[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 20 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 20 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              191614
    Prefixes after maximum aggregation (per Origin AS):           85061
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      106022
    Number of IPv4 prefixes with a valid ROA:                     75399
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         116196
Total ASes present in the Internet Routing Table:                 16061
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           13871
Origin ASes announcing only one prefix:                            6374
Transit ASes present in the Internet Routing Table:                2190
Transit-only ASes present in the Internet Routing Table:            588
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               248
    Number of instances of unregistered ASNs:                       248
Number of 32-bit ASNs allocated by the RIRs:                      44497
Number of 32-bit ASNs visible in the Routing Table:                5734
Prefixes from 32-bit ASNs in the Routing Table:                   19703
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:            107
Number of addresses announced to Internet:                   1120020765
    Equivalent to 66 /8s, 194 /16s and 41 /24s
    Percentage of available address space announced:               30.3
    Percentage of allocated address space announced:               30.3
    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:       56517

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

Prefixes being announced by APNIC Region ASes:                    30478
    Total APNIC prefixes after maximum aggregation:                7280
    APNIC Deaggregation factor:                                    4.19
Prefixes being announced from the APNIC address blocks:           29985
    Unique aggregates announced from the APNIC address blocks:     8295
APNIC Region origin ASes present in the Internet Routing Table:    1196
    APNIC Prefixes per ASN:                                       25.07
APNIC Region origin ASes announcing only one prefix:                487
APNIC Region transit ASes present in the Internet Routing Table:    205
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    530
Number of APNIC addresses announced to Internet:              201417196
    Equivalent to 12 /8s, 1 /16s and 97 /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:                     89218
    Total ARIN prefixes after maximum aggregation:                48724
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87844
    Unique aggregates announced from the ARIN address blocks:     54656
ARIN Region origin ASes present in the Internet Routing Table:     7496
    ARIN Prefixes per ASN:                                        11.72
ARIN Region origin ASes announcing only one prefix:                3245
ARIN Region transit ASes present in the Internet Routing Table:     681
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1553
Number of ARIN addresses announced to Internet:               655976545
    Equivalent to 39 /8s, 25 /16s and 104 /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:                     36948
    Total RIPE prefixes after maximum aggregation:                17511
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            37680
    Unique aggregates announced from the RIPE address blocks:     25339
RIPE Region origin ASes present in the Internet Routing Table:     3529
    RIPE Prefixes per ASN:                                        10.68
RIPE Region origin ASes announcing only one prefix:                1494
RIPE Region transit ASes present in the Internet Routing Table:     543
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1302
Number of RIPE addresses announced to Internet:               162435024
    Equivalent to 9 /8s, 174 /16s and 143 /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:                   29993
    Total LACNIC prefixes after maximum aggregation:               9415
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          29689
    Unique aggregates announced from the LACNIC address blocks:   14482
LACNIC Region origin ASes present in the Internet Routing Table:   2926
    LACNIC Prefixes per ASN:                                      10.15
LACNIC Region origin ASes announcing only one prefix:              1055
LACNIC Region transit ASes present in the Internet Routing Table:   585
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2226
Number of LACNIC addresses announced to Internet:              72547584
    Equivalent to 4 /8s, 82 /16s and 253 /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:                   4729
    Total AfriNIC prefixes after maximum aggregation:              1955
    AfriNIC Deaggregation factor:                                  2.42
Prefixes being announced from the AfriNIC address blocks:          6309
    Unique aggregates announced from the AfriNIC address blocks:   3153
AfriNIC Region origin ASes present in the Internet Routing Table:   228
    AfriNIC Prefixes per ASN:                                     27.67
AfriNIC Region origin ASes announcing only one prefix:               93
AfriNIC Region transit ASes present in the Internet Routing Table:   70
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  123
Number of AfriNIC addresses announced to Internet:             27552768
    Equivalent to 1 /8s, 164 /16s and 108 /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
  9808        9652       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         722      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         453        490     109  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9893      11370    3565  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2792       3441    1320  DNIC-ASBLK-00306-00371, US
 11776        1862        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1820        117    1257  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1341        387     609  DNIC-ASBLK-05800-06055, US
  7979         985         64     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1296        107    1045  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         719         60      21  Jordan Data Communications, JO
  8452         626       1841      11  TE-AS TE-AS, EG
 51167         509         98     214  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 57878         381         31     187  PRAGER-IT, AT

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5333       1496     746  UNINET, MX
  3816        1320        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1085        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         746       1126      30  TELEFONICA BRASIL S.A, BR
 26599         540       2819      83  TELEFONICA BRASIL S.A, BR
 13999         490         66     213  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 22724         230         15      98  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         630        210     256  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         326         46     116  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         252         82       3  KENET-AS, KE
 36992         199        259     167  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         149        150      88  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 24757         137         36      51  EthioNet-AS, ET

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9893      11370    3565  AMAZON-02, US
  9808        9652       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5333       1496     746  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2792       3441    1320  DNIC-ASBLK-00306-00371, US
 11776        1862        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1820        117    1257  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9652         9591  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5333         4587  UNINET, MX
 11776        1862         1642  ATLANTICBB-JOHNSTOWN, US
   367        2792         1472  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1320         1125  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:93      
/13:124     /14:359     /15:697     /16:5953    /17:2480    /18:2568    
/19:5448    /20:8744    /21:10795   /22:19859   /23:20790   /24:113404  
/25:72      /26:49      /27:65      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2883        5333  UNINET, MX
 16509        2120        9893  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1862  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         743         884  BRSPD-PUBLIC, US
  6147         681        1085  Telefonica del Peru S.A.A., PE
  8376         564         719  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:11        2:380       3:342       5:1111      6:150       7:5      
   8:630      11:171      12:658      13:301      14:121      15:283    
  16:175      17:6        18:738      20:33       21:4        22:188    
  23:1890     24:737      25:2        27:47       29:19       31:216    
  32:1        34:11       35:57       36:1175     37:463      38:883    
  39:524      40:11       41:727      42:13       43:195      44:34     
  45:2433     46:637      47:98       49:9        50:280      51:476    
  52:1363     54:275      55:993      57:16       58:7        59:39     
  60:19       61:63       62:340      63:502      64:1543     65:822    
  66:1285     67:856      68:175      69:840      70:147      71:196    
  72:483      74:740      75:395      76:210      77:322      78:582    
  79:193      80:218      81:189      82:199      83:114      84:200    
  85:342      86:162      87:161      88:151      89:530      90:96     
  91:620      92:416      93:808      94:514      95:1114     96:374    
  97:34       98:138      99:151     100:23      101:25      102:219    
 103:1189    104:764     105:143     106:3       107:200     108:312    
 109:273     110:39      111:1788    112:464     113:46      114:33     
 115:15      116:35      117:972     118:78      119:105     120:1078   
 121:40      122:87      123:20      124:59      125:12      128:373    
 129:281     130:504     131:805     132:500     133:195     134:348    
 135:90      136:368     137:428     138:759     139:401     140:600    
 141:323     142:697     143:594     144:337     145:64      146:497    
 147:390     148:623     149:500     150:283     151:584     152:585    
 153:119     154:585     155:696     156:448     157:290     158:317    
 159:692     160:733     161:477     162:699     163:296     164:654    
 165:400     166:100     167:401     168:900     169:152     170:1241   
 171:66      172:911     173:816     174:171     175:41      176:412    
 177:701     178:328     179:501     180:55      181:1009    182:26     
 183:826     184:311     185:2488    186:785     187:761     188:642    
 189:1098    190:2717    191:228     192:3914    193:1299    194:859    
 195:576     196:463     197:403     198:2009    199:3682    200:2483   
 201:2408    202:1081    203:642     204:1796    205:1695    206:1234   
 207:1165    208:1016    209:1422    210:350     211:431     212:708    
 213:590     214:1027    215:42      216:1799    217:338     218:525    
 219:24      220:29      221:304     222:21      223:643    

End of report


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