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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 30 18:00:39 UTC 2024


IPv4 R&E Routing Table Report   18:00 GMT Sat 30 Mar, 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:                               17663
    Prefixes after maximum aggregation (per Origin AS):            9715
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       10694
    Number of IPv4 prefixes with a valid ROA:                      5253
    Number of IPv4 prefixes with an invalid ROA:                     91
    Number of IPv4 prefixes with no ROA:                          12319
Total ASes present in the Internet Routing Table:                  2640
    Prefixes per ASN:                                              6.69
Origin-only ASes present in the Internet Routing Table:            2286
Origin ASes announcing only one prefix:                            1023
Transit ASes present in the Internet Routing Table:                 354
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      18
    Max AS path prepend of ASN (328212)                              11
Prefixes from unregistered ASNs in the Routing Table:                12
    Number of instances of unregistered ASNs:                        12
Number of 32-bit ASNs allocated by the RIRs:                      43980
Number of 32-bit ASNs visible in the Routing Table:                 653
Prefixes from 32-bit ASNs in the Routing Table:                    2000
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:                    190167506
    Equivalent to 11 /8s, 85 /16s and 185 /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:        2413

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

Prefixes being announced by APNIC Region ASes:                     4235
    Total APNIC prefixes after maximum aggregation:                2016
    APNIC Deaggregation factor:                                    2.10
Prefixes being announced from the APNIC address blocks:            4236
    Unique aggregates announced from the APNIC address blocks:     2253
APNIC Region origin ASes present in the Internet Routing Table:     550
    APNIC Prefixes per ASN:                                        7.70
APNIC Region origin ASes announcing only one prefix:                242
APNIC Region transit ASes present in the Internet Routing Table:     55
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               39259201
    Equivalent to 2 /8s, 87 /16s and 12 /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:                      7723
    Total ARIN prefixes after maximum aggregation:                 4416
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             7746
    Unique aggregates announced from the ARIN address blocks:      4908
ARIN Region origin ASes present in the Internet Routing Table:     1215
    ARIN Prefixes per ASN:                                         6.38
ARIN Region origin ASes announcing only one prefix:                 423
ARIN Region transit ASes present in the Internet Routing Table:     152
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     196
Number of ARIN addresses announced to Internet:                88713344
    Equivalent to 5 /8s, 73 /16s and 168 /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:                      3146
    Total RIPE prefixes after maximum aggregation:                 2637
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3135
    Unique aggregates announced from the RIPE address blocks:      2681
RIPE Region origin ASes present in the Internet Routing Table:      592
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 271
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     132
Number of RIPE addresses announced to Internet:                57027984
    Equivalent to 3 /8s, 102 /16s and 45 /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:                    1319
    Total LACNIC prefixes after maximum aggregation:                558
    LACNIC Deaggregation factor:                                   2.36
Prefixes being announced from the LACNIC address blocks:           1317
    Unique aggregates announced from the LACNIC address blocks:     752
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       8.08
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4277376
    Equivalent to 0 /8s, 65 /16s and 68 /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:                   1228
    Total AfriNIC prefixes after maximum aggregation:                78
    AfriNIC Deaggregation factor:                                 15.74
Prefixes being announced from the AfriNIC address blocks:          1226
    Unique aggregates announced from the AfriNIC address blocks:     98
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     25.02
AfriNIC Region origin ASes announcing only one prefix:               29
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      2.4
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   31
Number of AfriNIC addresses announced to Internet:               889344
    Equivalent to 0 /8s, 13 /16s and 146 /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       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4762          71          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  2697          58          4      34  ERX-ERNET-AS Education and Research Net

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         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         145        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
 32440         119         35      18  LONI, US
   270         117        328      81  AS270, US
 23024         109          7      19  OCDE, US
  2920         102         34       7  LACOE, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  2200          63        598      58  FR-RENATER Reseau National de telecommu
200521          56          4      20  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
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340         108         25      51  Red Universitaria Nacional, CL
  1916          82        176      43  Rede Nacional de Ensino e Pesquisa, BR
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          47         16       2  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX

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         688          4       5  MARWAN-AS, MA
 36914         200         82       3  KENET-AS, KE
327687         163         28       3  RENU, UG
327700          48         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW
 37661           7         16       6  NRaE1-AS, NG
 37182           6          8       1  TERNET, TZ

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         688          4       5  MARWAN-AS, MA
  2907         596       2162     465  SINET-AS Research Organization of Infor
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   376         201        162     151  RISQ-AS, CA
 36914         200         82       3  KENET-AS, KE
  5786         197         16       1  UPRENET, PR
   786         186       1767     183  JANET Jisc Services Limited, GB
  4538         183       4193      75  ERX-CERNET-BKB China Education and Rese
 58647         182         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         441          418  CSTNET-AS-AP Computer Network Information Cente
 36914         200          197  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
327687         163          160  RENU, UG
 18558         140          136  NETBLK-RCOEK, US
  2907         596          131  SINET-AS Research Organization of Information a
 55824         130          111  NKN-CORE-NW NKN Core Network, IN
  4538         183          108  ERX-CERNET-BKB China Education and Research Net
 32440         119          101  LONI, 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
     65000  PRIVATE      102.216.118.0/24         30983  MARWAN-AS, MA
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     11570  UNALLOCATED  192.94.216.0/24          40498  ABQG, US
     11570  UNALLOCATED  192.207.226.0/24         40498  ABQG, US
     11570  UNALLOCATED  198.59.106.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.107.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.108.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.188.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.189.0/24          40498  ABQG, US
     11570  UNALLOCATED  198.59.190.0/24          40498  ABQG, 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

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       /12:9       
/13:17      /14:34      /15:115     /16:1922    /17:385     /18:425     
/19:517     /20:793     /21:764     /22:1349    /23:1374    /24:9163    
/25:40      /26:41      /27:80      /28:11      /29:54      /30:1       
/31:1       /32:565     

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

   ASN  No of nets  Total ann.  Description
 30983         661         688  MARWAN-AS, MA
 36914         187         200  KENET-AS, KE
 32440          87         119  LONI, US
 23024          51         109  OCDE, US
327700          42          48  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, 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        14:90       23:5      
  24:3        31:1        35:6        38:8        40:1        41:123    
  42:16       44:5        45:37       46:5        47:1        49:9      
  50:1        52:1        58:10       59:20       60:6        61:3      
  62:6        63:32       64:44       65:1        66:45       67:41     
  68:10       69:17       70:2        71:1        72:7        74:51     
  76:41       77:8        78:3        79:10       80:9        81:25     
  82:3        83:6        84:7        85:24       86:3        87:1      
  89:10       91:40       93:4        94:2        95:2        96:5      
  97:1        98:2       101:5       102:38      103:319     104:77     
 108:8       109:5       111:16      114:15      116:8       117:2      
 118:34      119:20      121:27      122:8       123:8       124:42     
 125:5       128:85      129:36      130:83      131:59      132:59     
 133:157     134:81      136:196     137:136     138:57      139:5      
 140:36      141:3       142:40      143:17      144:23      145:2      
 146:124     147:50      148:192     149:11      150:33      151:9      
 152:124     153:14      154:6       155:48      156:67      157:20     
 158:34      159:115     160:30      161:14      162:20      163:68     
 164:14      165:47      166:1       167:8       168:75      169:6      
 170:89      172:3       173:6       175:25      176:8       177:6      
 179:13      180:15      181:1       182:9       184:3       185:42     
 186:3       187:17      188:11      189:3       190:17      191:13     
 192:1415    193:254     194:121     195:69      196:83      197:116    
 198:436     199:240     200:206     201:37      202:630     203:312    
 204:347     205:126     206:177     207:142     208:72      209:110    
 210:112     211:14      212:42      213:2       216:82      217:10     
 218:20      219:5       220:8       222:2       223:14     

End of report


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