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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Oct 15 18:00:40 UTC 2024


IPv4 R&E Routing Table Report   18:00 GMT Tue 15 Oct, 2024

  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:                               18359
    Prefixes after maximum aggregation (per Origin AS):            9758
    Deaggregation factor:                                          1.88
    Unique aggregates announced (without unneeded subnets):       10596
    Number of IPv4 prefixes with a valid ROA:                      6580
    Number of IPv4 prefixes with an invalid ROA:                     94
    Number of IPv4 prefixes with no ROA:                          11685
Total ASes present in the Internet Routing Table:                  2614
    Prefixes per ASN:                                              7.02
Origin-only ASes present in the Internet Routing Table:            2257
Origin ASes announcing only one prefix:                            1019
Transit ASes present in the Internet Routing Table:                 357
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.8
    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:                      45545
Number of 32-bit ASNs visible in the Routing Table:                 649
Prefixes from 32-bit ASNs in the Routing Table:                    1830
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:              4
Number of addresses announced to Internet:                    188938834
    Equivalent to 11 /8s, 66 /16s and 250 /24s
    Percentage of available address space announced:                5.1
    Percentage of allocated address space announced:                5.1
    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:        2770

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

Prefixes being announced by APNIC Region ASes:                     4028
    Total APNIC prefixes after maximum aggregation:                1931
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4028
    Unique aggregates announced from the APNIC address blocks:     2155
APNIC Region origin ASes present in the Internet Routing Table:     513
    APNIC Prefixes per ASN:                                        7.85
APNIC Region origin ASes announcing only one prefix:                225
APNIC Region transit ASes present in the Internet Routing Table:     55
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    205
Number of APNIC addresses announced to Internet:               38857281
    Equivalent to 2 /8s, 80 /16s and 234 /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:                      8242
    Total ARIN prefixes after maximum aggregation:                 4562
    ARIN Deaggregation factor:                                     1.81
Prefixes being announced from the ARIN address blocks:             8258
    Unique aggregates announced from the ARIN address blocks:      4952
ARIN Region origin ASes present in the Internet Routing Table:     1237
    ARIN Prefixes per ASN:                                         6.68
ARIN Region origin ASes announcing only one prefix:                 433
ARIN Region transit ASes present in the Internet Routing Table:     152
Average ARIN Region AS path length visible:                         5.5
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     205
Number of ARIN addresses announced to Internet:                87135616
    Equivalent to 5 /8s, 49 /16s and 149 /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:                      3159
    Total RIPE prefixes after maximum aggregation:                 2645
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3147
    Unique aggregates announced from the RIPE address blocks:      2669
RIPE Region origin ASes present in the Internet Routing Table:      589
    RIPE Prefixes per ASN:                                         5.34
RIPE Region origin ASes announcing only one prefix:                 270
RIPE Region transit ASes present in the Internet Routing Table:      93
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     139
Number of RIPE addresses announced to Internet:                58041488
    Equivalent to 3 /8s, 117 /16s and 164 /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:                    1530
    Total LACNIC prefixes after maximum aggregation:                548
    LACNIC Deaggregation factor:                                   2.79
Prefixes being announced from the LACNIC address blocks:           1526
    Unique aggregates announced from the LACNIC address blocks:     730
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       9.30
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    70
Number of LACNIC addresses announced to Internet:               4218368
    Equivalent to 0 /8s, 64 /16s and 94 /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:                   1398
    Total AfriNIC prefixes after maximum aggregation:                70
    AfriNIC Deaggregation factor:                                 19.97
Prefixes being announced from the AfriNIC address blocks:          1395
    Unique aggregates announced from the AfriNIC address blocks:     86
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     29.68
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:                      2.6
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:               683520
    Equivalent to 0 /8s, 10 /16s and 110 /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         600       2170     465  SINET-AS Research Organization of Informa
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         132         18      19  NKN-CORE-NW NKN Core Network, IN
  4538         130       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
  2697          60          4      35  ERX-ERNET-AS Education and Research Netwo
 38280          50          3       2  MONASHUNI-MY-AS-AP Monash University Sunw

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
  2152         434        507      97  CENIC-2152, US
  2920         224         44      45  LACOE, US
   376         200        162     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, US
  1736          79         16       1  MU-AS, 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       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  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
  2200          63        598      58  FR-RENATER Reseau National de telecommuni
200521          54          4      24  SEAP-AGE, ES

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         280        180      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  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/MARWAN/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         692          4       5  MARWAN-AS, MA
 36914         531         82       3  KENET-AS, KE
327700          46         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          12          8       4  NRaE1-AS, NG
 37654           5          0       5  RwEdNet-AS, RW
327947           5          4       1  KNUST-, GH
328903           4          0       1  RITER, CI
 37074           3          8       2  UG-AS, GH

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         692          4       5  MARWAN-AS, MA
  2907         600       2170     465  SINET-AS Research Organization of Informa
 36914         531         82       3  KENET-AS, KE
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2152         434        507      97  CENIC-2152, US
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
  1916         280        180      43  Rede Nacional de Ensino e Pesquisa, BR
  2920         224         44      45  LACOE, US
   376         200        162     149  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
 36914         531          528  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         434          337  CENIC-2152, US
  1916         280          237  Rede Nacional de Ensino e Pesquisa, BR
  5786         198          197  UPRENET, PR
  2920         224          179  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
 18558         140          136  NETBLK-RCOEK, US
  2907         600          135  SINET-AS Research Organization of Information a
 55824         132          113  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, 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
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
192.168.167.1/32     Origin:     30983  MARWAN-AS, MA
192.168.167.1/32    Transit:         0  UNALLOCATED
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
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      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       /10:1       /11:0       /12:10      
/13:16      /14:34      /15:113     /16:1897    /17:379     /18:424     
/19:541     /20:798     /21:793     /22:1318    /23:1414    /24:9782    
/25:52      /26:72      /27:52      /28:14      /29:68      /30:6       
/31:1       /32:572     

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

   ASN  No of nets  Total ann.  Description
 30983         666         692  MARWAN-AS, MA
 36914         510         531  KENET-AS, KE
  1916          70         280  Rede Nacional de Ensino e Pesquisa, BR
  2152          40         434  CENIC-2152, US
327700          40          46  MoRENet, MZ
 23024          37          95  OCDE, US
 32440          37          64  LONI, US
 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/MARWAN/data-sXXas-nos

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

   1:1         5:15        8:2        12:1        14:92       23:5      
  24:3        31:1        35:3        37:8        38:10       40:1      
  41:250      42:10       44:5        45:42       46:4        47:1      
  49:7        50:2        52:1        59:19       60:6        61:3      
  62:5        63:32       64:44       65:4        66:42       67:40     
  68:12       69:19       70:2        71:1        72:7        74:53     
  76:42       77:7        78:3        79:10       80:7        81:24     
  82:3        83:6        84:7        85:25       86:3        87:1      
  89:11       91:37       93:13       94:2        95:2        96:5      
  97:1        98:2       101:1       102:14      103:268     104:79     
 108:8       109:2       111:16      113:2       114:15      116:9      
 117:2       118:34      119:25      121:27      122:8       123:8      
 124:42      125:5       128:52      129:36      130:95      131:59     
 132:65      133:154     134:78      136:198     137:83      138:58     
 139:6       140:34      141:3       142:52      143:19      144:25     
 145:2       146:124     147:54      148:194     149:13      150:33     
 151:9       152:130     153:14      154:13      155:48      156:138    
 157:26      158:30      159:121     160:30      161:17      162:22     
 163:57      164:14      165:49      166:1       167:29      168:75     
 169:7       170:88      172:2       173:7       175:5       177:6      
 179:14      180:16      182:1       184:8       185:41      186:3      
 187:21      188:11      189:3       190:18      191:13      192:1356   
 193:259     194:115     195:70      196:27      197:319     198:501    
 199:246     200:331     201:38      202:625     203:336     204:394    
 205:160     206:207     207:282     208:66      209:132     210:102    
 211:2       212:40      213:4       216:60      217:9       218:19     
 219:5       220:8       222:1       223:15     

End of report


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