[REN-BGP-stats-all] IPv4 R&E Routing Table Report - REANNZ (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Sep 12 21:15:43 UTC 2024
IPv4 R&E Routing Table Report 21:15 GMT Thu 12 Sep, 2024
IPv4 BGP Table (R&E) as seen at REANNZ.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/REANNZ/
Analysis Summary
----------------
BGP routing table entries examined: 19497
Prefixes after maximum aggregation (per Origin AS): 10775
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 11909
Number of IPv4 prefixes with a valid ROA: 6726
Number of IPv4 prefixes with an invalid ROA: 5
Number of IPv4 prefixes with no ROA: 12766
Total ASes present in the Internet Routing Table: 2780
Prefixes per ASN: 7.01
Origin-only ASes present in the Internet Routing Table: 2415
Origin ASes announcing only one prefix: 1069
Transit ASes present in the Internet Routing Table: 365
Transit-only ASes present in the Internet Routing Table: 61
Paths with bogon ASNs present in the IPv4 Routing Table: 1
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 2
Number of instances of unregistered ASNs: 2
Number of 32-bit ASNs allocated by the RIRs: 45346
Number of 32-bit ASNs visible in the Routing Table: 671
Prefixes from 32-bit ASNs in the Routing Table: 1903
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: 6
Number of addresses announced to Internet: 205359616
Equivalent to 12 /8s, 61 /16s and 138 /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: 2290
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4669
Total APNIC prefixes after maximum aggregation: 2287
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4665
Unique aggregates announced from the APNIC address blocks: 2624
APNIC Region origin ASes present in the Internet Routing Table: 581
APNIC Prefixes per ASN: 8.03
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 45837312
Equivalent to 2 /8s, 187 /16s and 108 /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, 131072-153913
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: 8815
Total ARIN prefixes after maximum aggregation: 4974
ARIN Deaggregation factor: 1.77
Prefixes being announced from the ARIN address blocks: 8828
Unique aggregates announced from the ARIN address blocks: 5474
ARIN Region origin ASes present in the Internet Routing Table: 1285
ARIN Prefixes per ASN: 6.87
ARIN Region origin ASes announcing only one prefix: 453
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 210
Number of ARIN addresses announced to Internet: 93305856
Equivalent to 5 /8s, 143 /16s and 188 /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, 393216-402332
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: 3516
Total RIPE prefixes after maximum aggregation: 2824
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3505
Unique aggregates announced from the RIPE address blocks: 2897
RIPE Region origin ASes present in the Internet Routing Table: 663
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 296
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 154
Number of RIPE addresses announced to Internet: 59620864
Equivalent to 3 /8s, 141 /16s and 190 /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
196608-216475
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: 1394
Total LACNIC prefixes after maximum aggregation: 537
LACNIC Deaggregation factor: 2.60
Prefixes being announced from the LACNIC address blocks: 1393
Unique aggregates announced from the LACNIC address blocks: 714
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.82
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.2
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: 4144896
Equivalent to 0 /8s, 63 /16s and 63 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1101
Total AfriNIC prefixes after maximum aggregation: 151
AfriNIC Deaggregation factor: 7.29
Prefixes being announced from the AfriNIC address blocks: 1100
Unique aggregates announced from the AfriNIC address blocks: 195
AfriNIC Region origin ASes present in the Internet Routing Table: 30
AfriNIC Prefixes per ASN: 36.67
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 11
Number of AfriNIC addresses announced to Internet: 2439936
Equivalent to 0 /8s, 37 /16s and 59 /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 588 2169 464 SINET-AS Research Organization of Informa
7497 450 212 25 CSTNET-AS-AP Computer Network Information
1237 190 74 145 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 133 19 20 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 510 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 141 18 5 NETBLK-RCOEK, US
81 133 517 33 NCREN, US
270 117 328 81 AS270, US
23024 95 7 21 OCDE, US
21976 87 50 17 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1899 249 DFN Verein zur Foerderung eines Deutschen
786 185 1767 182 JANET Jisc Services Limited, GB
8895 135 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 89 26 70 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 NIKS, RU
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 164 180 41 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 50 5 17 CEDIA, EC
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
2715 44 83 33 Fundacao Carlos Chagas Filho de Amparo a
28614 38 2 2 Fundacao Universidade Regional de Blumena
3596 37 8 4 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 521 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
327700 50 16 1 MoRENet, MZ
8094 47 48 18 PUKNET, ZA
6879 24 2 9 ENSTINET-, EG
37661 12 8 4 NRaE1-AS, NG
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 1 6 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 588 2169 464 SINET-AS Research Organization of Informa
36914 521 82 3 KENET-AS, KE
2152 510 507 99 CENIC-2152, US
7497 450 212 25 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 281 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 229 44 49 LACOE, US
668 205 648 174 DNIC-AS-00668, US
376 200 162 149 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 521 518 KENET-AS, KE
7497 450 425 CSTNET-AS-AP Computer Network Information Cente
2152 510 411 CENIC-2152, US
2018 381 310 TENET-1, ZA
5786 197 196 UPRENET, PR
2920 229 180 LACOE, US
58647 180 178 KAGAWAU-AS Kagawa University, JP
18558 141 136 NETBLK-RCOEK, US
8895 135 130 ISU Internet Services Unit ISU, SA
1916 164 123 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65500 PRIVATE 103.212.123.0/24 135288 AUCKLANDMUSEUM-AS-AP Au
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
Complete listing at https://bgp.nsrc.org/REN/REANNZ/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 /10:1 /11:2 /12:10
/13:18 /14:35 /15:119 /16:2025 /17:425 /18:457
/19:581 /20:875 /21:884 /22:1493 /23:1616 /24:10955
/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 500 521 KENET-AS, KE
8895 130 135 ISU Internet Services Unit ISU, SA
2152 61 510 CENIC-2152, US
327700 44 50 MoRENet, MZ
23024 37 95 OCDE, US
32440 37 63 LONI, US
3267 35 76 NIKS, RU
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/REANNZ/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 4:2 5:15 6:4 8:2 12:1
14:92 23:7 24:3 31:1 35:3 37:8
38:10 40:1 41:229 42:10 44:5 45:45
46:4 47:1 49:11 50:5 52:1 58:1
59:19 60:6 61:3 62:7 63:37 64:45
65:1 66:52 67:43 68:10 69:18 70:2
71:1 72:7 74:54 76:43 77:11 78:3
79:10 80:13 81:25 82:6 83:7 84:7
85:45 86:5 87:1 89:11 91:44 92:2
93:13 94:2 95:2 96:5 97:1 98:2
101:1 102:5 103:321 104:80 107:2 108:8
109:4 111:16 113:2 114:24 116:9 117:61
118:34 119:24 121:27 122:8 123:8 124:42
125:5 128:84 129:34 130:96 131:63 132:67
133:154 134:108 136:197 137:94 138:57 139:6
140:36 141:3 142:25 143:24 144:29 145:2
146:135 147:65 148:194 149:13 150:40 151:9
152:135 153:15 154:37 155:63 156:133 157:25
158:35 159:121 160:30 161:16 162:24 163:61
164:14 165:47 166:1 167:26 168:119 169:7
170:96 171:1 172:2 173:7 175:17 177:5
179:13 180:16 181:1 182:9 184:7 185:49
186:3 187:21 188:13 189:3 190:18 191:13
192:1484 193:255 194:123 195:66 196:148 197:312
198:561 199:278 200:291 201:38 202:642 203:436
204:406 205:173 206:213 207:306 208:67 209:157
210:216 211:3 212:162 213:6 214:8 216:90
217:9 218:21 219:5 220:17 222:2 223:15
End of report
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