[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Mon Mar 21 18:30:33 UTC 2022
IPv4 R&E Routing Table Report 18:30 GMT Mon 21 Mar, 2022
BGP Table (R&E) as seen at UbuntuNet Alliance.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UbuntuNet/
Analysis Summary
----------------
BGP routing table entries examined: 17490
Prefixes after maximum aggregation (per Origin AS): 10098
Deaggregation factor: 1.73
Unique aggregates announced (without unneeded subnets): 11240
Number of IPv4 prefixes with a valid ROA: 3626
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 13864
Total ASes present in the Internet Routing Table: 2667
Prefixes per ASN: 6.56
Origin-only ASes present in the Internet Routing Table: 2307
Origin ASes announcing only one prefix: 1068
Transit ASes present in the Internet Routing Table: 360
Transit-only ASes present in the Internet Routing Table: 49
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 15
Max AS path prepend of ASN (211089) 11
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: 38840
Number of 32-bit ASNs visible in the Routing Table: 597
Prefixes from 32-bit ASNs in the Routing Table: 1608
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: 202443008
Equivalent to 12 /8s, 17 /16s and 9 /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: 99.5
Total number of prefixes smaller than registry allocations: 1664
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4677
Total APNIC prefixes after maximum aggregation: 2290
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4678
Unique aggregates announced from the APNIC address blocks: 2604
APNIC Region origin ASes present in the Internet Routing Table: 572
APNIC Prefixes per ASN: 8.18
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 60
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 216
Number of APNIC addresses announced to Internet: 46072576
Equivalent to 2 /8s, 191 /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: 7446
Total ARIN prefixes after maximum aggregation: 4358
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7461
Unique aggregates announced from the ARIN address blocks: 4874
ARIN Region origin ASes present in the Internet Routing Table: 1182
ARIN Prefixes per ASN: 6.31
ARIN Region origin ASes announcing only one prefix: 434
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 165
Number of ARIN addresses announced to Internet: 91874304
Equivalent to 5 /8s, 121 /16s and 228 /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: 3379
Total RIPE prefixes after maximum aggregation: 2743
RIPE Deaggregation factor: 1.23
Prefixes being announced from the RIPE address blocks: 3366
Unique aggregates announced from the RIPE address blocks: 2726
RIPE Region origin ASes present in the Internet Routing Table: 652
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 97
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 128
Number of RIPE addresses announced to Internet: 57957376
Equivalent to 3 /8s, 116 /16s and 92 /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: 1230
Total LACNIC prefixes after maximum aggregation: 513
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1230
Unique aggregates announced from the LACNIC address blocks: 740
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 7.94
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 22
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: 60
Number of LACNIC addresses announced to Internet: 3783680
Equivalent to 0 /8s, 57 /16s and 188 /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: 753
Total AfriNIC prefixes after maximum aggregation: 189
AfriNIC Deaggregation factor: 3.98
Prefixes being announced from the AfriNIC address blocks: 753
Unique aggregates announced from the AfriNIC address blocks: 294
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 14.48
AfriNIC Region origin ASes announcing only one prefix: 23
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 2.5
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2754560
Equivalent to 0 /8s, 42 /16s and 8 /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 582 2124 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
4538 190 4192 72 ERX-CERNET-BKB China Education and Rese
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
58647 167 18 2 KAGAWAU-AS Kagawa University, JP
55824 128 18 22 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/UbuntuNet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 252 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
2152 145 507 86 CSUNET-NW, US
18558 135 18 4 NETBLK-RCOEK, US
270 120 329 88 AS270, US
2920 108 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
3 77 496 15 MIT-GATEWAYS, US
3477 77 71 46 NOAA-NWAVE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 274 1966 241 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 140 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
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2614 67 30 57 ROEDUNET, RO
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/UbuntuNet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 157 207 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 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
3596 33 2 2 Universidad Autonoma Metropolitana, MX
20191 31 16 1 Pontificia Universidad Catolica de Chil
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 373 319 74 TENET-1, ZA
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 36 16 1 MoRENet, MZ
36914 29 82 3 KENET-AS, KE
6879 24 2 9 ENSTINET-, EG
37182 16 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/UbuntuNet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 582 2124 457 SINET-AS Research Organization of Infor
7497 432 182 24 CSTNET-AS-AP Computer Network Informati
2018 373 319 74 TENET-1, ZA
680 274 1966 241 DFN Verein zur Foerderung eines Deutsch
7896 252 51 7 NU-AS, US
376 203 178 152 RISQ-AS, CA
4538 190 4192 72 ERX-CERNET-BKB China Education and Rese
786 186 1774 183 JANET Jisc Services Limited, GB
1237 186 74 135 KREONET-AS-KR KISTI, KR
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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 373 299 TENET-1, ZA
7896 252 245 NU-AS, US
58647 167 165 KAGAWAU-AS Kagawa University, JP
8895 140 136 ISU Internet Services Unit ISU, SA
18558 135 131 NETBLK-RCOEK, US
4538 190 118 ERX-CERNET-BKB China Education and Research Net
1916 157 113 Rede Nacional de Ensino e Pesquisa, BR
55824 128 106 NKN-CORE-NW NKN Core Network, IN
2920 108 102 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
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/UbuntuNet/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/UbuntuNet/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/UbuntuNet/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 /14:35 /15:121 /16:1978 /17:385 /18:429
/19:547 /20:829 /21:836 /22:1363 /23:1481 /24:9454
/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
8895 135 140 ISU Internet Services Unit ISU, SA
23024 52 55 OCDE, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
327700 32 36 MoRENet, MZ
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
30220 25 26 SWTELCOOP, US
Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 8:2 12:1 14:85 18:42
23:9 24:2 31:6 37:6 38:9 40:1
41:60 42:14 44:5 45:35 46:6 47:1
49:10 50:1 52:1 58:10 59:21 60:4
61:3 62:7 63:34 64:48 66:35 67:42
68:8 69:18 70:2 71:1 72:9 74:20
76:33 77:5 78:3 79:10 80:15 81:28
82:5 83:6 84:5 85:38 86:4 87:1
88:1 89:10 91:43 92:1 93:23 94:4
95:4 96:5 97:1 98:2 101:8 102:12
103:296 104:14 106:1 108:8 109:10 110:3
111:19 114:23 116:5 117:61 118:34 119:22
121:28 122:8 123:8 124:39 125:4 128:81
129:176 130:92 131:88 132:58 133:141 134:94
136:3 137:87 138:8 139:4 140:36 141:1
142:41 143:24 144:50 145:1 146:128 147:56
148:191 149:12 150:42 151:6 152:71 153:13
154:26 155:51 156:67 157:26 158:42 159:116
160:25 161:21 162:20 163:57 164:35 165:55
166:2 167:16 168:124 169:10 170:51 171:1
172:2 173:2 175:29 176:8 177:7 179:11
180:21 182:5 184:4 185:36 186:3 187:17
188:13 189:5 190:33 191:26 192:1394 193:264
194:139 195:83 196:164 197:5 198:461 199:253
200:211 201:38 202:630 203:423 204:313 205:160
206:186 207:161 208:66 209:112 210:180 211:13
212:144 213:5 216:83 217:11 218:22 219:12
220:14 222:6 223:4
End of report
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