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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 22 20:16:28 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 22 Mar, 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:                              183558
    Prefixes after maximum aggregation (per Origin AS):           80050
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100362
    Number of IPv4 prefixes with a valid ROA:                     70189
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         113350
Total ASes present in the Internet Routing Table:                 15513
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           13415
Origin ASes announcing only one prefix:                            6096
Transit ASes present in the Internet Routing Table:                2098
Transit-only ASes present in the Internet Routing Table:            570
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 28683)                              24
Prefixes from unregistered ASNs in the Routing Table:               227
    Number of instances of unregistered ASNs:                       227
Number of 32-bit ASNs allocated by the RIRs:                      43889
Number of 32-bit ASNs visible in the Routing Table:                5618
Prefixes from 32-bit ASNs in the Routing Table:                   18659
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:            101
Number of addresses announced to Internet:                   1027226809
    Equivalent to 61 /8s, 58 /16s and 60 /24s
    Percentage of available address space announced:               27.7
    Percentage of allocated address space announced:               27.7
    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:       53627

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

Prefixes being announced by APNIC Region ASes:                    28768
    Total APNIC prefixes after maximum aggregation:                6514
    APNIC Deaggregation factor:                                    4.42
Prefixes being announced from the APNIC address blocks:           28437
    Unique aggregates announced from the APNIC address blocks:     7530
APNIC Region origin ASes present in the Internet Routing Table:    1091
    APNIC Prefixes per ASN:                                       26.07
APNIC Region origin ASes announcing only one prefix:                432
APNIC Region transit ASes present in the Internet Routing Table:    176
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    469
Number of APNIC addresses announced to Internet:              157641608
    Equivalent to 9 /8s, 101 /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:                     82521
    Total ARIN prefixes after maximum aggregation:                44807
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81429
    Unique aggregates announced from the ARIN address blocks:     50596
ARIN Region origin ASes present in the Internet Routing Table:     7182
    ARIN Prefixes per ASN:                                        11.34
ARIN Region origin ASes announcing only one prefix:                3064
ARIN Region transit ASes present in the Internet Routing Table:     645
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:    1463
Number of ARIN addresses announced to Internet:               605483617
    Equivalent to 36 /8s, 22 /16s and 242 /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:                     35243
    Total RIPE prefixes after maximum aggregation:                16669
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:            35706
    Unique aggregates announced from the RIPE address blocks:     23513
RIPE Region origin ASes present in the Internet Routing Table:     3275
    RIPE Prefixes per ASN:                                        10.90
RIPE Region origin ASes announcing only one prefix:                1394
RIPE Region transit ASes present in the Internet Routing Table:     508
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:    1214
Number of RIPE addresses announced to Internet:               157925584
    Equivalent to 9 /8s, 105 /16s and 192 /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:                   32058
    Total LACNIC prefixes after maximum aggregation:              10063
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          31791
    Unique aggregates announced from the LACNIC address blocks:   15710
LACNIC Region origin ASes present in the Internet Routing Table:   3047
    LACNIC Prefixes per ASN:                                      10.43
LACNIC Region origin ASes announcing only one prefix:              1104
LACNIC Region transit ASes present in the Internet Routing Table:   610
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:  2338
Number of LACNIC addresses announced to Internet:              74012672
    Equivalent to 4 /8s, 105 /16s and 88 /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:                   4741
    Total AfriNIC prefixes after maximum aggregation:              1812
    AfriNIC Deaggregation factor:                                  2.62
Prefixes being announced from the AfriNIC address blocks:          6094
    Unique aggregates announced from the AfriNIC address blocks:   2920
AfriNIC Region origin ASes present in the Internet Routing Table:   250
    AfriNIC Prefixes per ASN:                                     24.38
AfriNIC Region origin ASes announcing only one prefix:              102
AfriNIC Region transit ASes present in the Internet Routing Table:   65
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  134
Number of AfriNIC addresses announced to Internet:             32107264
    Equivalent to 1 /8s, 233 /16s and 235 /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        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
 56047        1479        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1471        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1443        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         435        488     107  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        9724      11353    3406  AMAZON-02, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2921       3631    1387  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1697       4898     316  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1548        100    1154  USDA-1, US
  5972        1421        396     641  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         950        255      82  CANET-ASN-4, CA
 16625         856        399     788  AKAMAI-AS, US

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        1298        110    1060  AKAMAI-ASN1, NL
  3215         901       4830     297  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      22  Jordan Data Communications, JO
 58224         558        244     384  TCI, IR
  8452         542       1841      11  TE-AS TE-AS, EG
 51167         438         81     185  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 35819         386        378      73  MOBILY-AS Etihad Etisalat Company Mobil

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        5392       1555     863  UNINET, MX
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         995       1120      28  TELEFONICA BRASIL S.A, BR
 11664         589        108     229  Techtel LMDS Comunicaciones Interactiva
 26599         569       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         485         66     208  Mega Cable, S.A. de C.V., MX
 28343         321         63     100  UNIFIQUE TELECOMUNICACOES SA, BR

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         646        238     192  LINKdotNET-AS, EG
 36992         439        644     278  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         207         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         164         28       3  RENU, UG
 37282         163         26       6  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37054         155         12      91  Telecom-Malagasy, MG

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        9724      11353    3406  AMAZON-02, US
  9808        9667       8741      60  CHINAMOBILE-CN China Mobile Communicati
  8151        5392       1555     863  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2921       3631    1387  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1697       4898     316  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1548        100    1154  USDA-1, US
 56047        1479        188      34  CMNET-HUNAN-AP China Mobile communicati

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        9667         9607  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5392         4529  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2921         1534  DNIC-ASBLK-00306-00371, US
 56047        1479         1445  CMNET-HUNAN-AP China Mobile communications corp
   209        1697         1381  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1443         1370  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1471         1361  CMNET-JIANGSU-AP China Mobile communications co
  3816        1313         1119  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
     13342  UNALLOCATED  12.17.5.0/24              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
     32282  UNALLOCATED  12.162.235.0/24           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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM

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       /9:4       /10:14      /11:25      /12:74      
/13:116     /14:336     /15:673     /16:5282    /17:2518    /18:2609    
/19:5347    /20:8656    /21:10841   /22:19727   /23:20284   /24:106802  
/25:69      /26:40      /27:71      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2955        5392  UNINET, MX
 16509        2050        9724  AMAZON-02, US
   209         958        1697  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1857  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         692         831  BRSPD-PUBLIC, US
  6147         687        1089  Telefonica del Peru S.A.A., PE
  8376         562         722  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:8         2:384       3:285       5:1068      6:148       7:5      
   8:624      11:171      12:257      13:320      14:100      15:281    
  16:174      17:6        18:699      20:33       21:4        22:188    
  23:1799     24:402      25:2        27:17       29:19       31:162    
  32:1        34:5        35:53       36:1139     37:513      38:830    
  39:523      40:8        41:566      42:22       43:187      44:28     
  45:2293     46:577      47:100      49:11       50:249      51:470    
  52:1347     54:270      55:972      57:16       58:4        59:30     
  60:19       61:63       62:338      63:465      64:1437     65:794    
  66:1226     67:676      68:164      69:719      70:147      71:188    
  72:370      74:727      75:391      76:208      77:277      78:492    
  79:161      80:198      81:188      82:174      83:128      84:187    
  85:320      86:146      87:140      88:122      89:458      90:98     
  91:510      92:397      93:788      94:500      95:1078     96:165    
  97:31       98:125      99:146     100:22      101:24      102:308    
 103:1057    104:687     105:29      106:3       107:219     108:297    
 109:234     110:24      111:1753    112:447     113:40      114:32     
 115:11      116:31      117:946     118:51      119:96      120:1093   
 121:31      122:80      123:20      124:57      125:11      128:356    
 129:320     130:472     131:770     132:498     133:264     134:332    
 135:66      136:374     137:452     138:715     139:397     140:576    
 141:322     142:696     143:574     144:319     145:59      146:453    
 147:321     148:610     149:510     150:286     151:488     152:362    
 153:117     154:536     155:655     156:365     157:232     158:320    
 159:527     160:317     161:414     162:694     163:289     164:621    
 165:368     166:102     167:381     168:978     169:153     170:1247   
 171:62      172:894     173:619     174:104     175:46      176:400    
 177:707     178:332     179:514     180:43      181:994     182:20     
 183:855     184:201     185:2223    186:989     187:765     188:493    
 189:1107    190:2913    191:184     192:3683    193:1206    194:789    
 195:558     196:469     197:436     198:1905    199:3349    200:2679   
 201:2573    202:944     203:583     204:1766    205:1663    206:1143   
 207:1059    208:967     209:1429    210:306     211:423     212:677    
 213:523     214:1043    215:43      216:1687    217:283     218:515    
 219:19      220:30      221:300     222:17      223:628    

End of report


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