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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jul 26 20:25:43 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Wed 26 Jul, 2023

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

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

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

BGP routing table entries examined:                               24103
    Prefixes after maximum aggregation (per Origin AS):           11320
    Deaggregation factor:                                          2.13
    Unique aggregates announced (without unneeded subnets):       12919
    Number of IPv4 prefixes with a valid ROA:                      9172
    Number of IPv4 prefixes with an invalid ROA:                    172
    Number of IPv4 prefixes with no ROA:                          14759
Total ASes present in the Internet Routing Table:                  2985
    Prefixes per ASN:                                              8.07
Origin-only ASes present in the Internet Routing Table:            2557
Origin ASes announcing only one prefix:                            1115
Transit ASes present in the Internet Routing Table:                 428
Transit-only ASes present in the Internet Routing Table:             84
Paths with bogon ASNs present in the IPv4 Routing Table:             10
Average AS path length visible in the Internet Routing Table:       6.3
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      42301
Number of 32-bit ASNs visible in the Routing Table:                 785
Prefixes from 32-bit ASNs in the Routing Table:                    4089
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:              3
Number of addresses announced to Internet:                    192832192
    Equivalent to 11 /8s, 126 /16s and 98 /24s
    Percentage of available address space announced:                5.2
    Percentage of allocated address space announced:                5.2
    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:        2385

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

Prefixes being announced by APNIC Region ASes:                    10070
    Total APNIC prefixes after maximum aggregation:                3139
    APNIC Deaggregation factor:                                    3.21
Prefixes being announced from the APNIC address blocks:            9966
    Unique aggregates announced from the APNIC address blocks:     3880
APNIC Region origin ASes present in the Internet Routing Table:     756
    APNIC Prefixes per ASN:                                       13.18
APNIC Region origin ASes announcing only one prefix:                286
APNIC Region transit ASes present in the Internet Routing Table:    100
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    357
Number of APNIC addresses announced to Internet:               37776320
    Equivalent to 2 /8s, 64 /16s and 107 /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:                      7967
    Total ARIN prefixes after maximum aggregation:                 4572
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             8031
    Unique aggregates announced from the ARIN address blocks:      5111
ARIN Region origin ASes present in the Internet Routing Table:     1249
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         7.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     192
Number of ARIN addresses announced to Internet:                90194432
    Equivalent to 5 /8s, 96 /16s and 66 /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:                      3615
    Total RIPE prefixes after maximum aggregation:                 2861
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3655
    Unique aggregates announced from the RIPE address blocks:      2914
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.40
RIPE Region origin ASes announcing only one prefix:                 295
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     143
Number of RIPE addresses announced to Internet:                57911552
    Equivalent to 3 /8s, 115 /16s and 169 /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:                    1405
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1403
    Unique aggregates announced from the LACNIC address blocks:     779
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       8.61
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    26
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:    67
Number of LACNIC addresses announced to Internet:               4220928
    Equivalent to 0 /8s, 64 /16s and 104 /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:                   1036
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  6.09
Prefixes being announced from the AfriNIC address blocks:          1045
    Unique aggregates announced from the AfriNIC address blocks:    232
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     20.90
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      7.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2728192
    Equivalent to 0 /8s, 41 /16s and 161 /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
  7470         733        509      54  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         592         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         505         73      18  UNINET-AS-AP UNINET-, TH
 45458         489         38      45  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         469         70      33  CAT-AP The Communication Authoity of Th
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
133481         408         74      32  AIS-FIBRE-AS-AP AIS Fibre, TH
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite
  4765         208         13      95  PACIFICINTERNET-AS-AP Pacific Internet 
  1237         191         74     139  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         270        507      94  CSUNET-NW, US
   376         199        178     147  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         136         18       4  NETBLK-RCOEK, US
    81         128        521      31  NCREN, US
 23024         113          7      17  OCDE, US
 19551         109          7      78  INCAPSULA, US
  2920         107         34       7  LACOE, US
 21976          84         51      18  NJEDGE-NET, US
  1736          79         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         285       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         190       1767     183  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         111        533     103  SWITCH Peering requests: peering at switch
  1103          95       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      74  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          74        465      74  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          62        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         221        176      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      48  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          48         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
  3596          34          4       3  Universidad Autonoma Metropolitana, MX
271640          34          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         368        319      71  TENET-1, ZA
 36914         257         82       3  KENET-AS, KE
327687         162         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7470         733        509      54  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         592         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         505         73      18  UNINET-AS-AP UNINET-, TH
 45458         489         38      45  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         469         70      33  CAT-AP The Communication Authoity of Th
  7497         434        180      23  CSTNET-AS-AP Computer Network Informati
133481         408         74      32  AIS-FIBRE-AS-AP AIS Fibre, TH
  2018         368        319      71  TENET-1, ZA
   680         285       1903     249  DFN Verein zur Foerderung eines Deutsch
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite

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

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

   ASN  No of nets  Net Savings  Description
131090         592          583  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         505          487  UNINET-AS-AP UNINET-, TH
 45458         489          444  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         469          436  CAT-AP The Communication Authoity of Thailand, 
  7497         434          411  CSTNET-AS-AP Computer Network Information Cente
133481         408          376  AIS-FIBRE-AS-AP AIS Fibre, TH
  2018         368          297  TENET-1, ZA
 36914         257          254  KENET-AS, KE
131293         273          209  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         197          196  UPRENET, PR

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    132172  UNALLOCATED  103.6.165.0/24            7470  TRUEINTERNET-AS-AP TRUE INTE
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65200  PRIVATE      119.63.67.0/24           65128  UNASSIGNED
     65200  PRIVATE      119.63.69.0/24           65128  UNASSIGNED
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64558  PRIVATE      180.128.0.0/16           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
103.6.165.0/24       Origin:    132172  UNASSIGNED
103.6.165.0/24      Transit:      7470  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
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/AIT/data-add-IANA

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:2       /11:1       /12:10      
/13:18      /14:34      /15:122     /16:1802    /17:449     /18:534     
/19:617     /20:981     /21:878     /22:2084    /23:1781    /24:14637   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:39      
/31:31      /32:59      

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

   ASN  No of nets  Total ann.  Description
 36914         245         257  KENET-AS, KE
  4621         146         505  UNINET-AS-AP UNINET-, TH
  8895         127         132  ISU Internet Services Unit ISU, SA
133481          65         408  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 18632          34          66  VOLCANO-VISION, US
 19551          32         109  INCAPSULA, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US

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

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

   1:138       2:1         5:15        8:4        12:1        14:94     
  18:1        23:26       24:1        27:68       31:7        35:2      
  38:9        40:1        41:110      42:10       43:96       44:6      
  45:121      46:5        47:4        49:549      50:3        52:1      
  58:212      59:10       60:4        61:305      62:12       63:38     
  64:57       65:5        66:48       67:43       68:8        69:19     
  70:2        71:1        72:7        74:50       76:41       77:9      
  78:3        79:6        80:13       81:26       82:7        83:6      
  84:11       85:40       86:11       87:1        89:10       90:1      
  91:46       92:2        93:3        94:4        95:13       96:6      
  97:2        98:2       101:23      102:31      103:457     104:80     
 106:67      107:50      108:10      109:8       110:421     111:55     
 112:27      113:45      114:34      115:10      116:57      117:61     
 118:105     119:240     121:16      122:224     123:16      124:43     
 125:12      128:92      129:46      130:91      131:63      132:60     
 133:11      134:307     136:199     137:131     138:10      139:15     
 140:49      141:8       142:38      143:23      144:36      145:3      
 146:134     147:60      148:199     149:13      150:44      151:11     
 152:135     153:14      154:58      155:63      156:68      157:31     
 158:38      159:242     160:1       161:28      162:26      163:86     
 164:65      165:47      166:1       167:18      168:172     169:8      
 170:90      171:144     172:4       173:6       174:1       175:19     
 176:8       177:5       179:12      180:76      181:1       182:44     
 183:9       184:18      185:66      186:3       187:17      188:14     
 189:3       190:19      191:13      192:1285    193:299     194:136    
 195:83      196:201     197:162     198:531     199:256     200:285    
 201:38      202:745     203:1077    204:361     205:138     206:194    
 207:188     208:74      209:155     210:258     211:5       212:163    
 213:5       216:87      217:8       218:24      220:17      221:36     
 222:2       223:59     

End of report


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