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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jun 14 20:20:57 UTC 2024


IPv4 R&E Routing Table Report   20:20 GMT Fri 14 Jun, 2024

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

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

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

BGP routing table entries examined:                               19335
    Prefixes after maximum aggregation (per Origin AS):           10668
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11873
    Number of IPv4 prefixes with a valid ROA:                      6311
    Number of IPv4 prefixes with an invalid ROA:                     98
    Number of IPv4 prefixes with no ROA:                          12926
Total ASes present in the Internet Routing Table:                  2791
    Prefixes per ASN:                                              6.93
Origin-only ASes present in the Internet Routing Table:            2416
Origin ASes announcing only one prefix:                            1068
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             69
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       7.2
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      44755
Number of 32-bit ASNs visible in the Routing Table:                 660
Prefixes from 32-bit ASNs in the Routing Table:                    1824
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:              2
Number of addresses announced to Internet:                    200323072
    Equivalent to 11 /8s, 240 /16s and 176 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2193

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

Prefixes being announced by APNIC Region ASes:                     5006
    Total APNIC prefixes after maximum aggregation:                2363
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            5010
    Unique aggregates announced from the APNIC address blocks:     2834
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        8.55
APNIC Region origin ASes announcing only one prefix:                252
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         12
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               45366528
    Equivalent to 2 /8s, 180 /16s and 61 /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:                      8563
    Total ARIN prefixes after maximum aggregation:                 4773
    ARIN Deaggregation factor:                                     1.79
Prefixes being announced from the ARIN address blocks:             8577
    Unique aggregates announced from the ARIN address blocks:      5232
ARIN Region origin ASes present in the Internet Routing Table:     1269
    ARIN Prefixes per ASN:                                         6.76
ARIN Region origin ASes announcing only one prefix:                 448
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         8.0
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     207
Number of ARIN addresses announced to Internet:                90840576
    Equivalent to 5 /8s, 106 /16s and 30 /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:                      3533
    Total RIPE prefixes after maximum aggregation:                 2834
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3521
    Unique aggregates announced from the RIPE address blocks:      2885
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.22
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         7.9
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                57563392
    Equivalent to 3 /8s, 110 /16s and 89 /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:                    1363
    Total LACNIC prefixes after maximum aggregation:                542
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1362
    Unique aggregates announced from the LACNIC address blocks:     726
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.51
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4132608
    Equivalent to 0 /8s, 63 /16s and 15 /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:                    863
    Total AfriNIC prefixes after maximum aggregation:               150
    AfriNIC Deaggregation factor:                                  5.75
Prefixes being announced from the AfriNIC address blocks:           862
    Unique aggregates announced from the AfriNIC address blocks:    194
AfriNIC Region origin ASes present in the Internet Routing Table:    29
    AfriNIC Prefixes per ASN:                                     29.72
AfriNIC Region origin ASes announcing only one prefix:               12
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      7.3
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2417664
    Equivalent to 0 /8s, 36 /16s and 228 /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         581       2111     456  SINET-AS Research Organization of Infor
  7497         440        180      24  UNASSIGNED
  1237         191         74     142  UNASSIGNED
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  UNASSIGNED
 17882         144          9      33  UNASSIGNED
 55824         133         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  4850          86          0       1  UNASSIGNED
  9411          82         16       2  UNASSIGNED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         480        507      96  CSUNET-NW, US
  2920         224         44      45  LACOE, US
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  UNASSIGNED
  5786         199         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         132        501      32  NCREN, US
 23024         106          7      22  OCDE, US
   237          85        543      51  UNASSIGNED
  1736          79         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  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
  3267          76         26      66  RUNNET, RU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1916         139        176      42  Rede Nacional de Ensino e Pesquisa, BR
 11340         109         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      71  TENET-1, ZA
 36914         251         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         581       2111     456  SINET-AS Research Organization of Infor
  2152         480        507      96  CSUNET-NW, US
  7497         440        180      24  UNASSIGNED
  2018         381        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
  2920         224         44      45  LACOE, US
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  UNASSIGNED
  5786         199         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
  7497         440          416  UNASSIGNED
  2152         480          384  CSUNET-NW, US
  2018         381          310  TENET-1, ZA
 36914         251          248  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         224          179  LACOE, US
 18558         141          136  NETBLK-RCOEK, US
  8895         133          128  ISU Internet Services Unit ISU, SA
 55824         133          113  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  UNASSIGNED
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     65101  PRIVATE      202.21.123.0/24           9484  UNASSIGNED
     65512  PRIVATE      202.126.89.0/24          55805  UNASSIGNED
     65512  PRIVATE      202.126.90.0/24          55805  UNASSIGNED
     65512  PRIVATE      202.126.91.0/24          55805  UNASSIGNED

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

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
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      7500  M-ROOT-DNS WIDE Project, JP

Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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       /11:1       /12:10      
/13:18      /14:33      /15:121     /16:1987    /17:418     /18:449     
/19:568     /20:886     /21:880     /22:1537    /23:1613    /24:10724   
/25:0       /26:0       /27:2       /28:4       /29:2       /30:4       
/31:1       /32:74      

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

   ASN  No of nets  Total ann.  Description
 36914         238         251  KENET-AS, KE
  8895         128         133  ISU Internet Services Unit ISU, SA
  4850          85          86  UNASSIGNED
  2152          56         480  CSUNET-NW, US
 23024          49         106  OCDE, US
 32440          38          64  LONI, US
327700          38          43  MoRENet, MZ
  3267          35          76  RUNNET, RU
 17882          35         144  UNASSIGNED
 18632          34          67  VOLCANO-VISION, US

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

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

   1:1         5:15        6:4         8:2        12:1        14:92     
  23:5        24:3        27:4        31:1        35:3        36:2      
  38:10       40:1        41:199      42:10       43:8        44:5      
  45:40       46:5        47:1        49:9        50:5        52:1      
  59:23       60:6        61:3        62:8        63:36       64:49     
  65:5        66:92       67:42       68:10       69:19       70:2      
  71:1        72:7        74:52       76:42       77:10       78:3      
  79:10       80:14       81:24       82:6        83:7        84:8      
  85:30       86:5        87:1        89:11       91:47       92:2      
  93:5        94:2        95:2        97:2        98:2       101:1      
 102:4       103:337     104:76      107:16      108:8       109:8      
 112:16      114:24      116:8       117:61      118:34      119:21     
 121:11      122:24      123:8       124:44      125:5       128:83     
 129:40      130:84      131:62      132:66      133:157     134:109    
 136:198     137:79      138:57      139:9       140:38      141:3      
 142:26      143:25      144:26      145:2       146:135     147:63     
 148:194     149:11      150:41      151:9       152:136     153:15     
 154:37      155:64      156:134     157:21      158:35      159:119    
 160:30      161:17      162:23      163:62      164:14      165:48     
 166:1       167:13      168:121     169:6       170:107     171:1      
 172:3       173:6       175:18      176:8       177:4       179:14     
 180:15      181:1       182:1       184:2       185:52      186:3      
 187:18      188:13      189:3       190:18      191:13      192:1408   
 193:262     194:141     195:73      196:154     197:115     198:542    
 199:279     200:253     201:37      202:770     203:440     204:393    
 205:160     206:204     207:285     208:72      209:164     210:194    
 211:14      212:163     213:6       214:8       216:92      217:10     
 218:23      219:5       220:17      222:2       223:4      

End of report


More information about the ren-bgp-stats-all mailing list