[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jan 28 20:17:00 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Tue 28 Jan, 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: 256873
Prefixes after maximum aggregation (per Origin AS): 111890
Deaggregation factor: 2.30
Unique aggregates announced (without unneeded subnets): 135031
Number of IPv4 prefixes with a valid ROA: 114704
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 142151
Total ASes present in the Internet Routing Table: 20014
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 17183
Origin ASes announcing only one prefix: 7676
Transit ASes present in the Internet Routing Table: 2831
Transit-only ASes present in the Internet Routing Table: 734
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: 300
Number of instances of unregistered ASNs: 301
Number of 32-bit ASNs allocated by the RIRs: 46077
Number of 32-bit ASNs visible in the Routing Table: 7802
Prefixes from 32-bit ASNs in the Routing Table: 29733
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: 146
Number of addresses announced to Internet: 1524884989
Equivalent to 90 /8s, 227 /16s and 229 /24s
Percentage of available address space announced: 41.2
Percentage of allocated address space announced: 41.2
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: 81616
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31792
Total APNIC prefixes after maximum aggregation: 7794
APNIC Deaggregation factor: 4.08
Prefixes being announced from the APNIC address blocks: 30519
Unique aggregates announced from the APNIC address blocks: 8124
APNIC Region origin ASes present in the Internet Routing Table: 1147
APNIC Prefixes per ASN: 26.61
APNIC Region origin ASes announcing only one prefix: 440
APNIC Region transit ASes present in the Internet Routing Table: 231
Average APNIC Region AS path length visible: 7.3
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 498
Number of APNIC addresses announced to Internet: 170348396
Equivalent to 10 /8s, 39 /16s and 79 /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, 131072-153913
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: 119276
Total ARIN prefixes after maximum aggregation: 61419
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117542
Unique aggregates announced from the ARIN address blocks: 62963
ARIN Region origin ASes present in the Internet Routing Table: 9081
ARIN Prefixes per ASN: 12.94
ARIN Region origin ASes announcing only one prefix: 3821
ARIN Region transit ASes present in the Internet Routing Table: 842
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: 2049
Number of ARIN addresses announced to Internet: 951944577
Equivalent to 56 /8s, 189 /16s and 133 /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: 45497
Total RIPE prefixes after maximum aggregation: 24772
RIPE Deaggregation factor: 1.84
Prefixes being announced from the RIPE address blocks: 47123
Unique aggregates announced from the RIPE address blocks: 34724
RIPE Region origin ASes present in the Internet Routing Table: 4373
RIPE Prefixes per ASN: 10.78
RIPE Region origin ASes announcing only one prefix: 1833
RIPE Region transit ASes present in the Internet Routing Table: 657
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: 1753
Number of RIPE addresses announced to Internet: 262465232
Equivalent to 15 /8s, 164 /16s and 230 /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: 49879
Total LACNIC prefixes after maximum aggregation: 15019
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 48630
Unique aggregates announced from the LACNIC address blocks: 23005
LACNIC Region origin ASes present in the Internet Routing Table: 4257
LACNIC Prefixes per ASN: 11.42
LACNIC Region origin ASes announcing only one prefix: 1459
LACNIC Region transit ASes present in the Internet Routing Table: 888
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3350
Number of LACNIC addresses announced to Internet: 99476544
Equivalent to 5 /8s, 237 /16s and 228 /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: 10129
Total AfriNIC prefixes after maximum aggregation: 2672
AfriNIC Deaggregation factor: 3.79
Prefixes being announced from the AfriNIC address blocks: 12913
Unique aggregates announced from the AfriNIC address blocks: 6091
AfriNIC Region origin ASes present in the Internet Routing Table: 294
AfriNIC Prefixes per ASN: 43.92
AfriNIC Region origin ASes announcing only one prefix: 123
AfriNIC Region transit ASes present in the Internet Routing Table: 72
Average AfriNIC Region AS path length visible: 6.6
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 152
Number of AfriNIC addresses announced to Internet: 40581632
Equivalent to 2 /8s, 107 /16s and 58 /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 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1570 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1539 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 825 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17561 618 39 386 LCS-AS-AP LARUS Limited, HK
17676 472 9183 149 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 12629 38874 3703 AMAZON-02, US
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2542 3018 1220 DNIC-ASBLK-00306-00371, US
7018 2518 23070 1783 ATT-INTERNET4, US
4155 2332 166 1412 USDA-1, US
36352 2150 179 957 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1740 3431 442 CELLCO-PART, US
209 1685 4892 287 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 1239 96 993 AKAMAI-ASN1, NL
3215 892 4818 289 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 627 1756 124 TE-AS TE-AS, EG
25019 601 1007 132 SAUDINETSTC-AS, SA
8376 581 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 544 39 484 CDNEXT, GB
47524 478 70 220 AS-TURKSAT, TR
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 5965 1724 780 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1763 262 1244 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1105 371 22 Telefonica del Peru S.A.A., PE
26615 1002 2503 53 TIM SA, BR
18881 869 1127 31 TELEFONICA BRASIL S.A, BR
27651 725 106 49 ENTEL CHILE S.A., CL
28006 641 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
26599 558 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 1464 389 16 LINKdotNET-AS, EG
20011 978 180 282 INTERNET-SOLUTIONS, ZA
24835 800 381 135 RAYA-AS, EG
29571 693 60 369 ORANGE-COTE-IVOIRE, CI
36992 637 1225 129 ETISALAT-MISR, EG
37069 610 1031 15 MOBINIL, EG
36935 572 519 46 Vodafone-, EG
36914 549 82 3 KENET-AS, KE
36903 396 185 288 MT-MPLS, MA
2018 378 319 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 12629 38874 3703 AMAZON-02, US
9808 10151 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5965 1724 780 UNINET, MX
22773 3377 3017 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
367 2542 3018 1220 DNIC-ASBLK-00306-00371, US
7018 2518 23070 1783 ATT-INTERNET4, US
4155 2332 166 1412 USDA-1, US
36352 2150 179 957 AS-COLOCROSSING, 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 10151 10064 CHINAMOBILE-CN China Mobile Communications Grou
8151 5965 5185 UNINET, MX
22773 3377 3197 ASN-CXA-ALL-CCI-22773-RDC, US
11830 1992 1928 Instituto Costarricense de Electricidad y Telec
39891 1936 1886 ALJAWWALSTC-AS, SA
11776 1888 1672 ATLANTICBB-JOHNSTOWN, US
56041 1539 1461 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
24863 1464 1448 LINKdotNET-AS, EG
209 1685 1398 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
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 /11:40 /12:146
/13:207 /14:557 /15:1082 /16:7509 /17:3390 /18:4118
/19:7511 /20:12216 /21:14943 /22:27454 /23:27391 /24:150047
/25:48 /26:77 /27:38 /28:17 /29:16 /30:10
/31:0 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8151 3154 5965 UNINET, MX
22773 2516 3377 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2255 12629 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
10620 991 1763 Telmex Colombia S.A., CO
7018 990 2518 ATT-INTERNET4, US
209 971 1685 CENTURYLINK-US-LEGACY-QWEST, US
19901 907 1115 BRSPD-PUBLIC, US
11776 895 1888 ATLANTICBB-JOHNSTOWN, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:60 2:472 3:561 4:5 5:776 6:152
7:5 8:659 11:171 12:978 13:294 14:111
15:296 16:234 17:5 18:877 20:157 21:4
22:188 23:2350 24:689 27:29 29:19 31:401
32:19 34:7 35:114 36:1226 37:595 38:1988
39:540 40:53 41:995 42:209 43:165 44:33
45:3762 46:960 47:88 49:27 50:361 51:374
52:1387 54:286 55:1135 56:9 57:16 58:32
59:28 60:16 61:77 62:532 63:767 64:1815
65:1093 66:1569 67:945 68:426 69:1188 70:433
71:204 72:674 74:913 75:429 76:242 77:445
78:294 79:289 80:261 81:349 82:364 83:198
84:321 85:484 86:215 87:226 88:258 89:764
90:62 91:963 92:635 93:442 94:836 95:527
96:240 97:55 98:475 99:163 100:36 101:28
102:319 103:950 104:1145 105:122 106:39 107:1419
108:509 109:378 110:30 111:1913 112:458 113:39
114:49 115:24 116:55 117:1050 118:167 119:116
120:1165 121:41 122:122 123:147 124:54 125:24
128:451 129:278 130:652 131:927 132:563 133:212
134:433 135:114 136:588 137:492 138:998 139:390
140:690 141:439 142:917 143:677 144:406 145:72
146:634 147:486 148:739 149:637 150:367 151:675
152:682 153:120 154:1124 155:769 156:1345 157:365
158:484 159:652 160:640 161:577 162:931 163:354
164:723 165:804 166:615 167:643 168:1560 169:151
170:1640 171:100 172:1173 173:785 174:230 175:47
176:418 177:1266 178:516 179:804 180:71 181:1914
182:44 183:874 184:455 185:3198 186:2384 187:1194
188:735 189:1472 190:5042 191:495 192:4915 193:1725
194:1136 195:886 196:721 197:1652 198:2552 199:4594
200:3985 201:3329 202:972 203:692 204:2067 205:1972
206:1563 207:1460 208:1281 209:1906 210:312 211:426
212:940 213:710 214:1003 215:36 216:2422 217:433
218:523 219:22 220:25 221:301 222:30 223:733
End of report
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