[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Nov 28 22:10:43 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Thu 28 Nov, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 26362
Prefixes after maximum aggregation (per Origin AS): 12988
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14796
Number of IPv4 prefixes with a valid ROA: 14818
Number of IPv4 prefixes with an invalid ROA: 156
Number of IPv4 prefixes with no ROA: 11388
Total ASes present in the Internet Routing Table: 2763
Prefixes per ASN: 9.54
Origin-only ASes present in the Internet Routing Table: 2384
Origin ASes announcing only one prefix: 1056
Transit ASes present in the Internet Routing Table: 379
Transit-only ASes present in the Internet Routing Table: 69
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 29
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45925
Number of 32-bit ASNs visible in the Routing Table: 673
Prefixes from 32-bit ASNs in the Routing Table: 4847
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: 8
Number of addresses announced to Internet: 240935988
Equivalent to 14 /8s, 92 /16s and 100 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 3661
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4658
Total APNIC prefixes after maximum aggregation: 2263
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4717
Unique aggregates announced from the APNIC address blocks: 2681
APNIC Region origin ASes present in the Internet Routing Table: 559
APNIC Prefixes per ASN: 8.44
APNIC Region origin ASes announcing only one prefix: 236
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 5.7
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 210
Number of APNIC addresses announced to Internet: 45567296
Equivalent to 2 /8s, 183 /16s and 77 /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: 15439
Total ARIN prefixes after maximum aggregation: 7047
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 15164
Unique aggregates announced from the ARIN address blocks: 7909
ARIN Region origin ASes present in the Internet Routing Table: 1269
ARIN Prefixes per ASN: 11.95
ARIN Region origin ASes announcing only one prefix: 446
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 217
Number of ARIN addresses announced to Internet: 130035969
Equivalent to 7 /8s, 192 /16s and 49 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 3584
Total RIPE prefixes after maximum aggregation: 2873
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3785
Unique aggregates announced from the RIPE address blocks: 3173
RIPE Region origin ASes present in the Internet Routing Table: 663
RIPE Prefixes per ASN: 5.71
RIPE Region origin ASes announcing only one prefix: 296
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 155
Number of RIPE addresses announced to Internet: 58646160
Equivalent to 3 /8s, 126 /16s and 222 /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,
53/8, 57/8, 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: 1602
Total LACNIC prefixes after maximum aggregation: 631
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1608
Unique aggregates announced from the LACNIC address blocks: 804
LACNIC Region origin ASes present in the Internet Routing Table: 150
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 46
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61
Number of LACNIC addresses announced to Internet: 4202851
Equivalent to 0 /8s, 64 /16s and 33 /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: 1078
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.23
Prefixes being announced from the AfriNIC address blocks: 1080
Unique aggregates announced from the AfriNIC address blocks: 221
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 20.77
AfriNIC Region origin ASes announcing only one prefix: 32
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2479616
Equivalent to 0 /8s, 37 /16s and 214 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 603 2202 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 193 74 145 KREONET-AS-KR KISTI, KR
58647 181 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 313 114 AARNET-AS-AP Australian Academic and Rese
4538 139 4192 71 ERX-CERNET-BKB China Education and Resear
55824 132 18 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 65 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
16509 2387 1767 1078 AMAZON-02, US
14618 1012 4443 763 AMAZON-AES, US
15169 913 2007 68 GOOGLE, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 152 507 97 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 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/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 294 178 44 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 119 25 57 Red Universitaria Nacional, CL
27947 111 0 86 Telconet S.A, EC
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 471 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 14 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
16509 2387 1767 1078 AMAZON-02, US
14618 1012 4443 763 AMAZON-AES, US
15169 913 2007 68 GOOGLE, US
2907 603 2202 464 SINET-AS Research Organization of Informa
36914 471 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
1916 294 178 44 Rede Nacional de Ensino e Pesquisa, BR
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2387 1309 AMAZON-02, US
15169 913 845 GOOGLE, US
36914 471 468 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
1916 294 250 Rede Nacional de Ensino e Pesquisa, BR
14618 1012 249 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 181 179 KAGAWAU-AS Kagawa University, JP
2920 175 168 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av
103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23 Transit: 15169 GOOGLE, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
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
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /11:4 /12:20
/13:37 /14:81 /15:158 /16:2094 /17:534 /18:523
/19:753 /20:2797 /21:1099 /22:1645 /23:1765 /24:14519
/25:54 /26:75 /27:38 /28:20 /29:70 /30:32
/31:37 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 458 471 KENET-AS, KE
16509 397 2387 AMAZON-02, US
14618 325 1012 AMAZON-AES, US
15169 267 913 GOOGLE, US
396982 258 2882 GOOGLE-CLOUD-PLATFORM, US
8895 127 132 ISU Internet Services Unit ISU, SA
27947 89 111 Telconet S.A, EC
1916 76 294 Rede Nacional de Ensino e Pesquisa, BR
23024 37 95 OCDE, US
32440 37 63 LONI, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:103 5:22 8:28 12:2 13:48
14:93 15:76 16:119 18:85 23:110 24:3
31:5 34:22 35:56 36:1 37:8 38:11
40:4 41:160 42:11 43:2 44:5 45:69
46:10 47:1 49:10 50:6 52:551 54:163
57:5 59:19 60:5 61:3 62:8 63:36
64:154 65:25 66:86 67:68 68:18 69:42
70:41 71:3 72:14 74:153 75:1 76:47
77:11 78:3 79:10 80:13 81:25 82:7
83:7 84:7 85:51 86:5 87:4 88:1
89:21 91:55 92:7 93:45 94:3 95:2
96:7 97:1 98:11 99:48 101:2 102:14
103:317 104:231 107:38 108:111 109:8 111:21
113:1 114:32 115:1 116:11 117:62 118:33
119:24 121:28 122:8 123:8 124:42 125:5
128:56 129:40 130:148 131:67 132:65 133:154
134:108 135:3 136:305 137:66 138:61 139:17
140:44 141:9 142:335 143:26 144:44 145:3
146:147 147:75 148:203 149:18 150:41 151:38
152:150 153:14 154:40 155:85 156:142 157:36
158:38 159:151 160:32 161:32 162:90 163:67
164:21 165:66 166:3 167:21 168:172 169:14
170:154 171:1 172:113 173:111 174:2 175:16
176:3 177:6 178:1 179:10 180:16 182:11
184:7 185:108 186:3 187:17 188:18 189:2
190:3 191:13 192:1513 193:289 194:121 195:75
196:147 197:340 198:487 199:329 200:321 201:34
202:637 203:441 204:397 205:158 206:232 207:252
208:147 209:196 210:219 211:3 212:169 213:17
216:205 217:12 218:21 219:6 220:17 222:2
223:15
End of report
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