[REN-BGP-stats-all] IPv4 R&E Routing Table Report - URAN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jan 18 17:10:40 UTC 2023
IPv4 R&E Routing Table Report 17:10 GMT Wed 18 Jan, 2023
IPv4 BGP Table (R&E) as seen at URAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/URAN/
Analysis Summary
----------------
BGP routing table entries examined: 18795
Prefixes after maximum aggregation (per Origin AS): 10594
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11831
Number of IPv4 prefixes with a valid ROA: 4401
Number of IPv4 prefixes with an invalid ROA: 81
Number of IPv4 prefixes with no ROA: 14313
Total ASes present in the Internet Routing Table: 2714
Prefixes per ASN: 6.93
Origin-only ASes present in the Internet Routing Table: 2350
Origin ASes announcing only one prefix: 1038
Transit ASes present in the Internet Routing Table: 364
Transit-only ASes present in the Internet Routing Table: 57
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 20
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 41059
Number of 32-bit ASNs visible in the Routing Table: 630
Prefixes from 32-bit ASNs in the Routing Table: 1779
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: 206667552
Equivalent to 12 /8s, 81 /16s and 127 /24s
Percentage of available address space announced: 5.6
Percentage of allocated address space announced: 5.6
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: 2141
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4759
Total APNIC prefixes after maximum aggregation: 2297
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4760
Unique aggregates announced from the APNIC address blocks: 2624
APNIC Region origin ASes present in the Internet Routing Table: 577
APNIC Prefixes per ASN: 8.25
APNIC Region origin ASes announcing only one prefix: 243
APNIC Region transit ASes present in the Internet Routing Table: 63
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 222
Number of APNIC addresses announced to Internet: 45935680
Equivalent to 2 /8s, 188 /16s and 236 /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: 8243
Total ARIN prefixes after maximum aggregation: 4816
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 8258
Unique aggregates announced from the ARIN address blocks: 5384
ARIN Region origin ASes present in the Internet Routing Table: 1254
ARIN Prefixes per ASN: 6.59
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 5.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 186
Number of ARIN addresses announced to Internet: 96455936
Equivalent to 5 /8s, 191 /16s and 205 /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: 3375
Total RIPE prefixes after maximum aggregation: 2686
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3365
Unique aggregates announced from the RIPE address blocks: 2740
RIPE Region origin ASes present in the Internet Routing Table: 612
RIPE Prefixes per ASN: 5.50
RIPE Region origin ASes announcing only one prefix: 279
RIPE Region transit ASes present in the Internet Routing Table: 96
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 12
Number of RIPE region 32-bit ASNs visible in the Routing Table: 129
Number of RIPE addresses announced to Internet: 57502784
Equivalent to 3 /8s, 109 /16s and 108 /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: 1404
Total LACNIC prefixes after maximum aggregation: 585
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1401
Unique aggregates announced from the LACNIC address blocks: 789
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.87
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: 5.7
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4118688
Equivalent to 0 /8s, 62 /16s and 216 /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: 1010
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 1010
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.42
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: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2654208
Equivalent to 0 /8s, 40 /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 587 2149 461 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 118 AARNET-AS-AP Australian Academic and Re
55824 116 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
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 152 507 91 CSUNET-NW, 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
32440 92 18 16 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 175 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/URAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 177 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 96 24 55 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 47 3 15 CEDIA, EC
4270 44 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/URAN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 371 319 72 TENET-1, ZA
36914 243 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 46 28 3 RENU, UG
3208 32 2 1 ARN, DZ
37182 31 8 1 TERNET, TZ
327700 31 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/URAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 587 2149 461 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 371 319 72 TENET-1, ZA
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
36914 243 82 3 KENET-AS, KE
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 371 299 TENET-1, ZA
36914 243 240 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 175 171 ISU Internet Services Unit ISU, SA
1916 177 133 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
4538 191 118 ERX-CERNET-BKB China Education and Research Net
55824 116 104 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/URAN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
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/URAN/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/URAN/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
/13:19 /14:36 /15:122 /16:2026 /17:416 /18:447
/19:559 /20:852 /21:856 /22:1440 /23:1518 /24:10268
/25:85 /26:57 /27:80 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 230 243 KENET-AS, KE
8895 170 175 ISU Internet Services Unit ISU, SA
32440 77 92 LONI, US
23024 52 113 OCDE, US
18632 34 64 VOLCANO-VISION, US
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/URAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:86
18:44 23:7 24:3 31:7 35:6 38:9
40:1 41:139 42:15 44:5 45:32 46:5
47:1 49:10 50:4 52:1 58:12 59:21
60:4 61:3 62:6 63:37 64:52 65:5
66:47 67:44 68:8 69:21 70:2 71:1
72:7 74:49 76:38 77:8 78:3 79:10
80:12 81:27 82:3 83:6 84:9 85:25
86:3 87:1 89:10 91:45 93:4 94:4
95:4 96:5 97:2 98:2 101:4 102:16
103:306 104:72 107:16 108:8 109:10 110:2
111:16 114:23 116:6 117:61 118:33 119:22
121:28 122:8 123:8 124:39 125:4 128:86
129:40 130:88 131:64 132:62 133:149 134:100
136:199 137:76 138:9 139:6 140:57 141:1
142:39 143:30 144:25 145:2 146:128 147:59
148:195 149:12 150:130 151:7 152:77 153:14
154:29 155:52 156:68 157:29 158:40 159:116
160:26 161:19 162:21 163:77 164:10 165:51
166:1 167:16 168:124 169:10 170:74 172:2
173:7 175:32 176:8 177:10 179:10 180:17
181:1 182:1 184:3 185:41 186:3 187:19
188:12 189:3 190:18 191:36 192:1457 193:331
194:127 195:89 196:160 197:148 198:519 199:285
200:221 201:37 202:631 203:424 204:351 205:129
206:194 207:170 208:70 209:121 210:186 211:14
212:168 213:2 214:8 216:88 217:10 218:22
219:12 220:17 222:6 223:9
End of report
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