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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Sep 5 22:41:54 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 05 Sep, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              988892
    Prefixes after maximum aggregation (per Origin AS):          360396
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      454158
Total ASes present in the Internet Routing Table:                 75225
    Prefixes per ASN:                                             13.15
Origin-only ASes present in the Internet Routing Table:           64802
Origin ASes announcing only one prefix:                           25838
Transit ASes present in the Internet Routing Table:               10423
Transit-only ASes present in the Internet Routing Table:            439
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1284
    Number of instances of unregistered ASNs:                      1286
Number of 32-bit ASNs allocated by the RIRs:                      42574
Number of 32-bit ASNs visible in the Routing Table:               35286
Prefixes from 32-bit ASNs in the Routing Table:                  185223
Number of bogon 32-bit ASNs visible in the Routing Table:           199
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            709
Number of addresses announced to Internet:                   3063319690
    Equivalent to 182 /8s, 150 /16s and 140 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      339775

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

Prefixes being announced by APNIC Region ASes:                   258061
    Total APNIC prefixes after maximum aggregation:               71753
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          251532
    Unique aggregates announced from the APNIC address blocks:    99050
APNIC Region origin ASes present in the Internet Routing Table:   13748
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4018
APNIC Region transit ASes present in the Internet Routing Table:   1833
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9033
Number of APNIC addresses announced to Internet:              775142976
    Equivalent to 46 /8s, 51 /16s and 190 /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:                    284054
    Total ARIN prefixes after maximum aggregation:               126094
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285735
    Unique aggregates announced from the ARIN address blocks:    131884
ARIN Region origin ASes present in the Internet Routing Table:    19191
    ARIN Prefixes per ASN:                                        14.89
ARIN Region origin ASes announcing only one prefix:                6964
ARIN Region transit ASes present in the Internet Routing Table:    1858
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4850
Number of ARIN addresses announced to Internet:              1281933888
    Equivalent to 76 /8s, 104 /16s and 194 /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:                    281935
    Total RIPE prefixes after maximum aggregation:               127078
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277579
    Unique aggregates announced from the RIPE address blocks:    160789
RIPE Region origin ASes present in the Internet Routing Table:    28565
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12012
RIPE Region transit ASes present in the Internet Routing Table:    3882
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11398
Number of RIPE addresses announced to Internet:               717987038
    Equivalent to 42 /8s, 203 /16s and 156 /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:                  129116
    Total LACNIC prefixes after maximum aggregation:              28714
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128458
    Unique aggregates announced from the LACNIC address blocks:   49270
LACNIC Region origin ASes present in the Internet Routing Table:  11052
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2259
LACNIC Region transit ASes present in the Internet Routing Table:  2346
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8860
Number of LACNIC addresses announced to Internet:             178820128
    Equivalent to 10 /8s, 168 /16s and 148 /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:                  34442
    Total AfriNIC prefixes after maximum aggregation:              5967
    AfriNIC Deaggregation factor:                                  5.77
Prefixes being announced from the AfriNIC address blocks:         44878
    Unique aggregates announced from the AfriNIC address blocks:  12555
AfriNIC Region origin ASes present in the Internet Routing Table:  1804
    AfriNIC Prefixes per ASN:                                     24.88
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145
Number of AfriNIC addresses announced to Internet:            108889088
    Equivalent to 6 /8s, 125 /16s and 132 /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        9688       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5746        785     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4347        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4047       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3744       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3154        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2506        848     388  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9165      11008    3194  AMAZON-02, US
 11492        4532        301     626  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3874       6656     620  COGENT-174, US
 22773        3697       3064     326  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3177       1539    2355  AKAMAI-AS, US
   749        3167      54961    2402  DNIC-AS-00749, US
   367        3016       3840    1429  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8437       1159    3122  TTNET, TR
 12479        7375       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4188       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3010       2298     926  ROSTELECOM-AS, RU
  9009        2721        250    1398  M247, RO
  8452        2471       1852      16  TE-AS TE-AS, EG
  5384        2462        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2379        366     586  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11847       3366     601  UNINET, MX
 10620        3546        507     834  Telmex Colombia S.A., CO
 13999        2459        365     641  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1317       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1126        182     431  Techtel LMDS Comunicaciones Interactiva
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1098         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1894        319      45  Telkom-Internet, ZA
 24863        1595        393      19  LINKdotNET-AS, EG
 24835        1523        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         937        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         538         55      51  WANANCHI-, KE
 36914         522         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11847       3366     601  UNINET, MX
  9808        9688       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9165      11008    3194  AMAZON-02, US
 47331        8437       1159    3122  TTNET, TR
 12479        7375       1713     145  UNI2-AS, ES
  7545        5746        785     690  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     626  CABLEONE, US
 18403        4347        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9688         9589  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7375         7230  UNI2-AS, ES
 16509        9165         5971  AMAZON-02, US
 47331        8437         5315  TTNET, TR
  7545        5746         5056  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034         4959  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4347         4322  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4188         4003  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.0.232.0/24        Origin:    133752  LEASEWEB-APAC-HKG-10 Leaseweb Asia Pacif
27.0.232.0/24       Transit:      3257  GTT-BACKBONE GTT, US
27.0.234.0/24        Origin:    149020  WEBHORIZON-AS-AP WebHorizon Internet Ser
27.0.234.0/24       Transit:    136557  HOST-AS-AP Host Universal Pty Ltd, AU

Complete listing at https://bgp.nsrc.org/REN/OIX/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        /8:16       /9:14      /10:39      /11:102     /12:300     
/13:579     /14:1213    /15:2158    /16:13735   /17:8605    /18:14835   
/19:25933   /20:46281   /21:55188   /22:115355  /23:108499  /24:593007  
/25:484     /26:621     /27:1036    /28:79      /29:101     /30:26      
/31:22      /32:663     

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

   ASN  No of nets  Total ann.  Description
 47331        7560        8437  TTNET, TR
 12479        6461        7375  UNI2-AS, ES
  8151        5835       11847  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3441        4532  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2728        3697  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2169        2513  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2286      2:1565      3:262       4:8         5:4805      6:139    
   7:6         8:1634      9:1        11:172      12:1522     13:386    
  14:2418     15:303      16:198      17:380      18:640      20:304    
  21:4        22:188      23:6516     24:3059     25:6        27:2662   
  29:19       31:2693     32:98       34:26       35:120      36:2016   
  37:4751     38:6363     39:877      40:148      41:4871     42:2124   
  43:2488     44:331      45:17741    46:4537     47:395      49:1821   
  50:1923     51:597      52:1634     54:398      55:979      56:8      
  57:132      58:1977     59:1209     60:1008     61:2729     62:2859   
  63:1971     64:5816     65:2406     66:5161     67:3113     68:1366   
  69:4202     70:1413     71:702      72:3086     74:2693     75:1617   
  76:625      77:2600     78:3985     79:3040     80:2194     81:2096   
  82:1588     83:1356     84:1566     85:3842     86:876      87:2287   
  88:2862     89:3976     90:623      91:8041     92:2177     93:2680   
  94:3755     95:5098     96:1345     97:329      98:1135     99:736    
 100:123     101:1369    102:3420    103:32997   104:4679    105:2018   
 106:962     107:2689    108:1159    109:4367    110:2205    111:3189   
 112:2151    113:1821    114:1680    115:2164    116:1966    117:2605   
 118:2767    119:2098    120:1880    121:1208    122:2765    123:2263   
 124:1669    125:2611    128:1574    129:1146    130:1098    131:2094   
 132:959     133:408     134:1803    135:355     136:927     137:996    
 138:2855    139:1697    140:1297    141:1351    142:1519    143:1585   
 144:1021    145:349     146:2019    147:1637    148:2500    149:2346   
 150:918     151:1256    152:2010    153:595     154:5267    155:1430   
 156:2010    157:1366    158:1098    159:2253    160:2720    161:1629   
 162:3587    163:1668    164:1781    165:1944    166:1074    167:1759   
 168:4089    169:962     170:4958    171:937     172:3742    173:3022   
 174:1006    175:1266    176:3981    177:5592    178:3608    179:2473   
 180:2632    181:3620    182:3456    183:2050    184:2337    185:21072  
 186:5113    187:4615    188:4369    189:4129    190:9539    191:1838   
 192:11106   193:9082    194:7589    195:5514    196:3708    197:3098   
 198:6098    199:6175    200:8275    201:6309    202:11090   203:10647  
 204:4644    205:3761    206:4450    207:3563    208:4277    209:5037   
 210:4734    211:2641    212:4418    213:3765    214:1102    215:60     
 216:6947    217:3049    218:1329    219:617     220:2047    221:988    
 222:863     223:2198   

End of report


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