[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sun Jul 10 19:10:40 UTC 2022
IPv4 R&E Routing Table Report 19:10 GMT Sun 10 Jul, 2022
IPv4 BGP Table (R&E) as seen at PERN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PERN/
Analysis Summary
----------------
BGP routing table entries examined: 18519
Prefixes after maximum aggregation (per Origin AS): 10653
Deaggregation factor: 1.74
Unique aggregates announced (without unneeded subnets): 11810
Number of IPv4 prefixes with a valid ROA: 4127
Number of IPv4 prefixes with an invalid ROA: 21
Number of IPv4 prefixes with no ROA: 14371
Total ASes present in the Internet Routing Table: 2794
Prefixes per ASN: 6.63
Origin-only ASes present in the Internet Routing Table: 2409
Origin ASes announcing only one prefix: 1104
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 63
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.8
Max AS path length visible: 20
Max AS path prepend of ASN ( 10497) 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: 39775
Number of 32-bit ASNs visible in the Routing Table: 636
Prefixes from 32-bit ASNs in the Routing Table: 1709
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 1
Number of addresses announced to Internet: 205433344
Equivalent to 12 /8s, 62 /16s and 170 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2026
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4652
Total APNIC prefixes after maximum aggregation: 2305
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4654
Unique aggregates announced from the APNIC address blocks: 2621
APNIC Region origin ASes present in the Internet Routing Table: 590
APNIC Prefixes per ASN: 7.89
APNIC Region origin ASes announcing only one prefix: 260
APNIC Region transit ASes present in the Internet Routing Table: 70
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 232
Number of APNIC addresses announced to Internet: 46045440
Equivalent to 2 /8s, 190 /16s and 153 /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: 8008
Total ARIN prefixes after maximum aggregation: 4718
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 8025
Unique aggregates announced from the ARIN address blocks: 5319
ARIN Region origin ASes present in the Internet Routing Table: 1243
ARIN Prefixes per ASN: 6.46
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 6.3
Max ARIN Region AS path length visible: 17
Number of ARIN region 32-bit ASNs visible in the Routing Table: 178
Number of ARIN addresses announced to Internet: 94512896
Equivalent to 5 /8s, 162 /16s and 39 /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: 3508
Total RIPE prefixes after maximum aggregation: 2852
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3496
Unique aggregates announced from the RIPE address blocks: 2817
RIPE Region origin ASes present in the Internet Routing Table: 680
RIPE Prefixes per ASN: 5.14
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 57982208
Equivalent to 3 /8s, 116 /16s and 189 /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: 1411
Total LACNIC prefixes after maximum aggregation: 570
LACNIC Deaggregation factor: 2.48
Prefixes being announced from the LACNIC address blocks: 1409
Unique aggregates announced from the LACNIC address blocks: 762
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 8.64
LACNIC Region origin ASes announcing only one prefix: 63
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4233216
Equivalent to 0 /8s, 64 /16s and 152 /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: 934
Total AfriNIC prefixes after maximum aggregation: 202
AfriNIC Deaggregation factor: 4.62
Prefixes being announced from the AfriNIC address blocks: 934
Unique aggregates announced from the AfriNIC address blocks: 290
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 18.68
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2659328
Equivalent to 0 /8s, 40 /16s and 148 /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 572 2140 454 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
1237 187 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 122 AARNET-AS-AP Australian Academic and Re
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 115 18 10 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
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
668 196 685 168 DNIC-AS-00668, US
2152 153 507 89 CSUNET-NW, US
18558 133 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
2920 108 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
3 82 496 16 MIT-GATEWAYS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/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 138 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 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
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 158 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 54 Red Universitaria Nacional, CL
2715 59 102 39 Fundacao Carlos Chagas Filho de Amparo
1251 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 43 16 1 Red de Interconexion Universitaria, AR
28571 41 40 18 UNIVERSIDADE DE SAO PAULO, BR
61468 41 3 15 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28614 37 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 376 319 73 TENET-1, ZA
36914 218 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 34 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/PERN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 572 2140 454 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 73 TENET-1, ZA
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
36914 218 82 3 KENET-AS, KE
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
668 196 685 168 DNIC-AS-00668, US
786 187 1775 184 JANET Jisc Services Limited, GB
1237 187 74 135 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/PERN/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 376 303 TENET-1, ZA
36914 218 215 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 138 134 ISU Internet Services Unit ISU, SA
18558 133 129 NETBLK-RCOEK, US
1916 158 114 Rede Nacional de Ensino e Pesquisa, BR
55824 115 105 NKN-CORE-NW NKN Core Network, IN
2920 108 101 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/PERN/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/PERN/data-badAS
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
Complete listing at https://bgp.nsrc.org/REN/PERN/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 /10:2 /11:1 /12:10
/13:18 /14:34 /15:122 /16:2010 /17:402 /18:439
/19:564 /20:875 /21:887 /22:1422 /23:1563 /24:10169
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 205 218 KENET-AS, KE
8895 133 138 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
32440 31 46 LONI, US
46115 31 34 LUTHER, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
18632 29 55 VOLCANO-VISION, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 6:4 8:2 12:1 14:86
18:46 23:10 24:3 31:7 35:4 37:6
38:9 40:1 41:125 42:10 44:5 45:39
46:5 47:1 49:10 50:4 52:1 58:1
59:20 60:4 61:3 62:8 63:38 64:57
65:5 66:50 67:44 68:8 69:19 70:2
71:1 72:7 74:50 76:35 77:7 78:3
79:10 80:18 81:28 82:7 83:6 84:5
85:43 86:6 87:1 88:1 89:10 91:45
92:1 93:10 94:4 95:4 96:5 97:1
98:2 101:6 102:13 103:316 104:75 107:17
108:10 109:10 110:4 111:16 114:23 116:6
117:61 118:32 119:24 121:27 122:8 123:8
124:39 125:4 128:86 129:38 130:92 131:66
132:58 133:145 134:100 136:200 137:75 138:10
139:5 140:51 141:1 142:41 143:31 144:23
145:2 146:129 147:59 148:192 149:12 150:130
151:6 152:73 153:13 154:28 155:51 156:66
157:28 158:44 159:116 160:26 161:22 162:23
163:62 164:15 165:57 166:1 167:16 168:121
169:10 170:68 172:2 173:7 175:31 176:8
177:11 179:10 180:19 181:1 182:4 184:3
185:42 186:3 187:19 188:13 189:5 190:33
191:36 192:1357 193:314 194:144 195:86 196:162
197:126 198:498 199:271 200:228 201:38 202:629
203:433 204:336 205:169 206:198 207:176 208:70
209:124 210:184 211:13 212:150 213:5 214:5
216:85 217:11 218:22 219:6 220:17 222:5
223:3
End of report
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