing only one prefix: 488
APNIC Region transit ASes present in the Internet Routing Table: 205
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 564
Number of APNIC addresses announced to Internet: 169103980
Equivalent to 10 /8s, 20 /16s and 82 /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: 134743
Total ARIN prefixes after maximum aggregation: 70124
ARIN Deaggregation factor: 1.92
Prefixes being announced from the ARIN address blocks: 132081
Unique aggregates announced from the ARIN address blocks: 73005
ARIN Region origin ASes present in the Internet Routing Table: 10040
ARIN Prefixes per ASN: 13.16
ARIN Region origin ASes announcing only one prefix: 4150
ARIN Region transit ASes present in the Internet Routing Table: 958
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: 2386
Number of ARIN addresses announced to Internet: 982930337
Equivalent to 58 /8s, 150 /16s and 83 /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: 50786
Total RIPE prefixes after maximum aggregation: 27513
RIPE Deaggregation factor: 1.85
Prefixes being announced from the RIPE address blocks: 52185
Unique aggregates announced from the RIPE address blocks: 38308
RIPE Region origin ASes present in the Internet Routing Table: 4660
RIPE Prefixes per ASN: 11.20
RIPE Region origin ASes announcing only one prefix: 1948
RIPE Region transit ASes present in the Internet Routing Table: 695
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1901
Number of RIPE addresses announced to Internet: 282727760
Equivalent to 16 /8s, 218 /16s and 21 /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: 48264
Total LACNIC prefixes after maximum aggregation: 14871
LACNIC Deaggregation factor: 3.25
Prefixes being announced from the LACNIC address blocks: 47218
Unique aggregates announced from the LACNIC address blocks: 22696
LACNIC Region origin ASes present in the Internet Routing Table: 3967
LACNIC Prefixes per ASN: 11.90
LACNIC Region origin ASes announcing only one prefix: 1514
LACNIC Region transit ASes present in the Internet Routing Table: 830
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3087
Number of LACNIC addresses announced to Internet: 98350656
Equivalent to 5 /8s, 220 /16s and 182 /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: 10150
Total AfriNIC prefixes after maximum aggregation: 2234
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 14049
Unique aggregates announced from the AfriNIC address blocks: 4641
AfriNIC Region origin ASes present in the Internet Routing Table: 272
AfriNIC Prefixes per ASN: 51.65
AfriNIC Region origin ASes announcing only one prefix: 113
AfriNIC Region transit ASes present in the Internet Routing Table: 74
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: 148
Number of AfriNIC addresses announced to Internet: 43736832
Equivalent to 2 /8s, 155 /16s and 95 /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 10164 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1586 811 186 CMNET-JIANGSU-AP China Mobile communicati
56041 1568 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1484 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 774 500 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 639 2170 465 SINET-AS Research Organization of Informa
24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
45102 509 823 136 ALIBABA-CN-NET Alibaba US Technology Co.,
17561 482 31 201 LCS-AS-AP LARUS Limited, HK
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 13184 39693 4088 AMAZON-02, US
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2629 200 1607 USDA-1, US
367 2468 2890 1196 DNIC-ASBLK-00306-00371, US
36352 2396 198 1078 AS-COLOCROSSING, US
7018 2219 22908 1582 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1666 4890 275 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 1303 101 1036 AKAMAI-ASN1, NL
3257 926 2075 747 GTT-BACKBONE GTT, US
34984 926 90 521 TELLCOM-AS, TR
3215 893 4810 292 France Telecom - Orange, FR
25019 850 1299 129 SAUDINETSTC-AS, SA
9009 705 58 534 M247, RO
8452 653 1842 17 TE-AS TE-AS, EG
8376 579 53 23 Jordan Data Communications, JO
51167 568 113 251 CONTABO, DE
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 7382 2022 1010 UNINET, MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
10620 1929 286 1300 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
26615 989 2503 52 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
27651 648 94 35 ENTEL CHILE S.A., CL
28006 642 77 294 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 548 2884 69 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 1395 389 16 LINKdotNET-AS, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
29571 955 100 75 ORANGE-COTE-IVOIRE, CI
24835 875 512 38 RAYA-AS, EG
36935 707 519 48 Vodafone-, EG
36992 601 1228 123 ETISALAT-MISR, EG
36914 551 82 3 KENET-AS, KE
37069 469 1046 15 MOBINIL, EG
36903 410 192 301 MT-MPLS, MA
2018 347 302 66 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 13184 39693 4088 AMAZON-02, US
9808 10164 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7382 2022 1010 UNINET, MX
22773 3394 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
4155 2629 200 1607 USDA-1, US
367 2468 2890 1196 DNIC-ASBLK-00306-00371, US
36352 2396 198 1078 AS-COLOCROSSING, US
7018 2219 22908 1582 ATT-INTERNET4, US
11830 1993 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 10164 10076 CHINAMOBILE-CN China Mobile Communications Grou
8151 7382 6372 UNINET, MX
22773 3394 3215 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1993 1929 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
56041 1568 1490 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1484 1431 CMNET-HUNAN-AP China Mobile communications corp
56046 1586 1400 CMNET-JIANGSU-AP China Mobile communications co
209 1666 1391 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
13342 UNALLOCATED 12.17.5.0/24 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
23.140.216.0/24 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
23.158.216.0/24 Origin: 204535 RESERVED, ZZ
23.158.216.0/24 Transit: 22427 GNET-AS, US
23.166.120.0/24 Origin: 59993 UILLLC-20230328, US
23.166.120.0/24 Transit: 30456 COSMIC-GLOBAL, 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 /11:42 /12:152
/13:216 /14:583 /15:1105 /16:7650 /17:3523 /18:4411
/19:8047 /20:13059 /21:16108 /22:28991 /23:29074 /24:163235
/25:60 /26:76 /27:35 /28:13 /29:16 /30:10
/31:0 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3894 7382 UNINET, MX
22773 2534 3394 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13184 AMAZON-02, US
11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR
10620 1088 1929 Telmex Colombia S.A., CO
39891 1081 1936 ALJAWWALSTC-AS, SA
36352 971 2396 AS-COLOCROSSING, US
209 965 1666 CENTURYLINK-US-LEGACY-QWEST, US
19901 945 1203 BRSPD-PUBLIC, US
11776 881 1892 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:67 2:484 3:616 4:5 5:847 6:150
7:6 8:653 11:171 12:1011 13:296 14:139
15:306 16:244 17:7 18:891 20:256 21:4
22:188 23:2795 24:728 27:21 29:19 31:480
32:12 34:12 35:135 36:1229 37:1034 38:2128
39:547 40:56 41:895 42:221 43:199 44:58
45:4002 46:979 47:89 49:18 50:388 51:383
52:1398 54:274 55:1092 56:11 57:21 58:45
59:32 60:16 61:72 62:558 63:794 64:2154
65:1118 66:1779 67:1067 68:486 69:1435 70:436
71:211 72:758 74:1199 75:508 76:270 77:481
78:340 79:281 80:309 81:360 82:769 83:248
84:433 85:495 86:239 87:247 88:308 89:852
90:105 91:972 92:733 93:483 94:943 95:689
96:338 97:67 98:484 99:161 100:38 101:25
102:377 103:1273 104:1616 105:138 106:33 107:1521
108:564 109:411 110:96 111:1915 112:450 113:36
114:62 115:13 116:57 117:1036 118:162 119:155
120:1167 121:43 122:128 123:151 124:57 125:24
128:513 129:308 130:679 131:931 132:565 133:213
134:487 135:125 136:547 137:516 138:976 139:446
140:731 141:460 142:1107 143:676 144:439 145:113
146:730 147:538 148:893 149:811 150:380 151:661
152:540 153:130 154:1801 155:799 156:1288 157:381
158:565 159:697 160:825 161:748 162:1098 163:385
164:723 165:856 166:775 167:684 168:1245 169:160
170:1709 171:123 172:1457 173:955 174:282 175:54
176:852 177:976 178:512 179:774 180:80 181:1898
182:29 183:859 184:561 185:3460 186:2329 187:1413
188:788 189:1768 190:4961 191:442 192:5403 193:1853
194:1232 195:964 196:786 197:1530 198:2904 199:5103
200:3877 201:3280 202:1004 203:740 204:2318 205:2088
206:1751 207:1654 208:1614 209:2190 210:310 211:430
212:993 213:898 214:990 215:42 216:2989 217:438
218:518 219:19 220:26 221:304 222:32 223:740
End of report
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