[REN-BGP-stats-all] IPv4 R&E Routing Table Report - URAN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Apr 30 17:10:41 UTC 2022
IPv4 R&E Routing Table Report 17:10 GMT Sat 30 Apr, 2022
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: 18388
Prefixes after maximum aggregation (per Origin AS): 10441
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11647
Number of IPv4 prefixes with a valid ROA: 3923
Number of IPv4 prefixes with an invalid ROA: 1
Number of IPv4 prefixes with no ROA: 14464
Total ASes present in the Internet Routing Table: 2692
Prefixes per ASN: 6.83
Origin-only ASes present in the Internet Routing Table: 2319
Origin ASes announcing only one prefix: 1055
Transit ASes present in the Internet Routing Table: 373
Transit-only ASes present in the Internet Routing Table: 55
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 18
Max AS path prepend of ASN ( 1149) 11
Prefixes from unregistered ASNs in the Routing Table: 8
Number of instances of unregistered ASNs: 8
Number of 32-bit ASNs allocated by the RIRs: 39260
Number of 32-bit ASNs visible in the Routing Table: 610
Prefixes from 32-bit ASNs in the Routing Table: 1678
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: 206604816
Equivalent to 12 /8s, 80 /16s and 138 /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: 2003
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4735
Total APNIC prefixes after maximum aggregation: 2297
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4736
Unique aggregates announced from the APNIC address blocks: 2604
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.14
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 67
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 46090048
Equivalent to 2 /8s, 191 /16s and 71 /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: 7971
Total ARIN prefixes after maximum aggregation: 4717
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 7992
Unique aggregates announced from the ARIN address blocks: 5296
ARIN Region origin ASes present in the Internet Routing Table: 1222
ARIN Prefixes per ASN: 6.54
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 172
Number of ARIN addresses announced to Internet: 96125296
Equivalent to 5 /8s, 186 /16s and 193 /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: 3315
Total RIPE prefixes after maximum aggregation: 2660
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3302
Unique aggregates announced from the RIPE address blocks: 2693
RIPE Region origin ASes present in the Internet Routing Table: 610
RIPE Prefixes per ASN: 5.41
RIPE Region origin ASes announcing only one prefix: 283
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 119
Number of RIPE addresses announced to Internet: 57432512
Equivalent to 3 /8s, 108 /16s and 89 /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: 1432
Total LACNIC prefixes after maximum aggregation: 566
LACNIC Deaggregation factor: 2.53
Prefixes being announced from the LACNIC address blocks: 1430
Unique aggregates announced from the LACNIC address blocks: 763
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.67
LACNIC Region origin ASes announcing only one prefix: 67
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4216992
Equivalent to 0 /8s, 64 /16s and 88 /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: 927
Total AfriNIC prefixes after maximum aggregation: 193
AfriNIC Deaggregation factor: 4.80
Prefixes being announced from the AfriNIC address blocks: 926
Unique aggregates announced from the AfriNIC address blocks: 289
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 17.81
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2739456
Equivalent to 0 /8s, 41 /16s and 205 /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 584 2108 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 190 74 135 KREONET-AS-KR KISTI, KR
58647 179 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
55824 114 18 10 NKN-CORE-NW NKN Core Network, IN
4621 79 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/URAN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 210 702 178 DNIC-AS-00668, US
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 154 507 89 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
23024 114 7 17 OCDE, US
2920 110 34 6 LACOE, US
32440 87 18 18 LONI, US
21976 85 51 18 NJEDGE-NET, 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
680 281 1968 246 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 180 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 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 66 647 61 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/URAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 176 208 46 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 60 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 37 2 2 Fundacao Universidade Regional de Blume
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 376 319 74 TENET-1, ZA
36914 207 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 38 28 3 RENU, UG
327700 36 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 19 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/URAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 584 2108 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 74 TENET-1, ZA
680 281 1968 246 DFN Verein zur Foerderung eines Deutsch
668 210 702 178 DNIC-AS-00668, US
36914 207 82 3 KENET-AS, KE
376 202 178 151 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 190 74 135 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 432 408 CSTNET-AS-AP Computer Network Information Cente
2018 376 302 TENET-1, ZA
36914 207 204 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 179 177 KAGAWAU-AS Kagawa University, JP
8895 180 176 ISU Internet Services Unit ISU, SA
18558 135 131 NETBLK-RCOEK, US
1916 176 130 Rede Nacional de Ensino e Pesquisa, BR
4538 191 118 ERX-CERNET-BKB China Education and Research Net
55824 114 104 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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
14212 UNALLOCATED 198.189.240.0/24 2152 CSUNET-NW, US
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
14212 UNALLOCATED 205.155.0.0/19 2152 CSUNET-NW, US
14212 UNALLOCATED 205.155.240.0/20 2152 CSUNET-NW, 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
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/URAN/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: 20965 GEANT The GEANT IP Service, 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 /14:37 /15:122 /16:2030 /17:402 /18:436
/19:552 /20:844 /21:856 /22:1387 /23:1509 /24:9951
/25:82 /26:60 /27:86 /28:1 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 194 207 KENET-AS, KE
8895 175 180 ISU Internet Services Unit ISU, SA
32440 72 87 LONI, US
23024 53 114 OCDE, US
327700 32 36 MoRENet, MZ
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/URAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 6:4 8:2 12:1 14:85
18:43 23:7 24:3 31:6 35:4 37:6
38:9 40:1 41:125 42:15 44:5 45:31
46:6 47:1 49:10 50:1 52:1 58:10
59:21 60:4 61:3 62:6 63:34 64:51
66:35 67:43 68:8 69:19 70:2 71:1
72:9 74:18 76:33 77:7 78:3 79:10
80:8 81:28 82:3 83:6 84:9 85:20
86:4 87:1 88:1 89:10 91:44 93:23
94:4 95:4 96:5 97:1 98:2 101:8
102:13 103:312 104:75 108:8 109:10 110:4
111:16 114:23 116:7 117:61 118:33 119:23
121:28 122:8 123:8 124:39 125:4 128:91
129:38 130:93 131:84 132:58 133:140 134:98
136:200 137:74 138:8 139:5 140:48 141:1
142:41 143:31 144:25 145:2 146:129 147:58
148:191 149:12 150:40 151:6 152:77 153:13
154:26 155:51 156:67 157:25 158:42 159:116
160:25 161:21 162:20 163:65 164:18 165:57
166:2 167:16 168:124 169:10 170:52 172:2
173:5 175:31 176:8 177:14 179:9 180:21
181:1 182:6 184:9 185:35 186:3 187:19
188:12 189:5 190:33 191:33 192:1436 193:296
194:116 195:79 196:164 197:115 198:480 199:285
200:244 201:37 202:632 203:424 204:331 205:164
206:187 207:169 208:66 209:116 210:183 211:15
212:148 213:2 214:7 216:85 217:10 218:22
219:12 220:16 222:6 223:4
End of report
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