[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 27 20:17:01 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Thu 27 Mar, 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: 270402
Prefixes after maximum aggregation (per Origin AS): 117606
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 141274
Number of IPv4 prefixes with a valid ROA: 122524
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 147860
Total ASes present in the Internet Routing Table: 20831
Prefixes per ASN: 12.98
Origin-only ASes present in the Internet Routing Table: 17909
Origin ASes announcing only one prefix: 8003
Transit ASes present in the Internet Routing Table: 2922
Transit-only ASes present in the Internet Routing Table: 769
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: 269
Number of instances of unregistered ASNs: 270
Number of 32-bit ASNs allocated by the RIRs: 46099
Number of 32-bit ASNs visible in the Routing Table: 8224
Prefixes from 32-bit ASNs in the Routing Table: 31712
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: 109
Number of addresses announced to Internet: 1560018013
Equivalent to 92 /8s, 251 /16s and 252 /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: 86926
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32141
Total APNIC prefixes after maximum aggregation: 7661
APNIC Deaggregation factor: 4.20
Prefixes being announced from the APNIC address blocks: 30876
Unique aggregates announced from the APNIC address blocks: 8237
APNIC Region origin ASes present in the Internet Routing Table: 1261
APNIC Prefixes per ASN: 24.49
APNIC Region origin ASes announcing only one prefix: 503
APNIC Region transit ASes present in the Internet Routing Table: 228
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 602
Number of APNIC addresses announced to Internet: 169115756
Equivalent to 10 /8s, 20 /16s and 128 /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: 125982
Total ARIN prefixes after maximum aggregation: 64812
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 123595
Unique aggregates announced from the ARIN address blocks: 66650
ARIN Region origin ASes present in the Internet Routing Table: 9384
ARIN Prefixes per ASN: 13.17
ARIN Region origin ASes announcing only one prefix: 3903
ARIN Region transit ASes present in the Internet Routing Table: 877
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: 2165
Number of ARIN addresses announced to Internet: 965115617
Equivalent to 57 /8s, 134 /16s and 126 /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: 49869
Total RIPE prefixes after maximum aggregation: 27084
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 51614
Unique aggregates announced from the RIPE address blocks: 38003
RIPE Region origin ASes present in the Internet Routing Table: 4721
RIPE Prefixes per ASN: 10.93
RIPE Region origin ASes announcing only one prefix: 1985
RIPE Region transit ASes present in the Internet Routing Table: 705
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: 1925
Number of RIPE addresses announced to Internet: 281315536
Equivalent to 16 /8s, 196 /16s and 136 /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: 51385
Total LACNIC prefixes after maximum aggregation: 15608
LACNIC Deaggregation factor: 3.29
Prefixes being announced from the LACNIC address blocks: 50002
Unique aggregates announced from the LACNIC address blocks: 24009
LACNIC Region origin ASes present in the Internet Routing Table: 4297
LACNIC Prefixes per ASN: 11.64
LACNIC Region origin ASes announcing only one prefix: 1498
LACNIC Region transit ASes present in the Internet Routing Table: 881
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: 3381
Number of LACNIC addresses announced to Internet: 100642880
Equivalent to 5 /8s, 255 /16s and 176 /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: 10756
Total AfriNIC prefixes after maximum aggregation: 2237
AfriNIC Deaggregation factor: 4.81
Prefixes being announced from the AfriNIC address blocks: 14206
Unique aggregates announced from the AfriNIC address blocks: 4268
AfriNIC Region origin ASes present in the Internet Routing Table: 277
AfriNIC Prefixes per ASN: 51.29
AfriNIC Region origin ASes announcing only one prefix: 114
AfriNIC Region transit ASes present in the Internet Routing Table: 77
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: 43779840
Equivalent to 2 /8s, 156 /16s and 7 /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 10124 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1574 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1482 192 53 CMNET-HUNAN-AP China Mobile communication
24547 850 177 50 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 520 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic
17561 516 33 203 LCS-AS-AP LARUS Limited, HK
45102 478 779 138 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 12939 39644 3965 AMAZON-02, US
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2547 188 1549 USDA-1, US
367 2438 2872 1176 DNIC-ASBLK-00306-00371, US
36352 2331 195 1063 AS-COLOCROSSING, US
7018 2224 22908 1586 ATT-INTERNET4, US
11776 1879 257 217 ATLANTICBB-JOHNSTOWN, US
6167 1819 3570 457 CELLCO-PART, US
209 1671 4890 278 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 1262 99 1020 AKAMAI-ASN1, NL
25019 967 1299 129 SAUDINETSTC-AS, SA
3215 927 4886 286 France Telecom - Orange, FR
3257 927 2075 749 GTT-BACKBONE GTT, US
34984 774 79 461 TELLCOM-AS, TR
8452 602 1842 17 TE-AS TE-AS, EG
8376 574 53 25 Jordan Data Communications, JO
203214 573 42 344 HULUMTELE, IQ
212238 569 41 502 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 7295 2011 1000 UNINET, MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
10620 1735 256 1228 Telmex Colombia S.A., CO
3816 1329 782 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 Telefonica del Peru S.A.A., PE
26615 1014 2503 53 TIM SA, BR
18881 882 1127 31 TELEFONICA BRASIL S.A, BR
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
27651 633 90 53 ENTEL CHILE S.A., CL
26599 544 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 1472 389 18 LINKdotNET-AS, EG
29571 1209 101 70 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 805 504 37 RAYA-AS, EG
37069 736 1055 19 MOBINIL, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 542 82 3 KENET-AS, KE
36903 417 195 306 MT-MPLS, MA
2018 374 318 69 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 12939 39644 3965 AMAZON-02, US
9808 10124 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 7295 2011 1000 UNINET, MX
22773 3374 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2547 188 1549 USDA-1, US
367 2438 2872 1176 DNIC-ASBLK-00306-00371, US
36352 2331 195 1063 AS-COLOCROSSING, US
7018 2224 22908 1586 ATT-INTERNET4, 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 10124 10037 CHINAMOBILE-CN China Mobile Communications Grou
8151 7295 6295 UNINET, MX
22773 3374 3199 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1991 1927 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1879 1662 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1472 1454 LINKdotNET-AS, EG
56047 1482 1429 CMNET-HUNAN-AP China Mobile communications corp
56046 1574 1395 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
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
23.136.124.0/24 Origin: 394106 BEIDEAL, US
23.136.124.0/24 Transit: 151349 YUKI-NET-AS-AP Yuki Network Ltd, KR
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 PIGGYTARO-DATA, CA
23.158.216.0/24 Transit: 22427 GNET-AS, 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 /12:150
/13:218 /14:577 /15:1101 /16:7633 /17:3479 /18:4236
/19:7784 /20:12792 /21:15595 /22:28240 /23:28198 /24:160091
/25:61 /26:74 /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 3835 7295 UNINET, MX
22773 2515 3374 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 12939 AMAZON-02, US
11830 1692 1991 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 980 1735 Telmex Colombia S.A., CO
209 966 1671 CENTURYLINK-US-LEGACY-QWEST, US
19901 935 1180 BRSPD-PUBLIC, US
36352 931 2331 AS-COLOCROSSING, US
11776 881 1879 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:65 2:484 3:595 4:5 5:844 6:150
7:5 8:639 11:171 12:1000 13:292 14:141
15:301 16:241 17:5 18:884 20:173 21:4
22:188 23:2501 24:955 27:24 29:19 31:527
32:18 34:10 35:132 36:1227 37:1137 38:2321
39:543 40:54 41:962 42:221 43:225 44:32
45:4193 46:947 47:84 49:51 50:355 51:381
52:1383 54:275 55:1089 56:11 57:18 58:45
59:39 60:16 61:62 62:527 63:777 64:1891
65:1086 66:1606 67:970 68:418 69:1205 70:438
71:212 72:871 74:982 75:437 76:248 77:481
78:336 79:277 80:302 81:352 82:706 83:244
84:349 85:544 86:240 87:252 88:291 89:846
90:104 91:1008 92:678 93:462 94:996 95:683
96:284 97:64 98:476 99:162 100:35 101:28
102:400 103:1325 104:1480 105:135 106:63 107:1487
108:540 109:394 110:32 111:1927 112:462 113:40
114:53 115:18 116:62 117:1036 118:169 119:132
120:1163 121:45 122:110 123:146 124:57 125:20
128:486 129:286 130:665 131:950 132:564 133:213
134:558 135:117 136:556 137:502 138:1035 139:427
140:712 141:439 142:973 143:705 144:420 145:109
146:700 147:505 148:854 149:754 150:376 151:705
152:528 153:127 154:1539 155:802 156:1345 157:376
158:506 159:754 160:928 161:718 162:1011 163:356
164:733 165:846 166:732 167:645 168:1508 169:145
170:1679 171:121 172:1407 173:822 174:253 175:53
176:685 177:1110 178:524 179:805 180:50 181:1920
182:43 183:857 184:507 185:3456 186:2461 187:1443
188:827 189:1768 190:5163 191:503 192:5148 193:1836
194:1244 195:934 196:838 197:1542 198:2705 199:4894
200:4056 201:3397 202:982 203:714 204:2168 205:1990
206:1571 207:1514 208:1371 209:1987 210:309 211:426
212:1105 213:862 214:1007 215:42 216:2499 217:446
218:522 219:20 220:20 221:301 222:32 223:734
End of report
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