[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Feb 26 20:15:39 UTC 2023
IPv4 R&E Routing Table Report 20:15 GMT Sun 26 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: 20501
Prefixes after maximum aggregation (per Origin AS): 11220
Deaggregation factor: 1.83
Unique aggregates announced (without unneeded subnets): 12538
Number of IPv4 prefixes with a valid ROA: 5949
Number of IPv4 prefixes with an invalid ROA: 99
Number of IPv4 prefixes with no ROA: 14453
Total ASes present in the Internet Routing Table: 2833
Prefixes per ASN: 7.24
Origin-only ASes present in the Internet Routing Table: 2432
Origin ASes announcing only one prefix: 1077
Transit ASes present in the Internet Routing Table: 401
Transit-only ASes present in the Internet Routing Table: 87
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 4.0
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: 41307
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 1819
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: 267792371
Equivalent to 15 /8s, 246 /16s and 47 /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: 2603
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5164
Total APNIC prefixes after maximum aggregation: 2423
APNIC Deaggregation factor: 2.13
Prefixes being announced from the APNIC address blocks: 5022
Unique aggregates announced from the APNIC address blocks: 2755
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.58
APNIC Region origin ASes announcing only one prefix: 249
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: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 47681644
Equivalent to 2 /8s, 215 /16s and 144 /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: 9379
Total ARIN prefixes after maximum aggregation: 5121
ARIN Deaggregation factor: 1.83
Prefixes being announced from the ARIN address blocks: 9401
Unique aggregates announced from the ARIN address blocks: 5636
ARIN Region origin ASes present in the Internet Routing Table: 1247
ARIN Prefixes per ASN: 7.54
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: 187
Number of ARIN addresses announced to Internet: 145320993
Equivalent to 8 /8s, 169 /16s and 108 /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: 3697
Total RIPE prefixes after maximum aggregation: 2898
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 3817
Unique aggregates announced from the RIPE address blocks: 3064
RIPE Region origin ASes present in the Internet Routing Table: 702
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 313
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 147
Number of RIPE addresses announced to Internet: 67504198
Equivalent to 4 /8s, 6 /16s and 8 /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: 1397
Total LACNIC prefixes after maximum aggregation: 568
LACNIC Deaggregation factor: 2.46
Prefixes being announced from the LACNIC address blocks: 1395
Unique aggregates announced from the LACNIC address blocks: 785
LACNIC Region origin ASes present in the Internet Routing Table: 157
LACNIC Prefixes per ASN: 8.89
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 24
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: 62
Number of LACNIC addresses announced to Internet: 4499232
Equivalent to 0 /8s, 68 /16s and 167 /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: 859
Total AfriNIC prefixes after maximum aggregation: 205
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 863
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 16.92
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2785280
Equivalent to 0 /8s, 42 /16s and 128 /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 593 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
45102 327 511 103 ALIBABA-CN-NET Alibaba US Technology Co
1237 192 74 134 KREONET-AS-KR KISTI, KR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
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 2258 65 GOOGLE, US
8075 316 12787 271 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 218 507 93 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
6939 198 125 148 HURRICANE, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 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
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
3267 67 64 28 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
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 370 319 72 TENET-1, ZA
36914 86 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 60 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
327700 30 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 2258 65 GOOGLE, US
2907 593 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 370 319 72 TENET-1, ZA
45102 327 511 103 ALIBABA-CN-NET Alibaba US Technology Co
8075 316 12787 271 MICROSOFT-CORP-MSN-AS-BLOCK, US
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
2152 218 507 93 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
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 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 370 298 TENET-1, ZA
45102 327 224 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
5786 199 198 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
2907 593 129 SINET-AS Research Organization of Information a
2152 218 125 CSUNET-NW, 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
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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
/13:38 /14:68 /15:152 /16:2128 /17:472 /18:505
/19:728 /20:907 /21:905 /22:1553 /23:1652 /24:11031
/25:88 /26:60 /27:96 /28:18 /29:18 /30:21
/31:1 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 272 800 GOOGLE, US
8895 172 177 ISU Internet Services Unit ISU, SA
6939 80 198 HURRICANE, US
32440 78 93 LONI, US
36914 77 86 KENET-AS, KE
23024 52 113 OCDE, US
8075 50 316 MICROSOFT-CORP-MSN-AS-BLOCK, US
18632 34 65 VOLCANO-VISION, US
46115 32 35 LUTHER, US
37182 31 32 TERNET, TZ
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 23:17 24:3 31:7 34:2 35:7
38:9 40:1 41:132 42:15 43:8 44:5
45:46 46:6 47:42 49:7 50:4 52:2
58:12 59:21 60:4 61:3 62:22 63:38
64:86 65:8 66:57 67:45 68:8 69:26
70:11 71:1 72:17 74:118 76:40 77:9
78:4 79:10 80:19 81:28 82:6 83:6
84:13 85:44 86:10 87:1 89:10 91:47
92:2 93:4 94:8 95:2 96:5 97:2
98:2 101:8 102:15 103:334 104:79 107:16
108:46 109:11 110:4 111:17 113:4 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:4 128:86 129:42 130:87
131:65 132:50 133:149 134:101 136:199 137:91
138:11 139:8 140:47 141:1 142:235 143:30
144:25 145:4 146:133 147:54 148:193 149:12
150:132 151:9 152:79 153:14 154:30 155:57
156:69 157:34 158:38 159:115 160:27 161:26
162:22 163:74 164:10 165:51 166:2 167:19
168:117 169:11 170:83 171:1 172:92 173:84
175:31 176:9 177:9 178:1 179:10 180:17
181:1 182:1 184:5 185:64 186:3 187:19
188:13 189:3 190:18 191:36 192:1439 193:350
194:155 195:95 196:166 197:3 198:549 199:266
200:219 201:37 202:631 203:436 204:356 205:135
206:193 207:180 208:85 209:141 210:186 211:17
212:174 213:5 216:125 217:13 218:22 219:12
220:17 222:6 223:11
End of report
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