[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 7 20:15:40 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Tue 07 Feb, 2023
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: 20431
Prefixes after maximum aggregation (per Origin AS): 11147
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12438
Number of IPv4 prefixes with a valid ROA: 6042
Number of IPv4 prefixes with an invalid ROA: 72
Number of IPv4 prefixes with no ROA: 14317
Total ASes present in the Internet Routing Table: 2806
Prefixes per ASN: 7.28
Origin-only ASes present in the Internet Routing Table: 2411
Origin ASes announcing only one prefix: 1060
Transit ASes present in the Internet Routing Table: 395
Transit-only ASes present in the Internet Routing Table: 84
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 41201
Number of 32-bit ASNs visible in the Routing Table: 643
Prefixes from 32-bit ASNs in the Routing Table: 1791
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 267409549
Equivalent to 15 /8s, 240 /16s and 88 /24s
Percentage of available address space announced: 7.2
Percentage of allocated address space announced: 7.2
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: 2682
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5073
Total APNIC prefixes after maximum aggregation: 2416
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4935
Unique aggregates announced from the APNIC address blocks: 2751
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.48
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 70
Average APNIC Region AS path length visible: 4.0
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 224
Number of APNIC addresses announced to Internet: 47320684
Equivalent to 2 /8s, 210 /16s and 14 /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, 131072-151865
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: 9339
Total ARIN prefixes after maximum aggregation: 5079
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9379
Unique aggregates announced from the ARIN address blocks: 5609
ARIN Region origin ASes present in the Internet Routing Table: 1246
ARIN Prefixes per ASN: 7.53
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 163
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 188
Number of ARIN addresses announced to Internet: 145376801
Equivalent to 8 /8s, 170 /16s and 70 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3636
Total RIPE prefixes after maximum aggregation: 2881
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3735
Unique aggregates announced from the RIPE address blocks: 3012
RIPE Region origin ASes present in the Internet Routing Table: 687
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 67362048
Equivalent to 4 /8s, 3 /16s and 221 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
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: 1385
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1382
Unique aggregates announced from the LACNIC address blocks: 771
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 9.15
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4564480
Equivalent to 0 /8s, 69 /16s and 166 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 993
Total AfriNIC prefixes after maximum aggregation: 205
AfriNIC Deaggregation factor: 4.84
Prefixes being announced from the AfriNIC address blocks: 997
Unique aggregates announced from the AfriNIC address blocks: 292
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.17
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 4.0
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2784512
Equivalent to 0 /8s, 42 /16s and 125 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
2907 595 2157 463 SINET-AS Research Organization of Infor
7497 410 110 20 CSTNET-AS-AP Computer Network Informati
45102 320 510 100 ALIBABA-CN-NET Alibaba US Technology Co
1237 192 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 119 18 12 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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
15169 800 2322 65 GOOGLE, US
8075 315 12787 270 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 215 507 92 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
6939 171 119 122 HURRICANE, US
18558 134 18 4 NETBLK-RCOEK, US
270 117 305 83 AS270, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, 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
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
61468 46 3 14 CEDIA, EC
4270 45 16 1 Red de Interconexion Universitaria, AR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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
2018 359 319 68 TENET-1, ZA
36914 249 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 47 48 18 PUKNET, ZA
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 28 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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
15169 800 2322 65 GOOGLE, US
2907 595 2157 463 SINET-AS Research Organization of Infor
7497 410 110 20 CSTNET-AS-AP Computer Network Informati
2018 359 319 68 TENET-1, ZA
45102 320 510 100 ALIBABA-CN-NET Alibaba US Technology Co
8075 315 12787 270 MICROSOFT-CORP-MSN-AS-BLOCK, US
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 249 82 3 KENET-AS, KE
2152 215 507 92 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 410 390 CSTNET-AS-AP Computer Network Information Cente
2018 359 291 TENET-1, ZA
36914 249 246 KENET-AS, KE
45102 320 220 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
2907 595 132 SINET-AS Research Organization of Information a
18558 134 130 NETBLK-RCOEK, 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Origin: 6939 HURRICANE, US
192.88.99.0/24 Transit: 17579 KREONET2-AS-KR KISTI, KR
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 /8:0 /9:1 /10:4 /11:7 /12:23
/13:37 /14:69 /15:150 /16:2122 /17:473 /18:501
/19:731 /20:907 /21:898 /22:1521 /23:1640 /24:11048
/25:85 /26:58 /27:92 /28:19 /29:18 /30:21
/31:0 /32:6
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 270 800 GOOGLE, US
36914 236 249 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
32440 78 93 LONI, US
6939 65 171 HURRICANE, US
23024 52 113 OCDE, US
8075 50 315 MICROSOFT-CORP-MSN-AS-BLOCK, US
18632 34 65 VOLCANO-VISION, US
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 5:18 8:8 12:1 13:1
14:89 23:16 24:3 31:7 34:2 35:7
38:9 40:1 41:137 42:10 43:6 44:5
45:41 46:6 47:42 49:10 50:5 52:2
58:1 59:20 61:3 62:17 63:38 64:86
65:8 66:56 67:45 68:8 69:26 70:10
71:1 72:17 74:116 76:38 77:9 78:4
79:10 80:17 81:28 82:6 83:6 84:12
85:42 86:5 87:1 89:10 91:48 92:2
93:4 94:8 95:2 96:5 97:3 98:2
101:4 102:15 103:330 104:78 107:16 108:44
109:10 110:4 111:17 113:4 114:23 116:6
117:61 118:32 119:22 121:27 122:8 123:8
124:39 125:4 128:86 129:43 130:88 131:67
132:63 133:149 134:100 136:199 137:79 138:11
139:7 140:47 141:1 142:235 143:30 144:23
145:4 146:133 147:56 148:199 149:12 150:132
151:7 152:78 153:14 154:27 155:54 156:69
157:29 158:37 159:115 160:27 161:26 162:22
163:74 164:10 165:51 166:2 167:15 168:123
169:10 170:76 171:1 172:92 173:83 175:31
176:9 177:9 178:1 179:9 180:17 181:1
182:1 184:5 185:63 186:3 187:19 188:13
189:3 190:15 191:36 192:1436 193:349 194:154
195:92 196:153 197:152 198:537 199:264 200:218
201:35 202:628 203:436 204:356 205:136 206:194
207:179 208:81 209:141 210:186 211:18 212:174
213:5 216:126 217:10 218:22 219:6 220:17
222:5 223:2
End of report
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