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

REN Routing Table Report cscora at frr.nsrc.org
Mon Feb 20 18:00:41 UTC 2023


IPv4 R&E Routing Table Report   18:00 GMT Mon 20 Feb, 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:                               14379
    Prefixes after maximum aggregation (per Origin AS):            8290
    Deaggregation factor:                                          1.73
    Unique aggregates announced (without unneeded subnets):        9241
    Number of IPv4 prefixes with a valid ROA:                      3544
    Number of IPv4 prefixes with an invalid ROA:                     92
    Number of IPv4 prefixes with no ROA:                          10743
Total ASes present in the Internet Routing Table:                  2120
    Prefixes per ASN:                                              6.78
Origin-only ASes present in the Internet Routing Table:            1838
Origin ASes announcing only one prefix:                             841
Transit ASes present in the Internet Routing Table:                 282
Transit-only ASes present in the Internet Routing Table:             44
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 30116)                              10
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      41223
Number of 32-bit ASNs visible in the Routing Table:                 477
Prefixes from 32-bit ASNs in the Routing Table:                    1322
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:                    170419713
    Equivalent to 10 /8s, 40 /16s and 102 /24s
    Percentage of available address space announced:                4.6
    Percentage of allocated address space announced:                4.6
    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:        2021

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

Prefixes being announced by APNIC Region ASes:                     3466
    Total APNIC prefixes after maximum aggregation:                1776
    APNIC Deaggregation factor:                                    1.95
Prefixes being announced from the APNIC address blocks:            3467
    Unique aggregates announced from the APNIC address blocks:     1953
APNIC Region origin ASes present in the Internet Routing Table:     440
    APNIC Prefixes per ASN:                                        7.88
APNIC Region origin ASes announcing only one prefix:                200
APNIC Region transit ASes present in the Internet Routing Table:     48
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    174
Number of APNIC addresses announced to Internet:               38215488
    Equivalent to 2 /8s, 71 /16s and 31 /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:                      6157
    Total ARIN prefixes after maximum aggregation:                 3622
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             6172
    Unique aggregates announced from the ARIN address blocks:      4106
ARIN Region origin ASes present in the Internet Routing Table:      952
    ARIN Prefixes per ASN:                                         6.48
ARIN Region origin ASes announcing only one prefix:                 328
ARIN Region transit ASes present in the Internet Routing Table:     114
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:     135
Number of ARIN addresses announced to Internet:                74252544
    Equivalent to 4 /8s, 109 /16s and 1 /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:                      2912
    Total RIPE prefixes after maximum aggregation:                 2448
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             2902
    Unique aggregates announced from the RIPE address blocks:      2531
RIPE Region origin ASes present in the Internet Routing Table:      567
    RIPE Prefixes per ASN:                                         5.12
RIPE Region origin ASes announcing only one prefix:                 263
RIPE Region transit ASes present in the Internet Routing Table:      83
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:     126
Number of RIPE addresses announced to Internet:                55160192
    Equivalent to 3 /8s, 73 /16s and 173 /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:                     678
    Total LACNIC prefixes after maximum aggregation:                352
    LACNIC Deaggregation factor:                                   1.93
Prefixes being announced from the LACNIC address blocks:            674
    Unique aggregates announced from the LACNIC address blocks:     506
LACNIC Region origin ASes present in the Internet Routing Table:     82
    LACNIC Prefixes per ASN:                                       8.22
LACNIC Region origin ASes announcing only one prefix:                39
LACNIC Region transit ASes present in the Internet Routing Table:    19
Average LACNIC Region AS path length visible:                       5.8
    Max LACNIC Region AS path length visible:                        10
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    29
Number of LACNIC addresses announced to Internet:               1950208
    Equivalent to 0 /8s, 29 /16s and 194 /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:                   1163
    Total AfriNIC prefixes after maximum aggregation:                89
    AfriNIC Deaggregation factor:                                 13.07
Prefixes being announced from the AfriNIC address blocks:          1161
    Unique aggregates announced from the AfriNIC address blocks:    143
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     36.28
AfriNIC Region origin ASes announcing only one prefix:               11
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.0
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:               841024
    Equivalent to 0 /8s, 12 /16s and 213 /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         590       2157     463  SINET-AS Research Organization of Infor
  7497         432        180      21  CSTNET-AS-AP Computer Network Informati
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         118         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          65          6      46  UNINET-AS-AP UNINET-, TH
  2697          55          3      33  ERX-ERNET-AS Education and Research Net
 45773          47          3       5  HECPERN-AS-PK PERN AS Content Servie Pr
  9903          46          3       3  RIT-AS-AP Rajamangala Institute of Tech

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
  5786         199         16       1  UPRENET, PR
   376         198        178     147  RISQ-AS, CA
  2152         150        491      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         112          7      19  OCDE, US
  2920         109         34       7  LACOE, US
 32440          94         18      16  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         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         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          96       1518      85  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      21  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         125         62      64  Rede Nacional de Ensino e Pesquisa, BR
 11340         104         24      47  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          56        101      36  Fundacao Carlos Chagas Filho de Amparo 
263683          32         10      20  Universidad de Costa Rica, CR
 28571          31         38      13  UNIVERSIDADE DE SAO PAULO, BR
  3597          23          2      17  Fundacion InnovaT, AR
 27790          18          2       2  Universidad Nacional de Cordoba, AR
 52888          18          7       9  UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
 28609          16          1       1  Instituto Nupef, BR

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         611          4       4  MARWAN-AS, MA
 36914         254         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          55         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37654          10          1       6  RwEdNet-AS, RW
328358           5          1       1  Makerere-AS, UG

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         611          4       4  MARWAN-AS, MA
  2907         590       2157     463  SINET-AS Research Organization of Infor
  7497         432        180      21  CSTNET-AS-AP Computer Network Informati
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         254         82       3  KENET-AS, KE
  5786         199         16       1  UPRENET, PR
   376         198        178     147  RISQ-AS, CA
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB
 58647         177         18       2  KAGAWAU-AS Kagawa University, JP

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         432          411  CSTNET-AS-AP Computer Network Information Cente
 36914         254          251  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         177          175  KAGAWAU-AS Kagawa University, JP
 18558         134          130  NETBLK-RCOEK, US
  2907         590          127  SINET-AS Research Organization of Information a
  4538         191          118  ERX-CERNET-BKB China Education and Research Net
 55824         118          107  NKN-CORE-NW NKN Core Network, IN
  2920         109          102  LACOE, US
 23024         112           93  OCDE, US

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
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
    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  UNASSIGNED
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

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      /14:33      /15:102     /16:1662    /17:293     /18:309     
/19:414     /20:589     /21:633     /22:1032    /23:1154    /24:7384    
/25:52      /26:53      /27:87      /28:9       /29:56      /30:1       
/31:1       /32:485     

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

   ASN  No of nets  Total ann.  Description
 30983         584         611  MARWAN-AS, MA
 36914         241         254  KENET-AS, KE
 32440          79          94  LONI, US
 23024          52         112  OCDE, US
200521          31          54  SEAP-AGE, ES
 37182          30          31  TERNET, TZ
327700          28          33  MoRENet, MZ
 25977          27          30  HCCS, US
 36794          24          26  SCOCA, US
  1916          22         125  Rede Nacional de Ensino e Pesquisa, BR

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       23:4      
  24:3        31:3        35:6        38:6        41:139      42:11     
  44:4        45:20       46:5        49:6        58:12       59:9      
  60:4        61:2        62:6        63:3        64:29       65:1      
  66:5        67:34       68:1        69:12       70:2        71:1      
  72:7        74:16       76:40       77:4        78:3        79:10     
  80:8        81:27       83:6        84:3        85:24       86:3      
  87:1        89:10       91:36       93:4        94:2        95:2      
  96:5       101:4       102:12      103:210     104:70      108:6      
 109:3       110:2       111:16      114:1       116:6       118:18     
 119:21      121:28      122:8       123:8       124:39      125:1      
 128:62      129:27      130:85      131:56      132:48      133:149    
 134:68      136:198     137:80      138:9       139:5       140:29     
 141:1       142:39      143:17      144:23      145:2       146:93     
 147:22      148:7       149:12      150:99      151:9       152:61     
 153:6       154:6       155:40      156:67      157:21      158:33     
 159:114     160:27      161:16      162:15      163:72      164:8      
 165:11      167:7       168:57      169:8       170:13      172:2      
 173:7       175:25      177:7       179:7       180:16      182:1      
 185:32      186:2       187:3       188:12      189:3       190:3      
 191:1       192:1217    193:307     194:94      195:78      196:43     
 197:155     198:357     199:203     200:178     201:21      202:453    
 203:259     204:302     205:111     206:148     207:122     208:59     
 209:105     210:89      211:2       212:43      213:2       216:54     
 217:10      219:11      220:5       222:4       223:9      

End of report


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