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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 28 20:16:42 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 28 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:                              192767
    Prefixes after maximum aggregation (per Origin AS):           85140
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      106268
    Number of IPv4 prefixes with a valid ROA:                     76791
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115957
Total ASes present in the Internet Routing Table:                 16222
    Prefixes per ASN:                                             11.88
Origin-only ASes present in the Internet Routing Table:           13995
Origin ASes announcing only one prefix:                            6450
Transit ASes present in the Internet Routing Table:                2227
Transit-only ASes present in the Internet Routing Table:            603
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 ( 28683)                              23
Prefixes from unregistered ASNs in the Routing Table:               244
    Number of instances of unregistered ASNs:                       244
Number of 32-bit ASNs allocated by the RIRs:                      44593
Number of 32-bit ASNs visible in the Routing Table:                5865
Prefixes from 32-bit ASNs in the Routing Table:                   20207
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:             97
Number of addresses announced to Internet:                   1124549277
    Equivalent to 67 /8s, 7 /16s and 66 /24s
    Percentage of available address space announced:               30.4
    Percentage of allocated address space announced:               30.4
    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:       56930

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

Prefixes being announced by APNIC Region ASes:                    30506
    Total APNIC prefixes after maximum aggregation:                7275
    APNIC Deaggregation factor:                                    4.19
Prefixes being announced from the APNIC address blocks:           30039
    Unique aggregates announced from the APNIC address blocks:     8267
APNIC Region origin ASes present in the Internet Routing Table:    1196
    APNIC Prefixes per ASN:                                       25.12
APNIC Region origin ASes announcing only one prefix:                492
APNIC Region transit ASes present in the Internet Routing Table:    204
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:    531
Number of APNIC addresses announced to Internet:              201709420
    Equivalent to 12 /8s, 5 /16s and 215 /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:                     88757
    Total ARIN prefixes after maximum aggregation:                48440
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87477
    Unique aggregates announced from the ARIN address blocks:     54443
ARIN Region origin ASes present in the Internet Routing Table:     7479
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3240
ARIN Region transit ASes present in the Internet Routing Table:     682
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:    1550
Number of ARIN addresses announced to Internet:               655865697
    Equivalent to 39 /8s, 23 /16s and 183 /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:                     37418
    Total RIPE prefixes after maximum aggregation:                17786
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:            38143
    Unique aggregates announced from the RIPE address blocks:     25729
RIPE Region origin ASes present in the Internet Routing Table:     3582
    RIPE Prefixes per ASN:                                        10.65
RIPE Region origin ASes announcing only one prefix:                1545
RIPE Region transit ASes present in the Internet Routing Table:     551
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1331
Number of RIPE addresses announced to Internet:               163569360
    Equivalent to 9 /8s, 191 /16s and 222 /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:                   30747
    Total LACNIC prefixes after maximum aggregation:               9611
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          30430
    Unique aggregates announced from the LACNIC address blocks:   14771
LACNIC Region origin ASes present in the Internet Routing Table:   3030
    LACNIC Prefixes per ASN:                                      10.04
LACNIC Region origin ASes announcing only one prefix:              1076
LACNIC Region transit ASes present in the Internet Routing Table:   606
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:  2327
Number of LACNIC addresses announced to Internet:              73244416
    Equivalent to 4 /8s, 93 /16s and 159 /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:                   5095
    Total AfriNIC prefixes after maximum aggregation:              1852
    AfriNIC Deaggregation factor:                                  2.75
Prefixes being announced from the AfriNIC address blocks:          6581
    Unique aggregates announced from the AfriNIC address blocks:   2964
AfriNIC Region origin ASes present in the Internet Routing Table:   237
    AfriNIC Prefixes per ASN:                                     27.77
AfriNIC Region origin ASes announcing only one prefix:               97
AfriNIC Region transit ASes present in the Internet Routing Table:   73
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  126
Number of AfriNIC addresses announced to Internet:             30110208
    Equivalent to 1 /8s, 203 /16s and 114 /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        9651       8742      63  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        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         720      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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        9961      11385    3510  AMAZON-02, US
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2778       3402    1299  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1830        117    1253  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1599        105     891  CABLEONE, US
  5972        1341        387     608  DNIC-ASBLK-05800-06055, US
  7979         990         64     201  SERVERS-COM, US
   855         955        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        1299        106    1051  AKAMAI-ASN1, NL
  3215         898       4830     291  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         704         60      23  Jordan Data Communications, JO
  8452         621       1841      10  TE-AS TE-AS, EG
 51167         523        100     222  CONTABO, DE
 35819         429        425      71  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
212238         390         29     344  CDNEXT, GB

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        5579       1585     750  UNINET, MX
  3816        1323        784     191  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         755       1126      30  TELEFONICA BRASIL S.A, BR
 26599         549       2827      83  TELEFONICA BRASIL S.A, BR
 13999         494         68     215  Mega Cable, S.A. de C.V., MX
 10620         381         47     316  Telmex Colombia S.A., CO
 27983         237         23     127  Red Intercable Digital S.A., AR
 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         648        209     262  LINKdotNET-AS, EG
 24835         385        364      28  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36935         317        518      27  Vodafone-, EG
 29571         305         44     120  ORANGE-COTE-IVOIRE, CI
 36914         255         82       3  KENET-AS, KE
 36992         183        231     158  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 37693         148        597      51  TUNISIANA, TN
 24757         139         37      52  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        9961      11385    3510  AMAZON-02, US
  9808        9651       8742      63  CHINAMOBILE-CN China Mobile Communicati
  8151        5579       1585     750  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3223      54904    2475  DNIC-AS-00749, US
   367        2778       3402    1299  DNIC-ASBLK-00306-00371, US
 11776        1861        256     225  ATLANTICBB-JOHNSTOWN, US
  4155        1830        117    1253  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1599        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        9651         9588  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5579         4829  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1861         1636  ATLANTICBB-JOHNSTOWN, US
   367        2778         1479  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1449         1376  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1323         1132  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
     13342  UNALLOCATED  12.164.235.0/24           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
41.57.124.0/24       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
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US

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      /11:31      /12:93      
/13:125     /14:360     /15:702     /16:5975    /17:2486    /18:2605    
/19:5508    /20:8797    /21:10965   /22:20078   /23:20851   /24:113920  
/25:73      /26:48      /27:66      /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        2970        5579  UNINET, MX
 16509        2120        9961  AMAZON-02, US
 11492        1209        1599  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1861  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         749         890  BRSPD-PUBLIC, US
  6147         682        1085  Telefonica del Peru S.A.A., PE
  8376         549         704  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        2:384       3:341       5:1123      6:148       7:5      
   8:632      11:171      12:664      13:306      14:120      15:283    
  16:175      17:6        18:739      20:33       21:4        22:188    
  23:1891     24:740      25:2        27:49       29:19       31:205    
  32:1        34:10       35:58       36:1177     37:434      38:884    
  39:525      40:11       41:805      42:13       43:197      44:35     
  45:2518     46:637      47:98       49:10       50:297      51:478    
  52:1373     54:275      55:991      57:14       58:6        59:39     
  60:19       61:62       62:343      63:506      64:1504     65:827    
  66:1268     67:806      68:177      69:852      70:144      71:197    
  72:476      74:717      75:389      76:214      77:336      78:587    
  79:194      80:215      81:195      82:221      83:128      84:202    
  85:357      86:164      87:166      88:157      89:532      90:97     
  91:632      92:428      93:813      94:508      95:1120     96:372    
  97:33       98:139      99:148     100:23      101:21      102:210    
 103:1178    104:774     105:158     106:3       107:198     108:309    
 109:281     110:40      111:1789    112:464     113:46      114:33     
 115:14      116:31      117:972     118:72      119:108     120:1087   
 121:39      122:85      123:21      124:59      125:13      128:358    
 129:282     130:503     131:820     132:517     133:195     134:348    
 135:89      136:372     137:432     138:789     139:401     140:594    
 141:325     142:704     143:607     144:333     145:65      146:504    
 147:402     148:627     149:494     150:291     151:570     152:576    
 153:118     154:586     155:689     156:441     157:292     158:318    
 159:689     160:723     161:477     162:697     163:289     164:648    
 165:398     166:102     167:393     168:957     169:153     170:1262   
 171:66      172:920     173:817     174:194     175:41      176:420    
 177:762     178:350     179:524     180:54      181:1008    182:29     
 183:832     184:312     185:2500    186:816     187:870     188:636    
 189:1138    190:2752    191:242     192:3910    193:1309    194:853    
 195:593     196:463     197:433     198:1997    199:3678    200:2470   
 201:2390    202:1085    203:642     204:1768    205:1667    206:1192   
 207:1158    208:935     209:1424    210:350     211:432     212:735    
 213:586     214:1027    215:42      216:1778    217:347     218:525    
 219:23      220:29      221:303     222:20      223:645    

End of report


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