[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 6 20:17:06 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Sun 06 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: 265344
Prefixes after maximum aggregation (per Origin AS): 115856
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 137807
Number of IPv4 prefixes with a valid ROA: 119220
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 146107
Total ASes present in the Internet Routing Table: 20465
Prefixes per ASN: 12.97
Origin-only ASes present in the Internet Routing Table: 17610
Origin ASes announcing only one prefix: 7893
Transit ASes present in the Internet Routing Table: 2855
Transit-only ASes present in the Internet Routing Table: 771
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: 273
Number of instances of unregistered ASNs: 274
Number of 32-bit ASNs allocated by the RIRs: 46166
Number of 32-bit ASNs visible in the Routing Table: 7981
Prefixes from 32-bit ASNs in the Routing Table: 30088
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: 121
Number of addresses announced to Internet: 1557981917
Equivalent to 92 /8s, 220 /16s and 234 /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: 84695
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 32003
Total APNIC prefixes after maximum aggregation: 7578
APNIC Deaggregation factor: 4.22
Prefixes being announced from the APNIC address blocks: 30741
Unique aggregates announced from the APNIC address blocks: 8118
APNIC Region origin ASes present in the Internet Routing Table: 1245
APNIC Prefixes per ASN: 24.69
APNIC Region origin ASes announcing only one prefix: 502
APNIC Region transit ASes present in the Internet Routing Table: 220
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: 583
Number of APNIC addresses announced to Internet: 168838764
Equivalent to 10 /8s, 16 /16s and 70 /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: 125033
Total ARIN prefixes after maximum aggregation: 64171
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122436
Unique aggregates announced from the ARIN address blocks: 65713
ARIN Region origin ASes present in the Internet Routing Table: 9353
ARIN Prefixes per ASN: 13.09
ARIN Region origin ASes announcing only one prefix: 3892
ARIN Region transit ASes present in the Internet Routing Table: 876
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: 2168
Number of ARIN addresses announced to Internet: 965184481
Equivalent to 57 /8s, 135 /16s and 139 /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: 49643
Total RIPE prefixes after maximum aggregation: 27228
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 51368
Unique aggregates announced from the RIPE address blocks: 37885
RIPE Region origin ASes present in the Internet Routing Table: 4662
RIPE Prefixes per ASN: 11.02
RIPE Region origin ASes announcing only one prefix: 1962
RIPE Region transit ASes present in the Internet Routing Table: 705
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: 1912
Number of RIPE addresses announced to Internet: 281462096
Equivalent to 16 /8s, 198 /16s and 197 /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: 47804
Total LACNIC prefixes after maximum aggregation: 14427
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 46724
Unique aggregates announced from the LACNIC address blocks: 21729
LACNIC Region origin ASes present in the Internet Routing Table: 4030
LACNIC Prefixes per ASN: 11.59
LACNIC Region origin ASes announcing only one prefix: 1428
LACNIC Region transit ASes present in the Internet Routing Table: 830
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3164
Number of LACNIC addresses announced to Internet: 98967104
Equivalent to 5 /8s, 230 /16s and 30 /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: 10588
Total AfriNIC prefixes after maximum aggregation: 2247
AfriNIC Deaggregation factor: 4.71
Prefixes being announced from the AfriNIC address blocks: 13954
Unique aggregates announced from the AfriNIC address blocks: 4246
AfriNIC Region origin ASes present in the Internet Routing Table: 282
AfriNIC Prefixes per ASN: 49.48
AfriNIC Region origin ASes announcing only one prefix: 109
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: 154
Number of AfriNIC addresses announced to Internet: 43478784
Equivalent to 2 /8s, 151 /16s and 111 /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 10125 8753 88 CHINAMOBILE-CN China Mobile Communication
56046 1584 811 187 CMNET-JIANGSU-AP China Mobile communicati
56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1480 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 505 32 215 LCS-AS-AP LARUS Limited, HK
45102 475 762 134 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 13003 39641 3947 AMAZON-02, US
22773 3397 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2595 194 1584 USDA-1, US
367 2460 2888 1189 DNIC-ASBLK-00306-00371, US
36352 2385 198 1064 AS-COLOCROSSING, US
7018 2214 22907 1579 ATT-INTERNET4, US
11776 1892 258 216 ATLANTICBB-JOHNSTOWN, US
6167 1830 3621 458 CELLCO-PART, US
209 1670 4890 277 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 1264 100 1020 AKAMAI-ASN1, NL
3215 926 4886 285 France Telecom - Orange, FR
3257 926 2075 747 GTT-BACKBONE GTT, US
25019 846 1299 129 SAUDINETSTC-AS, SA
34984 654 73 475 TELLCOM-AS, TR
8452 618 1842 17 TE-AS TE-AS, EG
8376 572 53 22 Jordan Data Communications, JO
51167 567 113 250 CONTABO, DE
203214 563 42 350 HULUMTELE, IQ
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 7607 2087 996 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1876 282 1276 Telmex Colombia S.A., CO
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
26615 987 2503 53 TIM SA, BR
18881 883 1127 31 TELEFONICA BRASIL S.A, BR
27651 656 95 43 ENTEL CHILE S.A., CL
28006 643 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 545 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 1473 389 16 LINKdotNET-AS, EG
29571 1211 101 69 ORANGE-COTE-IVOIRE, CI
20011 981 185 285 INTERNET-SOLUTIONS, ZA
24835 807 504 37 RAYA-AS, EG
36935 687 520 41 Vodafone-, EG
36992 604 1229 126 ETISALAT-MISR, EG
36914 544 82 3 KENET-AS, KE
37069 456 1030 15 MOBINIL, EG
36903 417 195 306 MT-MPLS, MA
2018 372 318 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 13003 39641 3947 AMAZON-02, US
9808 10125 8753 88 CHINAMOBILE-CN China Mobile Communication
8151 7607 2087 996 UNINET, MX
22773 3397 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
4155 2595 194 1584 USDA-1, US
367 2460 2888 1189 DNIC-ASBLK-00306-00371, US
36352 2385 198 1064 AS-COLOCROSSING, US
7018 2214 22907 1579 ATT-INTERNET4, US
11830 1992 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 10125 10037 CHINAMOBILE-CN China Mobile Communications Grou
8151 7607 6611 UNINET, MX
22773 3397 3217 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1892 1676 ATLANTICBB-JOHNSTOWN, US
56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1473 1457 LINKdotNET-AS, EG
56047 1480 1427 CMNET-HUNAN-AP China Mobile communications corp
56046 1584 1397 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
23.140.216.0/24 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
41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22 Transit: 2914 NTT-DATA-2914, 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 /12:151
/13:216 /14:577 /15:1100 /16:7583 /17:3440 /18:4203
/19:7759 /20:12384 /21:15645 /22:28073 /23:27773 /24:156130
/25:61 /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 3951 7607 UNINET, MX
22773 2536 3397 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 13003 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 1036 1876 Telmex Colombia S.A., CO
36352 973 2385 AS-COLOCROSSING, US
209 966 1670 CENTURYLINK-US-LEGACY-QWEST, US
19901 943 1193 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)
----------------------------------------------
1:65 2:480 3:609 4:5 5:833 6:149
7:5 8:636 11:171 12:997 13:295 14:136
15:301 16:241 17:5 18:886 20:161 21:4
22:188 23:2495 24:776 27:26 29:19 31:535
32:18 34:10 35:133 36:1228 37:1061 38:2102
39:543 40:54 41:959 42:221 43:203 44:33
45:4008 46:944 47:83 49:52 50:359 51:380
52:1383 54:276 55:877 56:11 57:18 58:45
59:28 60:16 61:74 62:552 63:776 64:1878
65:1080 66:1577 67:994 68:423 69:1198 70:428
71:209 72:756 74:983 75:435 76:247 77:457
78:336 79:276 80:304 81:348 82:761 83:234
84:362 85:494 86:236 87:250 88:287 89:849
90:105 91:1000 92:686 93:454 94:953 95:736
96:310 97:64 98:473 99:160 100:35 101:24
102:437 103:1261 104:1473 105:135 106:59 107:1494
108:537 109:410 110:57 111:1907 112:463 113:41
114:62 115:19 116:56 117:1039 118:167 119:130
120:1163 121:42 122:130 123:155 124:57 125:25
128:469 129:284 130:665 131:939 132:566 133:213
134:483 135:117 136:581 137:496 138:973 139:434
140:713 141:436 142:969 143:671 144:420 145:109
146:685 147:479 148:860 149:766 150:375 151:636
152:510 153:127 154:1525 155:813 156:1222 157:369
158:511 159:733 160:936 161:707 162:992 163:352
164:726 165:830 166:746 167:640 168:1188 169:151
170:1630 171:120 172:1401 173:815 174:253 175:51
176:525 177:1040 178:514 179:746 180:50 181:1760
182:29 183:855 184:501 185:3445 186:2137 187:1477
188:796 189:1815 190:4403 191:437 192:5155 193:1845
194:1242 195:946 196:803 197:1556 198:2709 199:4903
200:3676 201:3359 202:985 203:721 204:2169 205:1957
206:1550 207:1507 208:1357 209:1990 210:310 211:431
212:1094 213:870 214:1000 215:42 216:2503 217:428
218:522 219:19 220:20 221:301 222:32 223:725
End of report
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