[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 12 22:42:01 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 12 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:                              991968
    Prefixes after maximum aggregation (per Origin AS):          361304
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      454796
Total ASes present in the Internet Routing Table:                 75321
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           64688
Origin ASes announcing only one prefix:                           25817
Transit ASes present in the Internet Routing Table:               10633
Transit-only ASes present in the Internet Routing Table:            460
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:              1323
    Number of instances of unregistered ASNs:                      1325
Number of 32-bit ASNs allocated by the RIRs:                      42593
Number of 32-bit ASNs visible in the Routing Table:               35348
Prefixes from 32-bit ASNs in the Routing Table:                  186268
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:            752
Number of addresses announced to Internet:                   3062937482
    Equivalent to 182 /8s, 144 /16s and 183 /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:      340845

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

Prefixes being announced by APNIC Region ASes:                   258568
    Total APNIC prefixes after maximum aggregation:               72028
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          251994
    Unique aggregates announced from the APNIC address blocks:    99051
APNIC Region origin ASes present in the Internet Routing Table:   13772
    APNIC Prefixes per ASN:                                       18.30
APNIC Region origin ASes announcing only one prefix:               4028
APNIC Region transit ASes present in the Internet Routing Table:   1834
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9053
Number of APNIC addresses announced to Internet:              775186752
    Equivalent to 46 /8s, 52 /16s and 105 /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:                    284750
    Total ARIN prefixes after maximum aggregation:               126234
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           286784
    Unique aggregates announced from the ARIN address blocks:    131999
ARIN Region origin ASes present in the Internet Routing Table:    19187
    ARIN Prefixes per ASN:                                        14.95
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1940
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4858
Number of ARIN addresses announced to Internet:              1280697408
    Equivalent to 76 /8s, 85 /16s and 228 /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:                    283058
    Total RIPE prefixes after maximum aggregation:               127450
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278261
    Unique aggregates announced from the RIPE address blocks:    161055
RIPE Region origin ASes present in the Internet Routing Table:    28585
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12015
RIPE Region transit ASes present in the Internet Routing Table:    3935
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11414
Number of RIPE addresses announced to Internet:               719668190
    Equivalent to 42 /8s, 229 /16s and 67 /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:                  129841
    Total LACNIC prefixes after maximum aggregation:              28759
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         129130
    Unique aggregates announced from the LACNIC address blocks:   49274
LACNIC Region origin ASes present in the Internet Routing Table:  11073
    LACNIC Prefixes per ASN:                                      11.66
LACNIC Region origin ASes announcing only one prefix:              2245
LACNIC Region transit ASes present in the Internet Routing Table:  2383
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8877
Number of LACNIC addresses announced to Internet:             178861600
    Equivalent to 10 /8s, 169 /16s and 54 /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:                  34428
    Total AfriNIC prefixes after maximum aggregation:              6017
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         45046
    Unique aggregates announced from the AfriNIC address blocks:  12768
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.96
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  337
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1146
Number of AfriNIC addresses announced to Internet:            107957248
    Equivalent to 6 /8s, 111 /16s and 76 /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        9698       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5750        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5009       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4357        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3751       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3153        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2512        849     386  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      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        9178      11011    3187  AMAZON-02, US
 11492        4533        301     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
   174        3814       6656     617  COGENT-174, US
 22773        3700       3064     325  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3200       1549    2367  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3026       3841    1427  DNIC-ASBLK-00306-00371, US
396982        2693       3596     389  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        8521       1166    3051  TTNET, TR
 12479        7400       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4195       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2995       2296     919  ROSTELECOM-AS, RU
  9009        2764        256    1406  M247, RO
  8452        2498       1852      16  TE-AS TE-AS, EG
  5384        2464        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2380        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       11917       3370     606  UNINET, MX
 10620        3547        507     835  Telmex Colombia S.A., CO
 13999        2465        365     638  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1325       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        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1112         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        1617        393      19  LINKdotNET-AS, EG
 24835        1548        533      27  RAYA-AS, EG
 36992        1362       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         952        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         533         82       3  KENET-AS, KE
 15399         529         54      48  WANANCHI-, 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       11917       3370     606  UNINET, MX
  9808        9698       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9178      11011    3187  AMAZON-02, US
 47331        8521       1166    3051  TTNET, TR
 12479        7400       1713     145  UNI2-AS, ES
  7545        5750        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5009       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     625  CABLEONE, US
 18403        4357        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        9698         9599  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7400         7255  UNI2-AS, ES
 16509        9178         5991  AMAZON-02, US
 47331        8521         5470  TTNET, TR
  7545        5750         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5009         4934  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4357         4332  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 20940        4195         4010  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              3356  LEVEL3, 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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.178.240.0/24      Origin:    399517  RESERVED, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

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     /12:299     
/13:578     /14:1213    /15:2158    /16:13755   /17:8607    /18:14843   
/19:25952   /20:46306   /21:55272   /22:115690  /23:108869  /24:595251  
/25:484     /26:619     /27:1036    /28:78      /29:102     /30:26      
/31:22      /32:636     

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

   ASN  No of nets  Total ann.  Description
 47331        7642        8521  TTNET, TR
 12479        6486        7400  UNI2-AS, ES
  8151        5889       11917  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3442        4533  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2732        3700  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2170        2514  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2289      2:1586      3:260       4:8         5:4763      6:139    
   7:6         8:1634      9:1        11:172      12:1530     13:386    
  14:2422     15:304      16:198      17:384      18:642      20:306    
  21:4        22:188      23:6541     24:3060     25:6        27:2667   
  29:19       31:2693     32:98       34:26       35:120      36:2018   
  37:4763     38:6409     39:878      40:147      41:4890     42:2125   
  43:2490     44:331      45:17868    46:4540     47:395      49:1848   
  50:1931     51:598      52:1635     54:399      55:981      56:8      
  57:133      58:1984     59:1208     60:1010     61:2731     62:2862   
  63:1974     64:5892     65:2419     66:5179     67:3122     68:1367   
  69:4227     70:1414     71:702      72:3089     74:2702     75:1618   
  76:625      77:2600     78:4021     79:3045     80:2197     81:2112   
  82:1598     83:1364     84:1587     85:3931     86:877      87:2286   
  88:2884     89:3983     90:624      91:8061     92:2181     93:2686   
  94:3768     95:5120     96:1347     97:326      98:1139     99:736    
 100:123     101:1369    102:3416    103:33092   104:4692    105:2015   
 106:971     107:2721    108:1163    109:4366    110:2203    111:3193   
 112:2151    113:1825    114:1690    115:2163    116:1974    117:2633   
 118:2774    119:2092    120:1880    121:1238    122:2777    123:2267   
 124:1669    125:2610    128:1588    129:1148    130:1099    131:2099   
 132:971     133:408     134:1803    135:355     136:928     137:995    
 138:2867    139:1698    140:1307    141:1344    142:1544    143:1604   
 144:1030    145:349     146:2022    147:1633    148:2505    149:2351   
 150:918     151:1254    152:2006    153:595     154:5533    155:1435   
 156:2013    157:1369    158:1098    159:2269    160:2725    161:1631   
 162:3607    163:1674    164:1780    165:1947    166:1099    167:1762   
 168:4097    169:959     170:4994    171:957     172:3765    173:3025   
 174:1006    175:1268    176:3988    177:5621    178:3614    179:2499   
 180:2664    181:3654    182:3466    183:2050    184:2335    185:21109  
 186:5147    187:4633    188:4382    189:4172    190:9560    191:1940   
 192:11130   193:9102    194:7624    195:5529    196:3679    197:3049   
 198:6103    199:6202    200:8332    201:6315    202:11097   203:10643  
 204:4652    205:3799    206:4473    207:3570    208:4289    209:5047   
 210:4745    211:2640    212:4431    213:3776    214:1103    215:60     
 216:6975    217:3052    218:1333    219:619     220:2047    221:996    
 222:868     223:2199   

End of report


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