[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Feb 24 20:16:57 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Mon 24 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: 257508
Prefixes after maximum aggregation (per Origin AS): 112098
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 134104
Number of IPv4 prefixes with a valid ROA: 116551
Number of IPv4 prefixes with an invalid ROA: 24
Number of IPv4 prefixes with no ROA: 140933
Total ASes present in the Internet Routing Table: 20189
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 17363
Origin ASes announcing only one prefix: 7709
Transit ASes present in the Internet Routing Table: 2826
Transit-only ASes present in the Internet Routing Table: 723
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: 298
Number of instances of unregistered ASNs: 299
Number of 32-bit ASNs allocated by the RIRs: 46191
Number of 32-bit ASNs visible in the Routing Table: 7872
Prefixes from 32-bit ASNs in the Routing Table: 29462
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: 138
Number of addresses announced to Internet: 1555779069
Equivalent to 92 /8s, 187 /16s and 77 /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: 81861
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31746
Total APNIC prefixes after maximum aggregation: 7637
APNIC Deaggregation factor: 4.16
Prefixes being announced from the APNIC address blocks: 30936
Unique aggregates announced from the APNIC address blocks: 8416
APNIC Region origin ASes present in the Internet Routing Table: 1201
APNIC Prefixes per ASN: 25.76
APNIC Region origin ASes announcing only one prefix: 468
APNIC Region transit ASes present in the Internet Routing Table: 215
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: 541
Number of APNIC addresses announced to Internet: 168866156
Equivalent to 10 /8s, 16 /16s and 177 /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: 118862
Total ARIN prefixes after maximum aggregation: 61235
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117037
Unique aggregates announced from the ARIN address blocks: 62197
ARIN Region origin ASes present in the Internet Routing Table: 9171
ARIN Prefixes per ASN: 12.76
ARIN Region origin ASes announcing only one prefix: 3843
ARIN Region transit ASes present in the Internet Routing Table: 846
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: 2084
Number of ARIN addresses announced to Internet: 958447105
Equivalent to 57 /8s, 32 /16s and 190 /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: 46554
Total RIPE prefixes after maximum aggregation: 25525
RIPE Deaggregation factor: 1.82
Prefixes being announced from the RIPE address blocks: 48254
Unique aggregates announced from the RIPE address blocks: 35859
RIPE Region origin ASes present in the Internet Routing Table: 4509
RIPE Prefixes per ASN: 10.70
RIPE Region origin ASes announcing only one prefix: 1856
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: 1825
Number of RIPE addresses announced to Internet: 287319120
Equivalent to 17 /8s, 32 /16s and 36 /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: 49430
Total LACNIC prefixes after maximum aggregation: 14951
LACNIC Deaggregation factor: 3.31
Prefixes being announced from the LACNIC address blocks: 48262
Unique aggregates announced from the LACNIC address blocks: 23197
LACNIC Region origin ASes present in the Internet Routing Table: 4172
LACNIC Prefixes per ASN: 11.57
LACNIC Region origin ASes announcing only one prefix: 1418
LACNIC Region transit ASes present in the Internet Routing Table: 865
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: 3269
Number of LACNIC addresses announced to Internet: 99207744
Equivalent to 5 /8s, 233 /16s and 202 /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: 10618
Total AfriNIC prefixes after maximum aggregation: 2542
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 12881
Unique aggregates announced from the AfriNIC address blocks: 4319
AfriNIC Region origin ASes present in the Internet Routing Table: 287
AfriNIC Prefixes per ASN: 44.88
AfriNIC Region origin ASes announcing only one prefix: 124
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: 153
Number of AfriNIC addresses announced to Internet: 41876736
Equivalent to 2 /8s, 126 /16s and 253 /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 1574 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1540 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1503 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 476 763 139 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 12787 39189 3789 AMAZON-02, US
22773 3365 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2524 2917 1228 DNIC-ASBLK-00306-00371, US
4155 2366 171 1434 USDA-1, US
7018 2220 22922 1588 ATT-INTERNET4, US
11776 1876 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1780 3507 459 CELLCO-PART, US
209 1676 4890 282 CENTURYLINK-US-LEGACY-QWEST, US
36352 1570 120 935 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 1270 98 1008 AKAMAI-ASN1, NL
3215 894 4818 290 France Telecom - Orange, FR
3257 791 2069 693 GTT-BACKBONE GTT, US
34984 745 77 435 TELLCOM-AS, TR
8452 678 1759 132 TE-AS TE-AS, EG
25019 661 1015 139 SAUDINETSTC-AS, SA
8376 587 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 551 40 485 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 6629 1778 915 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 1013 2503 53 TIM SA, BR
18881 874 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 1474 389 16 LINKdotNET-AS, EG
29571 1123 80 381 ORANGE-COTE-IVOIRE, CI
20011 980 183 284 INTERNET-SOLUTIONS, ZA
24835 834 509 46 RAYA-AS, EG
36935 705 522 48 Vodafone-, EG
36992 638 1225 130 ETISALAT-MISR, EG
37069 614 1031 15 MOBINIL, EG
36914 554 82 3 KENET-AS, KE
36903 406 190 295 MT-MPLS, MA
2018 373 319 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 12787 39189 3789 AMAZON-02, US
9808 10150 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 6629 1778 915 UNINET, MX
22773 3365 3017 174 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2524 2917 1228 DNIC-ASBLK-00306-00371, US
4155 2366 171 1434 USDA-1, US
7018 2220 22922 1588 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 6629 5714 UNINET, MX
22773 3365 3191 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
56041 1540 1462 CMNET-ZHEJIANG-AP China Mobile communications c
24863 1474 1458 LINKdotNET-AS, EG
56047 1503 1450 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
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 /14:577 /15:1104 /16:7574 /17:3356 /18:4171
/19:7533 /20:12313 /21:15015 /22:27557 /23:27016 /24:150616
/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 3539 6629 UNINET, MX
22773 2507 3365 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2278 12787 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 1676 CENTURYLINK-US-LEGACY-QWEST, US
19901 920 1148 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 2:488 3:568 4:5 5:791 6:152
7:5 8:635 11:171 12:981 13:293 14:118
15:297 16:237 17:5 18:885 20:126 21:4
22:188 23:2248 24:677 27:26 29:19 31:408
32:17 34:12 35:130 36:1239 37:611 38:2074
39:540 40:54 41:992 42:209 43:191 44:25
45:3799 46:916 47:86 49:29 50:580 51:372
52:1386 54:279 55:1091 56:9 57:19 58:27
59:28 60:16 61:77 62:529 63:763 64:1732
65:1064 66:1500 67:934 68:398 69:1161 70:443
71:200 72:671 74:930 75:421 76:236 77:467
78:346 79:287 80:272 81:345 82:555 83:220
84:340 85:591 86:224 87:254 88:243 89:752
90:96 91:947 92:634 93:373 94:770 95:616
96:247 97:65 98:448 99:165 100:36 101:32
102:322 103:1184 104:1107 105:215 106:35 107:1172
108:513 109:388 110:31 111:1911 112:460 113:52
114:49 115:29 116:51 117:1040 118:172 119:120
120:1168 121:43 122:113 123:146 124:57 125:28
128:452 129:278 130:644 131:906 132:577 133:212
134:444 135:117 136:575 137:512 138:1004 139:405
140:701 141:429 142:915 143:716 144:409 145:72
146:655 147:467 148:772 149:679 150:367 151:670
152:530 153:124 154:989 155:791 156:1090 157:367
158:485 159:657 160:881 161:609 162:936 163:338
164:728 165:771 166:604 167:638 168:1524 169:142
170:1643 171:122 172:1133 173:791 174:233 175:67
176:632 177:1114 178:512 179:816 180:70 181:1827
182:40 183:877 184:481 185:3388 186:2391 187:1412
188:752 189:1549 190:5052 191:457 192:4814 193:1748
194:1177 195:910 196:643 197:1517 198:2571 199:4683
200:3886 201:3354 202:980 203:693 204:2087 205:1990
206:1544 207:1434 208:1315 209:1813 210:317 211:425
212:963 213:778 214:1018 215:42 216:2353 217:463
218:524 219:22 220:30 221:301 222:30 223:740
End of report
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