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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Aug 21 22:41:54 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 21 Aug, 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:                              982077
    Prefixes after maximum aggregation (per Origin AS):          359036
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      452933
Total ASes present in the Internet Routing Table:                 75082
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64437
Origin ASes announcing only one prefix:                           25840
Transit ASes present in the Internet Routing Table:               10645
Transit-only ASes present in the Internet Routing Table:            464
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1263
    Number of instances of unregistered ASNs:                      1268
Number of 32-bit ASNs allocated by the RIRs:                      42488
Number of 32-bit ASNs visible in the Routing Table:               35163
Prefixes from 32-bit ASNs in the Routing Table:                  183644
Number of bogon 32-bit ASNs visible in the Routing Table:           203
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            666
Number of addresses announced to Internet:                   3058644650
    Equivalent to 182 /8s, 79 /16s and 54 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      337632

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

Prefixes being announced by APNIC Region ASes:                   256117
    Total APNIC prefixes after maximum aggregation:               71254
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          249561
    Unique aggregates announced from the APNIC address blocks:    98842
APNIC Region origin ASes present in the Internet Routing Table:   13694
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4005
APNIC Region transit ASes present in the Internet Routing Table:   1837
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8992
Number of APNIC addresses announced to Internet:              774492768
    Equivalent to 46 /8s, 41 /16s and 210 /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:                    281986
    Total ARIN prefixes after maximum aggregation:               125645
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           283608
    Unique aggregates announced from the ARIN address blocks:    131146
ARIN Region origin ASes present in the Internet Routing Table:    19152
    ARIN Prefixes per ASN:                                        14.81
ARIN Region origin ASes announcing only one prefix:                6955
ARIN Region transit ASes present in the Internet Routing Table:    1938
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4838
Number of ARIN addresses announced to Internet:              1278964544
    Equivalent to 76 /8s, 59 /16s and 115 /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:                    280218
    Total RIPE prefixes after maximum aggregation:               126651
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           276062
    Unique aggregates announced from the RIPE address blocks:    160303
RIPE Region origin ASes present in the Internet Routing Table:    28528
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12013
RIPE Region transit ASes present in the Internet Routing Table:    3961
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:   11359
Number of RIPE addresses announced to Internet:               717256926
    Equivalent to 42 /8s, 192 /16s and 120 /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:                  128240
    Total LACNIC prefixes after maximum aggregation:              28717
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         127622
    Unique aggregates announced from the LACNIC address blocks:   49677
LACNIC Region origin ASes present in the Internet Routing Table:  11033
    LACNIC Prefixes per ASN:                                      11.57
LACNIC Region origin ASes announcing only one prefix:              2284
LACNIC Region transit ASes present in the Internet Routing Table:  2366
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8842
Number of LACNIC addresses announced to Internet:             178712608
    Equivalent to 10 /8s, 166 /16s and 240 /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:                  34253
    Total AfriNIC prefixes after maximum aggregation:              5985
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:         44557
    Unique aggregates announced from the AfriNIC address blocks:  12395
AfriNIC Region origin ASes present in the Internet Routing Table:  1793
    AfriNIC Prefixes per ASN:                                     24.85
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1132
Number of AfriNIC addresses announced to Internet:            108789248
    Equivalent to 6 /8s, 123 /16s and 254 /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        9545       8707      43  CHINAMOBILE-CN China Mobile Communicati
  7545        5718        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4048       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3733       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3091        498     251  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2493        846     405  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        8911      10978    3204  AMAZON-02, US
 11492        4528        300     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
 22773        3698       3079     324  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3629       6655     617  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3162       1531    2351  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3002       3833    1425  DNIC-ASBLK-00306-00371, US
396982        2688       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        8286       1142    3285  TTNET, TR
 12479        7354       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4165       3399     188  AKAMAI-ASN1, NL
  8551        3469        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3008       2297     928  ROSTELECOM-AS, RU
  9009        2708        250    1403  M247, RO
  5384        2507        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2458       1852      16  TE-AS TE-AS, EG
 34984        2371        365     592  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       11714       3360     611  UNINET, MX
 10620        3536        507     833  Telmex Colombia S.A., CO
 13999        2439        365     644  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1316       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1116         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1114        181     435  Techtel LMDS Comunicaciones Interactiva

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        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1359       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         537         55      49  WANANCHI-, KE
 36914         532         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       11714       3360     611  UNINET, MX
  9808        9545       8707      43  CHINAMOBILE-CN China Mobile Communicati
 16509        8911      10978    3204  AMAZON-02, US
 47331        8286       1142    3285  TTNET, TR
 12479        7354       1713     145  UNI2-AS, ES
  7545        5718        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4528        300     625  CABLEONE, US
 18403        4351        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        9545         9502  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7354         7209  UNI2-AS, ES
 16509        8911         5707  AMAZON-02, US
  7545        5718         5029  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8286         5001  TTNET, TR
  4538        4991         4915  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 45899        4048         3995  VNPT-AS-VN VNPT Corp, VN

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
     64512  PRIVATE      8.10.33.0/24             14127  ILAND, 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            46887  LIGHTOWER, 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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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     /14:1211    /15:2154    /16:13713   /17:8573    /18:14801   
/19:25824   /20:46079   /21:54744   /22:114585  /23:107555  /24:588774  
/25:495     /26:617     /27:1037    /28:76      /29:101     /30:28      
/31:24      /32:637     

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

   ASN  No of nets  Total ann.  Description
 47331        7415        8286  TTNET, TR
 12479        6439        7354  UNI2-AS, ES
  8151        5718       11714  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3437        4528  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2936        3469  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2729        3698  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2162        2506  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      2:1527      3:230       4:8         5:4807      6:138    
   7:6         8:1627      9:1        11:172      12:1517     13:382    
  14:2399     15:302      16:198      17:380      18:605      20:302    
  21:4        22:188      23:6506     24:3046     25:6        27:2644   
  29:19       31:2681     32:97       34:26       35:120      36:2005   
  37:4746     38:6278     39:869      40:148      41:4871     42:2105   
  43:2430     44:328      45:17562    46:4543     47:393      49:1816   
  50:1903     51:595      52:1633     54:392      55:979      56:8      
  57:131      58:1970     59:1194     60:1003     61:2694     62:2846   
  63:1958     64:5783     65:2400     66:5142     67:3085     68:1348   
  69:4141     70:1413     71:699      72:3073     74:2688     75:1616   
  76:622      77:2600     78:3897     79:3025     80:2185     81:2061   
  82:1584     83:1355     84:1560     85:3822     86:871      87:2266   
  88:2849     89:3928     90:621      91:8021     92:2167     93:2644   
  94:3731     95:5091     96:1343     97:324      98:1130     99:736    
 100:123     101:1362    102:3387    103:32762   104:4635    105:2008   
 106:961     107:2615    108:1144    109:4353    110:2187    111:3181   
 112:2142    113:1812    114:1670    115:2128    116:1956    117:2594   
 118:2754    119:2088    120:1844    121:1194    122:2747    123:2236   
 124:1654    125:2551    128:1553    129:1124    130:1091    131:2080   
 132:964     133:420     134:1800    135:354     136:921     137:992    
 138:2853    139:1627    140:1270    141:1322    142:1504    143:1596   
 144:1020    145:343     146:2006    147:1632    148:2486    149:2211   
 150:914     151:1230    152:2005    153:586     154:5094    155:1408   
 156:1982    157:1358    158:1094    159:2247    160:2720    161:1617   
 162:3572    163:1661    164:1771    165:1918    166:1054    167:1758   
 168:4078    169:960     170:4890    171:925     172:3693    173:3014   
 174:1005    175:1232    176:3954    177:5566    178:3588    179:2465   
 180:2608    181:3569    182:3447    183:2034    184:2332    185:20949  
 186:5068    187:4588    188:4354    189:4052    190:9477    191:1872   
 192:11050   193:9042    194:7554    195:5467    196:3702    197:3108   
 198:6089    199:6129    200:8209    201:6252    202:11043   203:10604  
 204:4617    205:3727    206:4410    207:3543    208:4212    209:5016   
 210:4720    211:2617    212:4391    213:3730    214:1097    215:60     
 216:6910    217:3039    218:1327    219:619     220:2046    221:981    
 222:853     223:2196   

End of report


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