[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jun 29 20:15:39 UTC 2022
IPv4 R&E Routing Table Report 20:15 GMT Wed 29 Jun, 2022
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: 20254
Prefixes after maximum aggregation (per Origin AS): 11035
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12253
Number of IPv4 prefixes with a valid ROA: 5431
Number of IPv4 prefixes with an invalid ROA: 55
Number of IPv4 prefixes with no ROA: 14768
Total ASes present in the Internet Routing Table: 2811
Prefixes per ASN: 7.21
Origin-only ASes present in the Internet Routing Table: 2414
Origin ASes announcing only one prefix: 1095
Transit ASes present in the Internet Routing Table: 397
Transit-only ASes present in the Internet Routing Table: 79
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: 20
Max AS path prepend of ASN ( 1149) 11
Prefixes from unregistered ASNs in the Routing Table: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 39682
Number of 32-bit ASNs visible in the Routing Table: 638
Prefixes from 32-bit ASNs in the Routing Table: 1712
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: 2
Number of addresses announced to Internet: 264858931
Equivalent to 15 /8s, 201 /16s and 109 /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: 2606
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5091
Total APNIC prefixes after maximum aggregation: 2408
APNIC Deaggregation factor: 2.11
Prefixes being announced from the APNIC address blocks: 4961
Unique aggregates announced from the APNIC address blocks: 2695
APNIC Region origin ASes present in the Internet Routing Table: 587
APNIC Prefixes per ASN: 8.45
APNIC Region origin ASes announcing only one prefix: 256
APNIC Region transit ASes present in the Internet Routing Table: 76
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: 232
Number of APNIC addresses announced to Internet: 47711084
Equivalent to 2 /8s, 216 /16s and 3 /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: 9167
Total ARIN prefixes after maximum aggregation: 4983
ARIN Deaggregation factor: 1.84
Prefixes being announced from the ARIN address blocks: 9257
Unique aggregates announced from the ARIN address blocks: 5580
ARIN Region origin ASes present in the Internet Routing Table: 1237
ARIN Prefixes per ASN: 7.48
ARIN Region origin ASes announcing only one prefix: 441
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 177
Number of ARIN addresses announced to Internet: 149794145
Equivalent to 8 /8s, 237 /16s and 173 /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: 3625
Total RIPE prefixes after maximum aggregation: 2870
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3668
Unique aggregates announced from the RIPE address blocks: 2919
RIPE Region origin ASes present in the Internet Routing Table: 690
RIPE Prefixes per ASN: 5.32
RIPE Region origin ASes announcing only one prefix: 310
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 3.9
Max RIPE Region AS path length visible: 20
Number of RIPE region 32-bit ASNs visible in the Routing Table: 136
Number of RIPE addresses announced to Internet: 59740486
Equivalent to 3 /8s, 143 /16s and 145 /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: 1449
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.55
Prefixes being announced from the LACNIC address blocks: 1447
Unique aggregates announced from the LACNIC address blocks: 767
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.77
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4831520
Equivalent to 0 /8s, 73 /16s and 185 /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: 916
Total AfriNIC prefixes after maximum aggregation: 199
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 919
Unique aggregates announced from the AfriNIC address blocks: 290
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 19.15
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2781184
Equivalent to 0 /8s, 42 /16s and 112 /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 620 2140 456 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
45102 270 467 88 ALIBABA-CN-NET Alibaba US Technology Co
1237 194 74 135 KREONET-AS-KR KISTI, KR
4538 189 4192 73 ERX-CERNET-BKB China Education and Rese
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
55824 116 18 11 NKN-CORE-NW NKN Core Network, IN
4621 77 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol 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 742 3282 69 GOOGLE, US
8075 229 10879 200 MICROSOFT-CORP-MSN-AS-BLOCK, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
6939 165 120 114 HURRICANE, US
2152 159 507 91 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 111 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
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
786 187 1775 184 JANET Jisc Services Limited, GB
8895 179 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 86 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 64 599 59 FR-RENATER Reseau National de telecommu
3267 63 64 27 RUNNET, RU
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 175 208 45 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 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
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
61468 45 3 15 CEDIA, EC
4270 43 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
28614 37 2 2 Fundacao Universidade Regional de Blume
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 358 319 72 TENET-1, ZA
36914 224 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 37 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 18 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, 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
15169 742 3282 69 GOOGLE, US
2907 620 2140 456 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
2018 358 319 72 TENET-1, ZA
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
45102 270 467 88 ALIBABA-CN-NET Alibaba US Technology Co
8075 229 10879 200 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 224 82 3 KENET-AS, KE
376 204 178 153 RISQ-AS, CA
5786 200 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 433 409 CSTNET-AS-AP Computer Network Information Cente
2018 358 286 TENET-1, ZA
36914 224 221 KENET-AS, KE
5786 200 199 UPRENET, PR
45102 270 182 ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
8895 179 175 ISU Internet Services Unit ISU, SA
58647 175 173 KAGAWAU-AS Kagawa University, JP
2907 620 164 SINET-AS Research Organization of Information a
1916 175 130 Rede Nacional de Ensino e Pesquisa, BR
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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, 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 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
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: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /11:6 /12:23
/13:37 /14:82 /15:152 /16:2125 /17:460 /18:500
/19:726 /20:901 /21:900 /22:1470 /23:1638 /24:10872
/25:87 /26:58 /27:87 /28:28 /29:18 /30:19
/31:0 /32:60
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
15169 273 742 GOOGLE, US
36914 211 224 KENET-AS, KE
8895 174 179 ISU Internet Services Unit ISU, SA
32440 73 88 LONI, US
6939 68 165 HURRICANE, US
23024 53 114 OCDE, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:17 8:8 12:1 13:1 14:86
18:46 23:16 24:3 31:7 34:2 35:5
37:8 38:9 40:1 41:121 42:15 44:5
45:37 46:5 47:36 49:10 50:4 52:2
58:10 59:21 60:4 61:3 62:12 63:39
64:84 65:8 66:58 67:45 68:8 69:19
70:10 71:1 72:18 74:83 76:34 77:7
78:4 79:10 80:20 81:28 82:6 83:6
84:9 85:46 86:10 87:1 88:1 89:10
91:45 93:10 94:4 95:4 96:5 97:1
98:2 101:8 102:13 103:320 104:78 107:16
108:43 109:10 110:6 111:18 114:23 116:6
117:61 118:33 119:24 121:28 122:8 123:8
124:39 125:4 128:86 129:38 130:92 131:69
132:58 133:145 134:99 136:200 137:75 138:10
139:5 140:41 141:1 142:152 143:31 144:25
145:2 146:130 147:56 148:192 149:12 150:132
151:6 152:78 153:13 154:28 155:53 156:66
157:28 158:44 159:116 160:26 161:28 162:22
163:58 164:16 165:57 166:2 167:17 168:116
169:10 170:69 172:91 173:86 175:31 176:8
177:11 178:1 179:10 180:21 181:1 182:4
184:6 185:55 186:3 187:19 188:13 189:5
190:34 191:36 192:1433 193:317 194:151 195:88
196:153 197:131 198:522 199:265 200:233 201:38
202:632 203:437 204:339 205:170 206:195 207:174
208:85 209:132 210:185 211:13 212:151 213:5
216:129 217:12 218:22 219:12 220:17 222:6
223:6
End of report
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