[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jan 22 20:16:59 UTC 2025
IPv4 R&E Routing Table Report 20:15 GMT Wed 22 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: 258077
Prefixes after maximum aggregation (per Origin AS): 112504
Deaggregation factor: 2.29
Unique aggregates announced (without unneeded subnets): 136317
Number of IPv4 prefixes with a valid ROA: 114490
Number of IPv4 prefixes with an invalid ROA: 19
Number of IPv4 prefixes with no ROA: 143568
Total ASes present in the Internet Routing Table: 20058
Prefixes per ASN: 12.87
Origin-only ASes present in the Internet Routing Table: 17198
Origin ASes announcing only one prefix: 7665
Transit ASes present in the Internet Routing Table: 2860
Transit-only ASes present in the Internet Routing Table: 751
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: 312
Number of instances of unregistered ASNs: 313
Number of 32-bit ASNs allocated by the RIRs: 46044
Number of 32-bit ASNs visible in the Routing Table: 7837
Prefixes from 32-bit ASNs in the Routing Table: 30184
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: 159
Number of addresses announced to Internet: 1532280061
Equivalent to 91 /8s, 84 /16s and 188 /24s
Percentage of available address space announced: 41.4
Percentage of allocated address space announced: 41.4
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: 81649
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 31977
Total APNIC prefixes after maximum aggregation: 7759
APNIC Deaggregation factor: 4.12
Prefixes being announced from the APNIC address blocks: 30527
Unique aggregates announced from the APNIC address blocks: 8071
APNIC Region origin ASes present in the Internet Routing Table: 1105
APNIC Prefixes per ASN: 27.63
APNIC Region origin ASes announcing only one prefix: 424
APNIC Region transit ASes present in the Internet Routing Table: 227
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: 484
Number of APNIC addresses announced to Internet: 170693996
Equivalent to 10 /8s, 44 /16s and 149 /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: 119547
Total ARIN prefixes after maximum aggregation: 61599
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 117535
Unique aggregates announced from the ARIN address blocks: 62885
ARIN Region origin ASes present in the Internet Routing Table: 9074
ARIN Prefixes per ASN: 12.95
ARIN Region origin ASes announcing only one prefix: 3801
ARIN Region transit ASes present in the Internet Routing Table: 843
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: 2051
Number of ARIN addresses announced to Internet: 958765185
Equivalent to 57 /8s, 37 /16s and 152 /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: 45293
Total RIPE prefixes after maximum aggregation: 24787
RIPE Deaggregation factor: 1.83
Prefixes being announced from the RIPE address blocks: 46915
Unique aggregates announced from the RIPE address blocks: 34728
RIPE Region origin ASes present in the Internet Routing Table: 4389
RIPE Prefixes per ASN: 10.69
RIPE Region origin ASes announcing only one prefix: 1844
RIPE Region transit ASes present in the Internet Routing Table: 656
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: 262700240
Equivalent to 15 /8s, 168 /16s and 124 /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: 50268
Total LACNIC prefixes after maximum aggregation: 15162
LACNIC Deaggregation factor: 3.32
Prefixes being announced from the LACNIC address blocks: 49046
Unique aggregates announced from the LACNIC address blocks: 23365
LACNIC Region origin ASes present in the Internet Routing Table: 4297
LACNIC Prefixes per ASN: 11.41
LACNIC Region origin ASes announcing only one prefix: 1469
LACNIC Region transit ASes present in the Internet Routing Table: 906
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: 3391
Number of LACNIC addresses announced to Internet: 99695168
Equivalent to 5 /8s, 241 /16s and 58 /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: 10680
Total AfriNIC prefixes after maximum aggregation: 2976
AfriNIC Deaggregation factor: 3.59
Prefixes being announced from the AfriNIC address blocks: 13895
Unique aggregates announced from the AfriNIC address blocks: 7136
AfriNIC Region origin ASes present in the Internet Routing Table: 309
AfriNIC Prefixes per ASN: 44.97
AfriNIC Region origin ASes announcing only one prefix: 127
AfriNIC Region transit ASes present in the Internet Routing Table: 84
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: 158
Number of AfriNIC addresses announced to Internet: 40352768
Equivalent to 2 /8s, 103 /16s and 188 /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 10152 8753 87 CHINAMOBILE-CN China Mobile Communication
56046 1568 803 179 CMNET-JIANGSU-AP China Mobile communicati
56041 1537 714 78 CMNET-ZHEJIANG-AP China Mobile communicat
56047 1504 192 52 CMNET-HUNAN-AP China Mobile communication
24547 828 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
17561 803 51 451 LCS-AS-AP LARUS Limited, HK
24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
2907 642 2202 464 SINET-AS Research Organization of Informa
17676 481 9343 152 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 12595 38855 3708 AMAZON-02, US
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2533 3014 1213 DNIC-ASBLK-00306-00371, US
7018 2513 23069 1777 ATT-INTERNET4, US
4155 2323 165 1407 USDA-1, US
36352 1972 169 859 AS-COLOCROSSING, US
11776 1888 257 216 ATLANTICBB-JOHNSTOWN, US
6167 1763 3433 445 CELLCO-PART, US
209 1660 4893 288 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 1254 98 1003 AKAMAI-ASN1, NL
3215 888 4814 286 France Telecom - Orange, FR
3257 793 2069 695 GTT-BACKBONE GTT, US
8452 616 1756 124 TE-AS TE-AS, EG
25019 616 1007 132 SAUDINETSTC-AS, SA
8376 588 54 24 Jordan Data Communications, JO
51167 566 112 249 CONTABO, DE
212238 545 39 485 CDNEXT, GB
47524 479 70 217 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 5774 1697 784 UNINET, MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
10620 1682 251 1193 Telmex Colombia S.A., CO
3816 1327 777 209 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1107 371 21 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 640 77 293 CORPORACION NACIONAL DE TELECOMUNICACIONE
13999 555 91 235 Mega Cable, S.A. de C.V., MX
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 1545 389 18 LINKdotNET-AS, EG
20011 971 179 275 INTERNET-SOLUTIONS, ZA
29571 871 55 484 ORANGE-COTE-IVOIRE, CI
24835 799 381 135 RAYA-AS, EG
37069 640 1031 15 MOBINIL, EG
36992 637 1225 129 ETISALAT-MISR, EG
36935 551 120 162 Vodafone-, EG
36914 550 82 3 KENET-AS, KE
36903 447 210 308 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 12595 38855 3708 AMAZON-02, US
9808 10152 8753 87 CHINAMOBILE-CN China Mobile Communication
8151 5774 1697 784 UNINET, MX
22773 3376 3017 179 ASN-CXA-ALL-CCI-22773-RDC, US
749 3261 54895 2508 DNIC-AS-00749, US
367 2533 3014 1213 DNIC-ASBLK-00306-00371, US
7018 2513 23069 1777 ATT-INTERNET4, US
4155 2323 165 1407 USDA-1, US
11830 1992 369 64 Instituto Costarricense de Electricidad y
36352 1972 169 859 AS-COLOCROSSING, US
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 10152 10065 CHINAMOBILE-CN China Mobile Communications Grou
8151 5774 4990 UNINET, MX
22773 3376 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
24863 1545 1527 LINKdotNET-AS, EG
56041 1537 1459 CMNET-ZHEJIANG-AP China Mobile communications c
56047 1504 1452 CMNET-HUNAN-AP China Mobile communications corp
56046 1568 1389 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 /11:39 /12:146
/13:211 /14:565 /15:1094 /16:7536 /17:3414 /18:4119
/19:7539 /20:12323 /21:15153 /22:27654 /23:27525 /24:150512
/25:42 /26:68 /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 2938 5774 UNINET, MX
22773 2516 3376 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2251 12595 AMAZON-02, US
11830 1693 1992 Instituto Costarricense de Electricidad y Telecom., CR
39891 1081 1936 ALJAWWALSTC-AS, SA
7018 988 2513 ATT-INTERNET4, US
209 946 1660 CENTURYLINK-US-LEGACY-QWEST, US
10620 935 1682 Telmex Colombia S.A., CO
19901 905 1108 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 3:546 4:5 5:766 6:152
7:5 8:661 11:171 12:976 13:296 14:111
15:295 16:234 17:5 18:871 20:172 21:4
22:188 23:2347 24:690 27:37 29:19 31:427
32:19 34:7 35:108 36:1225 37:556 38:1992
39:538 40:53 41:1000 42:209 43:175 44:33
45:3835 46:954 47:88 49:28 50:363 51:375
52:1386 54:286 55:1026 56:9 57:16 58:32
59:28 60:16 61:76 62:535 63:766 64:1820
65:1096 66:1534 67:940 68:445 69:1169 70:432
71:205 72:687 74:912 75:431 76:254 77:445
78:295 79:281 80:265 81:339 82:339 83:193
84:323 85:472 86:217 87:229 88:261 89:581
90:62 91:980 92:635 93:445 94:853 95:564
96:219 97:55 98:474 99:163 100:36 101:28
102:310 103:896 104:1106 105:215 106:36 107:1414
108:490 109:376 110:32 111:1911 112:457 113:39
114:50 115:24 116:57 117:1048 118:180 119:131
120:1165 121:40 122:124 123:150 124:54 125:24
128:448 129:274 130:662 131:935 132:558 133:212
134:490 135:113 136:585 137:539 138:1009 139:391
140:694 141:339 142:912 143:676 144:404 145:77
146:638 147:490 148:753 149:637 150:369 151:676
152:698 153:130 154:1442 155:759 156:1416 157:390
158:486 159:680 160:815 161:590 162:924 163:349
164:719 165:797 166:608 167:646 168:1564 169:145
170:1627 171:102 172:1166 173:768 174:233 175:34
176:403 177:1349 178:488 179:828 180:73 181:1918
182:36 183:874 184:458 185:3139 186:2448 187:1130
188:775 189:1460 190:5009 191:500 192:4933 193:1698
194:1136 195:867 196:729 197:1672 198:2565 199:4607
200:3923 201:3374 202:1035 203:679 204:2066 205:1977
206:1574 207:1439 208:1296 209:1910 210:296 211:427
212:960 213:728 214:1007 215:36 216:2419 217:418
218:521 219:22 220:27 221:301 222:30 223:731
End of report
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