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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Oct 13 18:00:40 UTC 2023


IPv4 R&E Routing Table Report   18:00 GMT Fri 13 Oct, 2023

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

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

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

BGP routing table entries examined:                               14814
    Prefixes after maximum aggregation (per Origin AS):            8357
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):        9091
    Number of IPv4 prefixes with a valid ROA:                      4190
    Number of IPv4 prefixes with an invalid ROA:                     93
    Number of IPv4 prefixes with no ROA:                          10531
Total ASes present in the Internet Routing Table:                  2193
    Prefixes per ASN:                                              6.76
Origin-only ASes present in the Internet Routing Table:            1907
Origin ASes announcing only one prefix:                             872
Transit ASes present in the Internet Routing Table:                 286
Transit-only ASes present in the Internet Routing Table:             45
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 30116)                              10
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:                      42831
Number of 32-bit ASNs visible in the Routing Table:                 517
Prefixes from 32-bit ASNs in the Routing Table:                    1528
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:              3
Number of addresses announced to Internet:                    174911009
    Equivalent to 10 /8s, 108 /16s and 238 /24s
    Percentage of available address space announced:                4.7
    Percentage of allocated address space announced:                4.7
    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:        2175

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

Prefixes being announced by APNIC Region ASes:                     3115
    Total APNIC prefixes after maximum aggregation:                1640
    APNIC Deaggregation factor:                                    1.90
Prefixes being announced from the APNIC address blocks:            3114
    Unique aggregates announced from the APNIC address blocks:     1746
APNIC Region origin ASes present in the Internet Routing Table:     386
    APNIC Prefixes per ASN:                                        8.07
APNIC Region origin ASes announcing only one prefix:                181
APNIC Region transit ASes present in the Internet Routing Table:     42
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    154
Number of APNIC addresses announced to Internet:               37606752
    Equivalent to 2 /8s, 61 /16s and 213 /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:                      6359
    Total ARIN prefixes after maximum aggregation:                 3739
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             6375
    Unique aggregates announced from the ARIN address blocks:      4176
ARIN Region origin ASes present in the Internet Routing Table:     1003
    ARIN Prefixes per ASN:                                         6.36
ARIN Region origin ASes announcing only one prefix:                 353
ARIN Region transit ASes present in the Internet Routing Table:     124
Average ARIN Region AS path length visible:                         6.0
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     152
Number of ARIN addresses announced to Internet:                77761376
    Equivalent to 4 /8s, 162 /16s and 139 /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:                      2926
    Total RIPE prefixes after maximum aggregation:                 2455
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             2913
    Unique aggregates announced from the RIPE address blocks:      2519
RIPE Region origin ASes present in the Internet Routing Table:      567
    RIPE Prefixes per ASN:                                         5.14
RIPE Region origin ASes announcing only one prefix:                 254
RIPE Region transit ASes present in the Internet Routing Table:      84
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     127
Number of RIPE addresses announced to Internet:                55001216
    Equivalent to 3 /8s, 71 /16s and 64 /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:                    1115
    Total LACNIC prefixes after maximum aggregation:                448
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1112
    Unique aggregates announced from the LACNIC address blocks:     553
LACNIC Region origin ASes present in the Internet Routing Table:    147
    LACNIC Prefixes per ASN:                                       7.56
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    61
Number of LACNIC addresses announced to Internet:               3628768
    Equivalent to 0 /8s, 55 /16s and 94 /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:                   1297
    Total AfriNIC prefixes after maximum aggregation:                73
    AfriNIC Deaggregation factor:                                 17.77
Prefixes being announced from the AfriNIC address blocks:          1296
    Unique aggregates announced from the AfriNIC address blocks:     94
AfriNIC Region origin ASes present in the Internet Routing Table:    43
    AfriNIC Prefixes per ASN:                                     30.14
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.9
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   23
Number of AfriNIC addresses announced to Internet:               912384
    Equivalent to 0 /8s, 13 /16s and 236 /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         596       2146     464  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
  4538         201       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  7575         175        329     119  AARNET-AS-AP Australian Academic and Re
 55824         126         18      17  NKN-CORE-NW NKN Core Network, IN
  2697          57          4      33  ERX-ERNET-AS Education and Research Net
132524          43          7      10  TIFR-AS Tata Institute of Fundamental R
  9270          33          5       6  APAN-KR-AS National Infomation Society 
 24361          33         56      17  CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         143        507      91  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
   270         118        329      82  AS270, US
 23024         112          7      19  OCDE, US
 32440         111         35      18  LONI, US
  2920         103         34       7  LACOE, US
 21976          82         51      18  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
   559         113        533     105  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
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu
200521          54          4      24  SEAP-AGE, ES
  1653          50        151      47  SUNET SUNET Swedish University Network,

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         251        176      43  Rede Nacional de Ensino e Pesquisa, BR
 11340         104         24      48  Red Universitaria Nacional, CL
271640          72          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 61468          43          3      14  CEDIA, EC
  2715          42         99      32  Fundacao Carlos Chagas Filho de Amparo 
263683          33         10      21  Universidad de Costa Rica, CR
  1251          31         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 20191          28         16       1  Pontificia Universidad Catolica de Chil
  3597          20          2      14  Fundacion InnovaT, AR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         695          4       4  MARWAN-AS, MA
 36914         251         82       3  KENET-AS, KE
327687         165         28       3  RENU, UG
327700          41         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          11          7       7  UG-AS, GH
 37654          10          1       6  RwEdNet-AS, RW
 37182           7          8       1  TERNET, TZ
 37215           7          8       1  MAREN, MW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         695          4       4  MARWAN-AS, MA
  2907         596       2146     464  SINET-AS Research Organization of Infor
  7497         435        180      23  CSTNET-AS-AP Computer Network Informati
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  1916         251        176      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         251         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
  4538         201       4193      75  ERX-CERNET-BKB China Education and Rese
  5786         197         16       1  UPRENET, PR
   786         185       1767     182  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
  7497         435          412  CSTNET-AS-AP Computer Network Information Cente
 36914         251          248  KENET-AS, KE
  1916         251          208  Rede Nacional de Ensino e Pesquisa, BR
  5786         197          196  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
327687         165          162  RENU, UG
 18558         141          137  NETBLK-RCOEK, US
  2907         596          132  SINET-AS Research Organization of Information a
  4538         201          126  ERX-CERNET-BKB China Education and Research Net
 55824         126          109  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65000  PRIVATE      102.216.118.0/24         30983  MARWAN-AS, MA
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.168.167.1/32          30983  MARWAN-AS, MA

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.168.167.1/32     Origin:     30983  MARWAN-AS, MA
192.168.167.1/32    Transit:         0  UNALLOCATED
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/MARWAN/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:2       /11:0       /12:9       
/13:17      /14:34      /15:105     /16:1702    /17:328     /18:332     
/19:443     /20:636     /21:651     /22:1073    /23:1145    /24:7499    
/25:55      /26:62      /27:80      /28:9       /29:58      /30:1       
/31:1       /32:570     

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

   ASN  No of nets  Total ann.  Description
 30983         668         695  MARWAN-AS, MA
 36914         240         251  KENET-AS, KE
 32440          81         111  LONI, US
 23024          52         112  OCDE, US
  1916          39         251  Rede Nacional de Ensino e Pesquisa, BR
327700          36          41  MoRENet, MZ
200521          32          54  SEAP-AGE, ES
 25977          28          42  HCCS, US
327687          26         165  RENU, UG
 26898          24          32  LNOCA-ORG, US

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

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

   1:1         5:15        8:2        12:1        14:89       23:3      
  24:3        31:3        35:2        38:4        40:1        41:119    
  42:12       44:6        45:31       46:5        49:7        58:11     
  59:9        60:5        61:2        62:6        63:3        64:29     
  65:1        66:9        67:34       68:1        69:8        70:2      
  71:1        72:7        74:17       76:41       77:8        78:3      
  79:10       80:7        81:26       82:2        83:6        84:7      
  85:24       86:1        87:1        89:10       91:36       93:4      
  94:2        95:2        96:5       101:5       102:30      103:196    
 104:72      108:8       109:3       110:1       111:10      114:1      
 116:6       118:18      119:18      121:14      123:8       124:40     
 125:1       128:67      129:30      130:85      131:52      132:58     
 133:152     134:76      136:195     137:122     138:9       139:4      
 140:30      141:1       142:38      143:15      144:23      145:2      
 146:118     147:20      148:7       149:12      150:10      151:12     
 152:122     153:7       154:5       155:47      156:65      157:10     
 158:27      159:114     160:30      161:14      162:16      163:77     
 164:8       165:9       167:10      168:56      169:8       170:64     
 172:3       173:7       175:15      177:5       179:12      180:14     
 181:1       182:1       184:3       185:37      186:3       187:1      
 188:12      189:3       190:19      191:2       192:1262    193:259    
 194:90      195:59      196:79      197:164     198:394     199:212    
 200:300     201:23      202:346     203:172     204:324     205:115    
 206:151     207:131     208:54      209:106     210:81      212:40     
 213:2       216:55      217:9       219:10      220:5       222:2      
 223:14     

End of report


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