[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue Jul 11 19:05:39 UTC 2023


IPv4 R&E Routing Table Report   19:05 GMT Tue 11 Jul, 2023

  IPv4 BGP Table (R&E) as seen at BDREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/BDREN/

Analysis Summary
----------------

BGP routing table entries examined:                               19000
    Prefixes after maximum aggregation (per Origin AS):           10499
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11570
    Number of IPv4 prefixes with a valid ROA:                      5255
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                          13725
Total ASes present in the Internet Routing Table:                  2745
    Prefixes per ASN:                                              6.92
Origin-only ASes present in the Internet Routing Table:            2361
Origin ASes announcing only one prefix:                            1042
Transit ASes present in the Internet Routing Table:                 384
Transit-only ASes present in the Internet Routing Table:             78
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       5.2
    Max AS path length visible:                                      12
    Max AS path prepend of ASN (136911)                              11
Prefixes from unregistered ASNs in the Routing Table:                 9
    Number of instances of unregistered ASNs:                         9
Number of 32-bit ASNs allocated by the RIRs:                      42276
Number of 32-bit ASNs visible in the Routing Table:                 615
Prefixes from 32-bit ASNs in the Routing Table:                    1856
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:              4
Number of addresses announced to Internet:                    203857728
    Equivalent to 12 /8s, 38 /16s and 159 /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:        2243

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4805
    Total APNIC prefixes after maximum aggregation:                2265
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            4809
    Unique aggregates announced from the APNIC address blocks:     2580
APNIC Region origin ASes present in the Internet Routing Table:     541
    APNIC Prefixes per ASN:                                        8.89
APNIC Region origin ASes announcing only one prefix:                225
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    205
Number of APNIC addresses announced to Internet:               45826624
    Equivalent to 2 /8s, 187 /16s and 66 /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:                      8072
    Total ARIN prefixes after maximum aggregation:                 4664
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             8088
    Unique aggregates announced from the ARIN address blocks:      5151
ARIN Region origin ASes present in the Internet Routing Table:     1246
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     167
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          11
Number of ARIN region 32-bit ASNs visible in the Routing Table:     190
Number of ARIN addresses announced to Internet:                93364704
    Equivalent to 5 /8s, 144 /16s and 161 /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:                      3609
    Total RIPE prefixes after maximum aggregation:                 2853
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3597
    Unique aggregates announced from the RIPE address blocks:      2876
RIPE Region origin ASes present in the Internet Routing Table:      678
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     106
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:     141
Number of RIPE addresses announced to Internet:                57890048
    Equivalent to 3 /8s, 115 /16s and 85 /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:                    1451
    Total LACNIC prefixes after maximum aggregation:                557
    LACNIC Deaggregation factor:                                   2.61
Prefixes being announced from the LACNIC address blocks:           1449
    Unique aggregates announced from the LACNIC address blocks:     756
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       9.06
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4177696
    Equivalent to 0 /8s, 63 /16s and 191 /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:                   1054
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  6.98
Prefixes being announced from the AfriNIC address blocks:          1053
    Unique aggregates announced from the AfriNIC address blocks:    203
AfriNIC Region origin ASes present in the Internet Routing Table:    38
    AfriNIC Prefixes per ASN:                                     27.71
AfriNIC Region origin ASes announcing only one prefix:               16
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   15
Number of AfriNIC addresses announced to Internet:              2593536
    Equivalent to 0 /8s, 39 /16s and 147 /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         601       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  1237         193         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         177        329     120  AARNET-AS-AP Australian Academic and Re
  4758         167         16       2  NICNET-VSNL-BOARDER-AP National Informa
 55824         143         19      32  NKN-CORE-NW NKN Core Network, IN
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         274        507      94  CSUNET-NW, US
   668         216        620     179  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440         108         35      18  LONI, US
 21976          85         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         163         24       5  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  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/BDREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         258        192      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          56         36      15  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          47         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 28571          39         39      17  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         365        319      66  TENET-1, ZA
 36914         260         82       3  KENET-AS, KE
327687         166         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          40         16       1  MoRENet, MZ
 37215          37          8       1  MAREN, MW
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         601       2147     466  SINET-AS Research Organization of Infor
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
  2018         365        319      66  TENET-1, ZA
   680         284       1919     250  DFN Verein zur Foerderung eines Deutsch
  2152         274        507      94  CSUNET-NW, US
 36914         260         82       3  KENET-AS, KE
  1916         258        192      43  Rede Nacional de Ensino e Pesquisa, BR
   668         216        620     179  DNIC-AS-00668, US
   376         202        178     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         434          411  CSTNET-AS-AP Computer Network Information Cente
  2018         365          299  TENET-1, ZA
 36914         260          257  KENET-AS, KE
  1916         258          215  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
  2152         274          180  CSUNET-NW, US
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  4758         167          165  NICNET-VSNL-BOARDER-AP National Informatics Cen
327687         166          163  RENU, UG
  8895         163          158  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65200  PRIVATE      43.224.124.0/22         132124  ICTA-LK Information and Comm
     29867  UNALLOCATED  64.202.80.0/20           22742  CT-EDU-NET, US
     65200  PRIVATE      103.11.32.0/22          132124  ICTA-LK Information and Comm
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     29867  UNALLOCATED  192.160.243.0/24         22742  CT-EDU-NET, US
     29867  UNALLOCATED  192.160.244.0/24         22742  CT-EDU-NET, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US
     65200  PRIVATE      220.247.225.0/24        132124  ICTA-LK Information and Comm

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
64.202.80.0/20       Origin:     29867  UNASSIGNED
64.202.80.0/20      Transit:     22742  CT-EDU-NET, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24      Origin:    134096  EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24     Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/BDREN/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      /14:33      /15:122     /16:1988    /17:420     /18:434     
/19:573     /20:876     /21:870     /22:1495    /23:1590    /24:10337   
/25:88      /26:64      /27:75      /28:3       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         248         260  KENET-AS, KE
  8895         158         163  ISU Internet Services Unit ISU, SA
 32440          79         108  LONI, US
 23024          52         113  OCDE, US
  1916          39         258  Rede Nacional de Ensino e Pesquisa, BR
327700          34          40  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
  2152          31         274  CSUNET-NW, US

Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1         5:15        6:4         8:2        12:1        14:89     
  23:7        24:3        31:7        35:2        38:9        40:1      
  41:145      42:10       44:6        45:32       46:5        47:1      
  49:9        50:3        52:1        58:1        59:19       60:4      
  61:3        62:10       63:37       64:53       65:1        66:48     
  67:43       68:8        69:19       70:2        71:1        72:7      
  74:50       76:41       77:9        78:3        79:10       80:9      
  81:26       82:6        83:6        84:7        85:41       86:10     
  87:1        89:10       91:48       92:2        93:4        94:4      
  95:2        97:2        98:2       101:2       102:28      103:265    
 104:80      108:10      109:9       111:16      114:23      116:6      
 117:61      118:32      119:18      121:28      122:8       123:8      
 124:38      125:4       128:87      129:40      130:88      131:55     
 132:62      133:155     134:104     136:198     137:134     138:9      
 139:5       140:52      141:1       142:39      143:29      144:26     
 145:2       146:130     147:59      148:193     149:12      150:40     
 151:11      152:136     153:14      154:31      155:63      156:67     
 157:23      158:36      159:115     160:27      161:24      162:26     
 163:80      164:160     165:46      166:1       167:13      168:124    
 169:8       170:67      171:1       172:3       173:7       175:27     
 176:8       177:6       179:12      180:15      181:1       182:1      
 184:3       185:53      186:3       187:17      188:13      189:3      
 190:18      191:13      192:1354    193:297     194:141     195:88     
 196:203     197:163     198:510     199:283     200:265     201:38     
 202:623     203:426     204:361     205:137     206:186     207:191    
 208:71      209:139     210:184     211:3       212:168     213:5      
 214:8       216:87      217:11      218:22      219:6       220:17     
 222:2       223:14     

End of report


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