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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 23 20:20:59 UTC 2024


IPv4 R&E Routing Table Report   20:20 GMT Thu 23 May, 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:                               19352
    Prefixes after maximum aggregation (per Origin AS):           10690
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11907
    Number of IPv4 prefixes with a valid ROA:                      6268
    Number of IPv4 prefixes with an invalid ROA:                     98
    Number of IPv4 prefixes with no ROA:                          12986
Total ASes present in the Internet Routing Table:                  2796
    Prefixes per ASN:                                              6.92
Origin-only ASes present in the Internet Routing Table:            2419
Origin ASes announcing only one prefix:                            1077
Transit ASes present in the Internet Routing Table:                 377
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:       7.0
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      44529
Number of 32-bit ASNs visible in the Routing Table:                 660
Prefixes from 32-bit ASNs in the Routing Table:                    1814
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:              1
Number of addresses announced to Internet:                    200780032
    Equivalent to 11 /8s, 247 /16s and 169 /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:        2219

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

Prefixes being announced by APNIC Region ASes:                     5015
    Total APNIC prefixes after maximum aggregation:                2372
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            5019
    Unique aggregates announced from the APNIC address blocks:     2847
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        8.56
APNIC Region origin ASes announcing only one prefix:                251
APNIC Region transit ASes present in the Internet Routing Table:     64
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:    226
Number of APNIC addresses announced to Internet:               45580800
    Equivalent to 2 /8s, 183 /16s and 130 /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:                      8577
    Total ARIN prefixes after maximum aggregation:                 4777
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:             8590
    Unique aggregates announced from the ARIN address blocks:      5233
ARIN Region origin ASes present in the Internet Routing Table:     1274
    ARIN Prefixes per ASN:                                         6.74
ARIN Region origin ASes announcing only one prefix:                 454
ARIN Region transit ASes present in the Internet Routing Table:     160
Average ARIN Region AS path length visible:                         8.0
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:     209
Number of ARIN addresses announced to Internet:                90966528
    Equivalent to 5 /8s, 108 /16s and 10 /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:                      3551
    Total RIPE prefixes after maximum aggregation:                 2857
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3539
    Unique aggregates announced from the RIPE address blocks:      2912
RIPE Region origin ASes present in the Internet Routing Table:      673
    RIPE Prefixes per ASN:                                         5.26
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         7.1
    Max RIPE Region AS path length visible:                          18
Number of RIPE region 32-bit ASNs visible in the Routing Table:     150
Number of RIPE addresses announced to Internet:                57583104
    Equivalent to 3 /8s, 110 /16s and 166 /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:                    1344
    Total LACNIC prefixes after maximum aggregation:                536
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1343
    Unique aggregates announced from the LACNIC address blocks:     715
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.45
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       9.1
    Max LACNIC Region AS path length visible:                        18
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4233984
    Equivalent to 0 /8s, 64 /16s and 155 /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:                    859
    Total AfriNIC prefixes after maximum aggregation:               143
    AfriNIC Deaggregation factor:                                  6.01
Prefixes being announced from the AfriNIC address blocks:           859
    Unique aggregates announced from the AfriNIC address blocks:    199
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     26.84
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      7.6
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2415360
    Equivalent to 0 /8s, 36 /16s and 219 /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         591       2162     464  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  1237         190         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 17882         144          9      33  UNIVISION-AS-AP UNIVISION LLC, MN
 55824         131         19      18  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  4850          86          0       1  DIGICOM-AS-AP Digicom LLC, MN
  9411          82         16       2  NONTRINET-AS-AP Kasetsart University, T

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         227         44      46  LACOE, US
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  DNIC-AS-00668, US
  5786         193         16       1  UPRENET, PR
 18558         141         18       5  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024         108          7      22  OCDE, US
   237          87        543      51  MERIT-AS-14, US
  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         187       1767     184  JANET Jisc Services Limited, GB
  8895         132         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          74         26      64  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         108         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       2  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
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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         380        319      71  TENET-1, ZA
 36914         257         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          14          1       8  RwEdNet-AS, RW
 37182          12          8       1  TERNET, TZ
 37501           6         48       3  UOFS, ZA
 31960           5          1       1  EMUNET, MZ

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         591       2162     464  SINET-AS Research Organization of Infor
  2152         480        507      96  CSUNET-NW, US
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  2018         380        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         257         82       3  KENET-AS, KE
  2920         227         44      46  LACOE, US
   376         203        162     152  RISQ-AS, CA
   668         203        632     172  DNIC-AS-00668, US
  5786         193         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  CSTNET-AS-AP Computer Network Information Cente
  2152         480          384  CSUNET-NW, US
  2018         380          309  TENET-1, ZA
 36914         257          254  KENET-AS, KE
  5786         193          192  UPRENET, PR
  2920         227          181  LACOE, US
 58647         182          180  KAGAWAU-AS Kagawa University, JP
 18558         141          136  NETBLK-RCOEK, US
  8895         132          127  ISU Internet Services Unit ISU, SA
 55824         131          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
     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  MOBINET-AS-MN Mobinet LLC. A
     65512  PRIVATE      202.126.89.0/24          55805  MOBICOM-AS-MN MobiCom Corpor
     65512  PRIVATE      202.126.90.0/24          55805  MOBICOM-AS-MN MobiCom Corpor
     65512  PRIVATE      202.126.91.0/24          55805  MOBICOM-AS-MN MobiCom Corpor

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
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     /16:1993    /17:419     /18:448     
/19:572     /20:884     /21:883     /22:1539    /23:1612    /24:10729   
/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         244         257  KENET-AS, KE
  8895         127         132  ISU Internet Services Unit ISU, SA
  4850          85          86  DIGICOM-AS-AP Digicom LLC, MN
  2152          56         480  CSUNET-NW, US
 23024          51         108  OCDE, US
327700          40          46  MoRENet, MZ
 32440          38          64  LONI, US
 17882          35         144  UNIVISION-AS-AP UNIVISION LLC, MN
 18632          33          66  VOLCANO-VISION, US
200521          33          56  SEAP-AGE, ES

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

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

   1:2         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        41:202      42:10       43:8        44:5      
  45:38       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       69:18       70:2      
  71:1        72:7        74:52       76:42       77:11       78:3      
  79:10       80:12       81:26       82:7        83:7        84:8      
  85:41       86:5        87:1        89:11       91:51       92:2      
  93:5        94:2        95:2        96:5        97:2        98:2      
 101:1       102:5       103:338     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      
 128:88      129:39      130:85      131:62      132:66      133:157    
 134:109     136:192     137:79      138:57      139:9       140:34     
 141:3       142:26      143:24      144:26      145:2       146:134    
 147:63      148:195     149:11      150:41      151:9       152:136    
 153:14      154:31      155:63      156:135     157:20      158:35     
 159:119     160:30      161:18      162:21      163:62      164:14     
 165:48      166:1       167:9       168:121     169:6       170:108    
 171:1       172:3       173:6       175:18      176:8       177:5      
 179:9       180:15      181:1       182:1       184:2       185:52     
 186:3       187:17      188:13      189:3       190:17      191:13     
 192:1409    193:266     194:142     195:74      196:149     197:120    
 198:542     199:275     200:253     201:37      202:767     203:440    
 204:392     205:161     206:205     207:290     208:75      209:165    
 210:189     211:14      212:161     213:6       214:8       216:93     
 217:10      218:23      219:5       220:17      222:2       223:4      


End of report


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